Climate of Tehran, Iran
Area-weighted average across Tehran. For where people actually live and travel, see the cities below.
Tehran, a subdivision of Iran, has a strongly continental climate on average. Area-weighted monthly temperatures across the whole territory range from -0.9°C / 30.4°F in January to 26.3°C / 79.3°F in July, with rainfall from 2 mm / 0.1 in to 40 mm / 1.6 in depending on the season (224 mm / 8.8 in total across the year). See the 2 cities listed below for point-value climate at specific locations — these often differ from the area-weighted average, especially in geographically diverse subdivisions.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | -0.9°C30.4°F | 30 mm1.2″ | Snowy |
| February | 1.2°C34.2°F | 30 mm1.2″ | Snowy |
| March | 6°C42.8°F | 40 mm1.6″ | — |
| April | 12.8°C55°F | 29 mm1.1″ | — |
| May | 17.7°C63.9°F | 22 mm0.9″ | Sunny & Mild |
| June | 23.2°C73.8°F | 6 mm0.2″ | Sunny & Warm |
| July | 26.3°C79.3°F | 3 mm0.1″ | Sunny & Hot |
| August | 25.3°C77.5°F | 2 mm0.1″ | Sunny & Hot, Sunny & Warm |
| September | 21°C69.8°F | 2 mm0.1″ | Sunny & Warm, Sunny & Mild |
| October | 14.2°C57.6°F | 15 mm0.6″ | Sunny & Mild |
| November | 7.5°C45.5°F | 20 mm0.8″ | — |
| December | 1.7°C35.1°F | 25 mm1″ | Snowy |
Frequently asked questions
What is the best time to visit Tehran?
The best months to visit Tehran, Iran for sunny, dry weather are May, June, July, August, September, October. The warmest month is July at an area-wide average of 26.3°C / 79.3°F, and the driest is August with about 2 mm / 0.1 in of rainfall.
What is the climate of Tehran?
Tehran, Iran has area-weighted monthly average temperatures ranging from -0.9°C / 30.4°F in January to 26.3°C / 79.3°F in July. Annual rainfall averages about 224 mm / 8.8 in, with the wettest month being March (40 mm / 1.6 in) and the driest August (2 mm / 0.1 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in Tehran?
The hottest month in Tehran is July, with an area-wide average temperature of 26.3°C / 79.3°F.
What is the coldest month in Tehran?
The coldest month in Tehran is January, with an area-wide average temperature of -0.9°C / 30.4°F.
When does it rain most in Tehran?
The wettest month in Tehran is March, averaging about 40 mm / 1.6 in of rainfall. The driest is August with about 2 mm / 0.1 in.