It is normal event. there are places on Earth where daily amplitude of temperature is above 30 deg. Celsius (e.g. Sahara Desert).
I can not believe that from all reasons to live people are choosing almost always the most invaluable.
Nolwe ar alcar >> Wisdom and Glory! Wisdom is in words, Glory- in deeds.
All of this is personal opinion and understanding. For your own opinion read the books written by J. R. R. Tolkien.