Climate normals · 1970–2000
Tehran Climate
Tehran is a city in Iran (26) with a population of about 7,153,309. Its average annual temperature is 16.5°C (62°F), with roughly 246 mm of rain per year.
16.5°C
Avg Temp
246
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
Tehran Climate
Tehran has an average annual temperature of 16.5°C (62°F) and receives about 246 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
16.5°C
Avg Temp
246
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 3° / 38° | 37 mm |
| February | 5° / 42° | 35 mm |
| March | 10° / 50° | 42 mm |
| April | 16° / 62° | 26 mm |
| May | 21° / 70° | 17 mm |
| June | 27° / 80° | 5 mm |
| July | 29° / 85° | 3 mm |
| August | 28° / 83° | 2 mm |
| September | 24° / 75° | 2 mm |
| October | 17° / 63° | 18 mm |
| November | 11° / 51° | 25 mm |
| December | 5° / 42° | 34 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Tehran
The most comfortable months to visit Tehran are typically May, September and October, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 35°C high). The coldest is January (near 0°C low). March is usually the wettest month.
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Frequently Asked Questions
The most comfortable months to visit Tehran are typically May, September and October, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).
Tehran, Iran has an average annual temperature of 16.5°C and about 246 mm of precipitation per year. The warmest month is July and the coldest is January.
In July, the hottest month, daily highs in Tehran average about 35°C (95°F).
Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.