Since your hair is only acting weird in the winter it's probably the products you are using that don't work well with the low dew points. Try using anti humectant products.
2c/3a some 3b/Thick/Fine texture?/High Porosity
Currently trying out the CG method again as of 1/3/12!
Co-wash/RO: Trader Joe's Tea Tree Tingle
Low poo: Giovanni Tea Tree Triple Treat (when needed)
Products: LA Looks Sports Gel and Curly Kinks Coil Jam