Ok, long read, just trying to be as specific as possible. Be warned.

A couple of years ago, I lived in a cool climate. By 'cool,' I mean Southern California. The daytime temp runs up into the low 80s or 70s with low humidity. The night temp runs cooler, sometimes around 60ish. I spent 4 years living there, and Acne was not a problem. I was even in the military and we would go out and go play in the dirt sometimes for several months. Even when we went to other countries, my acne stayed in check. Only time I saw it break out was in Kuwait where the temp ran up in the 100s. But humidity was low. Not showering for several months in Afghan and sweating everyday out on patrol, and still I did not break out too much.

Fastforward, living back in Hawaii now for around 2 years currently, where the humidity runs pretty high and I started to break out all over. It got worse, even with some products and lotions I tried. Unfourtantly, I never had AC as well. The temp would run up into the 80s or even low 90s with high humidity.

Recently, I worked a job at a hotel as a contractor working every day for 5 days a week cutting holes and crawling around in the dirt of the ceilings. As you can imagine, I was dirty and grimy everyday for at least 8 hours with 1 facewash with water at lunch. At night, they housed us in cold AC, where the room temp would be down in the low 70s with of course no humidity in the room.

For some reason, my skin did not break out. I even stopped using Acne Gel. I think it might have been due to the cold AC and clean beds they housed us in. Everytime, I go back home and sleep in the hot humid weather, my face starts to break out.

My question is: Is it possible that because my skin 'adjusted' to living in cold weather in Souther California for 4 years, it is still possibly adjusted? My theory is that humidity is the main factor for me. Anyone have anything similar?

Oh, and as soon as I get home, I'm buying an AC unit.