noun
cold and heat; winter and summer
Refers to the extremes of temperature or the seasons themselves. Often used in set phrases like 寒暑を問わず (regardless of the weather/season).
この植物は寒暑に強い。
This plant is resistant to both cold and heat.
寒暑を問わず、毎日ジョギングを続けている。
I keep jogging every day, regardless of the season.