My electronics do not go near anything that is liquid or anything that condensates Having said that I know people that Do that very thing and have never had an issue. I simply keep my equipment in the shade as much as possible and in their cases until right before flight time. NEVER EVER leave something in a vehicle even in the case! and give the drone a break between batteries when you can.
Today in Bakersfield 110 Tomorrow 113,... 115...and climbing by the Day I will be Flying in the early mornings and late evenings Outside for the time being. I see LOT'S of simulator time coming up in the next weeks.