Questions tagged [seasons]

Questions about periodic variations in weather patterns, often but not necessarily referring to patterns recurring approximately on the scale of a sidereal year. Compare [climate] and [weather].

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Would scaling up the Tiwi islands for a setting maintain its bizarre weather patterns?

The Tiwi islands are 2 big islands off the coast of Northern Australia known for an event the locals call “Hector the Convector”. It is a cumulonimbus thunderstorm that happens every day from ...
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1 vote
2 answers
71 views

Using Magic Portals to make Artificial, Localized Seasons

Basically, in my world there are no seasons on any of the relevant planets due to no axial tilt or orbital eccentricity. However, there are two portals which allow for travel between a fairly hot ...
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3 votes
1 answer
138 views

Why does the ITCZ "cling to" landmasses?

Edit: ITCZ: https://en.wikipedia.org/wiki/Intertropical_Convergence_Zone As pointed out in comments. I'm trying to figure out where exactly the ITCZ in my world will go (at least during its July-...
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5 votes
2 answers
74 views

How Would Really Short Seasons Affect Climate

So, this is an idea I am throwing around for my world, but not one I am committed to, but I am interested in it to see if I would like to do it. Basically, my fictional world orbits a cool, boring, ...
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  • 1,597
5 votes
4 answers
860 views

Help in determining the features of a fictional planet

I'm writing a sci-fi novel about a planet outside of the Solar System. The planet can support human life and is similar to Earth in many ways (1G gravity, Nitrogen-Oxygen-Carbon atmosphere, soil and ...
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1 vote
2 answers
72 views

What would be the effects on climate on a Venus sized planet orbiting a K0V star in a similar manner to Mars?

The planet has the characteristics of Venus in terms of mass (0.815 Earths), density (5.243g/cm3), surface area (0.902 Earths) and gravity (8.87m/s). It has an Earth-like atmosphere,water covers about ...
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5 votes
3 answers
344 views

Would the seasons on this solar system be too extreme for Earth life to thrive?

In this artificial galaxy, there is a trinary of quasar stars at the center, each one 1.5 trillion times as massive and 995 trillion times as bright as our sun, each one having its own ring of mirrors,...
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4 votes
2 answers
132 views

How would Blue/Yellow colored plants change during different weather seasons

My planet basically revolves around a blue star or a star that gives off more blue wavelengths, and the color of the plants are either blue or yellow or both because they are trying to absorb the most ...
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6 votes
6 answers
359 views

Could an Irregular Orbit Cause Significantly Longer Seasons?

I have a fantasy world I'm making, with a planet and sun similar to our world, except the length of the seasons are significantly longer. Each of the seasons last two years, and the full seasonal ...
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-3 votes
2 answers
250 views

How Bright Would a "Summer" Night Be on This Extreme Alternate Earth?

Here is the oversimplified map of the solar system of an alternate Earth: It is actually two separate binaries--one consisting of a red giant 100 times as wide, one-third as massive and 1,000 times ...
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4 votes
4 answers
307 views

What Would the Climate Be Like on this Extreme Alternate Earth?

In an alternate universe, Earth orbits not one sun, but two. As you can see, both stars are orange dwarves, each one only 40% as bright as our sun. All the same, this alternate Earth orbits from ...
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19 votes
8 answers
3k views

Can a planet have asymmetrical weather seasons? Like 3 months for summer, fall and spring each and 6 months of winter?

I looked around for an answer and was unable to find it here. So can the planet have asymmetrical seasons? I want my imaginary planet to have winter doubled comparing to summer. And which astronomical ...
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1 vote
1 answer
105 views

Life in the Temperate Zone of an Alternate Earth with an Axial Tilt of 42 Degrees--What Would the Seasons Be?

Suppose that in an alternate universe, Earth has an axial tilt not of 23.5 degrees, but 42. This means that from the equator, tropical climates with binary seasons (wet and dry) would persist from as ...
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4 votes
4 answers
456 views

World with two directly opposed habitable continents, one hot one cold, with significant geographical barrier between them

I'm trying to design a planet with two continents where one is always warm/hot and the other is cool/cold. The continents should be directly opposite each other (so not a pole and an equatorial one). ...
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2 votes
0 answers
65 views

Is it Possible to Have a Tropical Climate With a Summer Dry Season? [closed]

In my book series, the northern coast of one of my provinces is in the tropics and on the western side of its continent. However, because it is mountainous and on a relatively cold sea, I was thinking ...
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35 votes
20 answers
6k views

My planet has a long period orbit. How can I make the seasons change faster in order to shorten the length of a calendar year on it?

