Page "Tehran" Paragraph 22

Summer is usually hot and dry with very little rain, but relative humidity is generally low and the nights are cool.

Most of the light annual precipitation occurs from late autumn to mid-spring, but no one month is particularly wet.

The hottest month is July ( mean minimum temperature 26 ° C ; mean maximum temperature 36 ° C ) and the coldest is January ( mean minimum temperature − 1 ° C ; mean maximum temperature 8 ° C ).