My fFavourite sSeasion

in theA year has 12 months, and 4 seasions.

Every seasions haves its months.

The 4 seasion havs are aAutumn,w Winter,s Spring and sSummer.

My favourite seasion is wWinter.

Join this line and the next as it needs to either be one sentence or be linked with a semi-colon (;)

because iI don't like the hot months.

iI sweat a lot, and that felt discomfortdoesn't feel comfortable for me.

iIn Winter rains, it snows and rains.

I like cold weather, especially windy weather.

My fFavourite sSeasion

Generally, all words in a title are capitalised.

in theA year has 12 months, 4 seasions.

"Season" should be plural ("seasons"), since there are more than one season.

Every seasions haves its (own) months.

The noun following "every" is generally singular: "every time", "every day", "every person", etc.

The 4 seasions we have are autumn, winter, spring and summer.

Typically, when listing the seasons, we'd use this order instead: spring, summer, autumn, winter.

My favourite seasion is winter.,

I changed the period to a comma so it can be merged with the sentence below.

because iI don't like hot months.

(1) Merge this sentence with the one above.
(2) The pronoun "I" is always capitalised.

iI sweat a lot, and that felt disels uncomfort mable.

iIn Wwinter it rains, snows and rains again.

Alternatively, you don't have to repeat "rains": "In winter it rains and snows." Repeating it does feel literary though, which I think is nice.

I like cold weather, especially wind weathery days.

"Wind weather" is not a phrase we use.