WEATHER IN Tehran
Climate tables. Data for Tehran.
Monthly temperature
| Month | Record low | Average low | Average | Average high | Record high |
| january | -13.0 (1973) | 1.3 | 4.7 | 8.5 | 19.2 (2010) |
| february | -10.0 (1967) | 3.0 | 7.0 | 11.1 | 24.4 (2016) |
| march | -8.0 (1976) | 7.2 | 11.8 | 16.2 | 34.0 (2010) |
| april | -4.0 (2001) | 12.6 | 17.6 | 22.3 | 33.4 (2008) |
| may | 1.8 (1952) | 17.6 | 23.2 | 28.2 | 44.0 (1989) |
| june | 11.4 (2000) | 22.5 | 28.8 | 34.3 | 42.2 (2015) |
| july | 13.4 (1999) | 25.2 | 31.4 | 36.9 | 43.0 (1975) |
| august | 13.0 (1977) | 24.6 | 30.5 | 35.8 | 42.4 (2024) |
| september | 10.8 (2009) | 20.7 | 26.3 | 31.6 | 39.0 (1979) |
| october | -2.3 (2002) | 14.8 | 19.6 | 24.6 | 33.2 (2013) |
| november | -7.2 (1958) | 7.8 | 11.6 | 15.7 | 27.4 (1949) |
| december | -12.2 (1963) | 3.2 | 6.5 | 10.2 | 20.8 (2010) |
| year | -13.0 (1973) | 13.4 | 18.3 | 23.0 | 44.0 (1989) |
Monthly precipitation
| Month | Average | Record low | Record high | Daily high |
| january | 32 | 0.0 (1927) | 221 (1923) | 75 (1992) |
| february | 33 | 0.0 (1901) | 130 (2013) | 101 (2013) |
| march | 43 | 0.0 (2008) | 154 (1916) | 105 (1992) |
| april | 35 | 0.0 (1917) | 131 (1962) | 38 (2002) |
| may | 14 | 0.0 (1899) | 61 (1916) | 19 (1992) |
| june | 2 | 0.0 (1886) | 26 (1885) | 70 (2010) |
| july | 2 | 0.0 (1884) | 46 (1895) | 70 (2010) |
| august | 1 | 0.0 (1884) | 80 (1994) | 80 (1994) |
| september | 0.9 | 0.0 (1884) | 24 (2024) | 91 (1992) |
| october | 14 | 0.0 (1893) | 106 (2011) | 49 (2011) |
| november | 31 | 0.0 (1903) | 95 (1957) | 61 (2000) |
| december | 32 | 0.0 (2018) | 80 (1938) | 52 (2004) |
| year | 239 | 77 (2025) | 506 (1923) | 105 (1992) |
Number of days with solid, liquid, and mixed precipitation
| Type of precipitation | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Wind speed, m/s
| jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
The frequency of different wind directions, %
| direction | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Air humidity, %
| jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Snow cover
| Month | jul | aug | sep | oct | nov | dec | jan | feb | mar | apr | may | jun | Year |
| number of days | |||||||||||||
| height (sm) | |||||||||||||
| max height (sm) |
Cloudy, score
| month | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
| total | |||||||||||||
| low |
Number of clear, cloudy and cloudy days
| month | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
| Total cloud | |||||||||||||
| Low cloud | |||||||||||||
Number of days with different phenomena
| phenomenon | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
The frequency of different types of clouds, %
| type of clouds | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |