I live down South in Louisiana and it stays hot and very humid here almost all year round. The dew points get low where I live at during late Fall through the Winter Season only.

The worst time is Summer time. Which is why, right now I can't wait until Fall comes around again. I have not been using gel in my hair, but I just may end up resorting too before Summer Season ends. Right now, I have been prepooing my hair with either JBCO, Coconut Oil, Olive Oil, or one of my oil mixtures. To cleanse i use SM Curl and Shine Shampoo. To condition I use SM Anti-Breakage Masque. For my leave in+detangler, I use It's A 10 Miracle Leave In. And to style my hair, I use Mixed Chicks Leave In. I always keep a scrunchie with me. Because normally I eventually end up pulling my hair back into a ponytail anyways. As, I don't like the feeling of having a lot of hair on my neck when its hot. And at this time, the temps around here have been around 90 each day.
3B, low density, high porosity hair

SM Curl & Shine Shampoo
SM Curl & Shine Conditioner
As I Am Coconut CoWash
SM JBCO Shampoo
CD Hair Milk Cleansing Conditioner
Aphogee 2-Minute Reconstructor
Marula Oil
Argan Oil
Coconut Oil
JBCO
UFD SuperCurl
UFD Curly Magic
CRN Almond Jai Twisting Butter

F.Y.I. I do happen to use more than these products listed in my hair. Which is why, the products I use are subject to change.