Winter = Blue & White, because it gives you more of a cold type of mood/feeling. The temperature is COLD and SNOWY.
Summer = Yellow, because it give you more of a warm type of mood/feeling. The temperature is usually HOT.
Spring = Yellow & Blue, because the weather is changing from cold to warm.
Fall = Orangeish/Redish, because it give you a WARM yet COLD type of mood/feeling.