The config
class Weather
{
temperatureDayMax[] = {10,12,15,20,25,35,35,35,25,20,10,10};
temperatureDayMin[] = {-10,-6,-5,-1,5,6,7,10,5,2,-5,-10};
temperatureNightMax[] = {5,6,8,10,13,18,26,25,15,13,8,4};
temperatureNightMin[] = {-10,-10,-10,-5,0,4,5,6,5,0,-5,-10};
overcastTemperatureFactor = 0.4;
blackSurfaceTemperatureDelta = 5;
whiteSurfaceTemperatureDelta = -2;
};from configFile >> "CfgWorlds" >> "DefaultWorld" >> "Weather" is inherited to every vanilla terrains (Altis, Stratis, Malden, Tanoa, Enoch). Which is not really suitable for every terrains, especially Tanoa which is in Southern hemisphere because it makes the southern winter summer and vice versa.
This affects to thermal vision, so gameplay.