The seasons don't change my hair growth, but I can say that I like winter for my hair more than summer.... In the summer I have to wash my hair more because it gets so oily.... And I wear my hair up more because it's just hot and irritating.... I love winter because for one my hair keeps me warm and also my hair doesn't need to be washed so often like in the warmer months.... I also use coconut oil year round but it does my hair better in the winter.... Coconut Oil hardens when it's cold so when I'm outside and the cold wind is blowing, when I touch my hair, it feels thicker and a bit stiff and I can feel the Coconut oil actually protecting my strands... Then when I get indoor, it softens again and it doesn't feel dry.... I also have to do way too much work to prevent frizz in the summer. Winter time, no frizz! Love winter.