Extreme temperatures can make a big difference in the quality of condoms. Both hot and cold, extreme temperatures can make condoms brittle and easy to break.
Extreme temperatures have been found to play havoc on the quality of latex and it is proven beyond doubt that both hot and cold does impact the latex texture to a great extent. Condoms may or may not break when exposed to extreme temperatures, but it is quite unsafe to use a condom that is exposed to such high temperatures.