I wanted a habitable planet around a binary star system, so I conjured up a system that let me have one. The problem that I'm facing is that the goldilocks orbital parameters for this planed ended up ...
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6 votes
3 answers
127 views

Inclinatory Cycles and Seasonbuilding

I was doing some tests in Universe Sandbox a while ago and I noticed a strange behavior shown by giant planets on highly inclined orbits. In the simulation I placed an Earth at 1 AU around the Sun, ...
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4 votes
2 answers
131 views

Starting the year with september equinox

I know of several historical and fictional traditions which use spring equinox as a way to sync their calendars with the solar year, starting a new year on (or around) March 20. Are there are any ...
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1 vote
1 answer
118 views

Is it possible that a moon has seasons? [duplicate]

Okay, so my setting for a story was a moon, and I recently heard that moons can’t have seasons... is there any possible way that my moon can have seasons, specifically summer and winter?
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3 votes
2 answers
178 views

Magical Island question part 2: How to add desert to it

Part number 1 of the question can be found here: Now I wanted to add a few things just to be on the clear side of things, my world is originally inspired by Brazil. So: On the southeast the continent ...
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8 votes
7 answers
2k views

How to have a landmass the size of Great Britain have almost every single climate

I'm creating a continent which will be about the size of Great Britain (250.000 km2) and I'm creating it under certain constraints.: This continent was very powerful once upon a time, but now it is ...
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  • 220
3 votes
1 answer
105 views

Temperatures and water level during very long eclipse

If we have extreme and short winter caused by 3-day-eclipse, what would be temperatures like? Conditions: Planet is like earth, atmosphere, oceans, ice caps and so, but there is no regular seasons, ...
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  • 133
4 votes
0 answers
45 views

What could cause uneven seasons? [duplicate]

A world's seasons have different lengths. Winter lasts for 33% of the year, Spring and Fall for 25%, and Summer for only 17%. On the other hemisphere, it is the inverse. Is there any scientific ...
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4 votes
3 answers
286 views

How fairies control the transition of seasons

I have a world of perpetual, consistent, and evenly distributed "daylight" (for purposes of this question, you don't need to worry about how this would be achieved). Left to its own devices, ...
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0 votes
1 answer
62 views

Obliquity-Induced Hadley Cell Reversal

My planet has an axial tilt around 50° and a day length around 3 earth days. Under these conditions two things should occur: 1: There should be one large cell per hemisphere. 2: This cell should ...
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9 votes
4 answers
2k views

Do seasons occur on a tidally-locked planet?

I have done some research and so much contradict one another or I simply fail to understand. Do seasons occur on a tidally locked planet that isn't tilted on its axis?
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18 votes
8 answers
3k views

Is it possible for a planet to have the same seasons in both hemispheres?

Our spherical planet has two hemispheres divided at the equator. Those living in the north hemisphere experience the opposite season as those living in the south hemisphere at any given time of year. ...
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3 votes
2 answers
54 views

Frequent Solar Eclipse Cycle and Its Effects [closed]

I’m trying to imagine a sci-fi/fantasy world in which a solar eclipse occurs roughly once every 3 or 4 days. The exact frequency can be arbitrary and varied, but it does need to occur often. I would ...
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7 votes
2 answers
244 views

Is it realistic that mountain cultures use a different calendar than the low landers?

My fantasy setting is on a wet and humid world of innumerable islands; many of which are quite mountainous. With conditions ranging from Mediterranean to Tropical. The culture here experience only ...
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5 votes
1 answer
333 views

How does axial tilt affect atmospheric pressure and wind?

I'm working on an earht-like map and I'm having a hard time understanding where to put the high and low pressure zones. Here's some background info first. Axial tilt: 25 degrees Tropics latitude: 25 ...
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15 votes
12 answers
3k views

Habitable Planet with Highly Eliptical Orbit

Would it be possible for life to develop on a planet with a highly elliptical orbit? (Similar to a comet, but possibly less extreme.) If so, what conditions would be necessary and what would the life ...
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1 vote
2 answers
230 views

How can I do so that the four seasons last six months instead of three months?

In the real world, each season (Spring, Summer, Autumn and Winter) lasts three months. In my fictional world, I would want to make sure that each of these seasons will last six months. What I want ...
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4 votes
1 answer
203 views

Days and Seasons via Daily Eclipses in a Flat World

While working on the cosmos of a flat world, I came upon the idea of using a dim sum rotating about an axis through the central pole (as described here) in order to accomplish days and seasons. The ...
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5 votes
5 answers
433 views

Earth Has Four Seasons Lasting Years. Is This Too Much?

In this alternate Earth, the axial tilt is still leaning to the extent of the temperate and polar zones having four seasons--spring, summer, autumn and winter. The one key difference is that each ...
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5 votes
4 answers
483 views

A fictional island on Earth with "longer" springs and autumns

I want to write a story on Earth as it is now, with the sole exception of one large island nation. I plan to introduce elements of mysticism into the story as well, but I would like to keep these ...
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  • 53
4 votes
1 answer
157 views

Cold Weather Patterns

I’m working on a world with a mild but near constant winter. This weather pattern moves down the latitude and causes deep snows and some ice at worst in the mountains to heavy monsoons in tropic ...
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2 votes
1 answer
167 views

Seasons & days with steep axial tilt?

Given tilt of about 90deg (like Uranus), with day & year like Venus (day longer than year), orbiting a purple (brown) dwarf (not tidal locked). I'm having trouble getting "seasons" & day ...
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2 votes
1 answer
175 views

Climate and weather without obliquity and eccentricity?

Obliquity is the most important factor of seasons. Without axial tilt, eccentricity causes small temperature variations. What would climate and weather on Earth look like, if Earth doesn't have any ...
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5 votes
3 answers
371 views

Reality check; minimal axial tilt = minimal seasons/mild weather right?

TLDR; what would weather be like with minimal axial tilt? Included is a picture of my climate map and several perspectives of a paper model I made of the planet. The ocean covers over half the planet,...
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9 votes
15 answers
2k views

What natural phenomenon could lead to greatly varying season lengths? [duplicate]

I'm intrigued by the topos of varying season lengths brought to us in the Game of Thrones universe. I think it makes for a brilliant and versatile backdrop for the story, and it is something I'd like ...
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6 votes
1 answer
148 views

Seasonal pressure areas over continents located in both northern and southern hemispheres

On a real world Earth, the seasonal changes in temperature of continents create high-pressure areas during winter in that hemisphere, and low-pressure areas during summer in that hemisphere. Should ...
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7 votes
10 answers
324 views

Plausible reasons for multiple hot seasons in one solar year

Setup: A planet generally with an earthlike climate, although slightly wetter and warmer as a general rule, with a little more oxygen in the atmosphere, but habitable by unmodified humans. Still has ...
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9 votes
6 answers
5k views

A Planet Where The Four Seasons Occur Multiple Times In One Year?

Earthlings, I live on a world where most places on my planet has four seasons, just like yours does. We also have one sun and one moon, presumably. It's been not even a year since I came of age (20), ...
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3 votes
1 answer
110 views

What sort of seasonal changes might exist that we don't see on earth?

NASA recently shared a photo that used a term "araneiform terrain" and said that the terrain formation was an effect of seasonal changes we don't see on earth. NASA publication How would I go about ...
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9 votes
3 answers
207 views

Can a planet of heavy and regular rains or monsoons have little to no surface water?

There is a background planet in this story that is important due to character back story however we never visit it in this book. It is describe as a mostly jungle planet, with regular heavy rains or ...
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  • 5,265
39 votes
6 answers
8k views

Planet wide seasons: Possible?

I was reading a World Anvil article which has a world that experiences world wide seasonal changes. Specifically quoting the article, During the month of Frimense, the Frostkin thrive, as the ...
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14 votes
6 answers
1k views

Seasons on Infinite Cylinder Planet

An infinitely long cylinder, made of planetary matter with an average radius roughly equivalent to the average distance Earth's equator has to its center, orbits around a parallel, infinitely long ...
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2 votes
2 answers
517 views

How would life on a planet without seasons evolve? [closed]

This also counts intelligent life as well, but I've been working on my universe more and have been considering planets without an axial tilt (thus not allowing seasons). What kind of plants and ...
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2 votes
1 answer
425 views

What rough climate and/or biome classifications would I assign to a planet with 31.1 degrees axial tilt?

First, specifying format in this question I will be giving temperature ranges that sometimes appear backwards. This is because I am listing average temperature ranges from southern to northern ...
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9 votes
4 answers
3k views

Tree growth rings without seasons

Tree growth rings are created because the time of day with sunlight differs throughout the year. How would the inside of a tree look, if it were to grow up on a planet without seasons, where day and ...
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