Tehran, Iran Weather
Tehran hourly forecast: next 24 hours
Today's high of 96°F (36°C) is right in line with the typical August high of 97°F (36°C).
Current conditions in detail
Tehran weather tomorrow (Friday, August 14)
Tomorrow in Tehran looks sunny, with a high of 98° and an overnight low of 85°. Rain is unlikely (1% chance). Winds top out near 8 mph, and the UV index reaches 10 (very high).
Tehran 14-day forecast
About the weather in Tehran
Weather in Tehran is shaped by its semi-arid climate - expect big day-to-night temperature swings and modest rainfall. July afternoons typically reach 100°F (38°C), while January highs hover near 49°F (9°C). Annual precipitation averages 12.0 inches (305 mm) over about 52 rainy days.
Tehran weather: quick facts
- Hottest month: July - highs near 100°F (38°C)
- Coldest month: January - highs near 49°F (9°C)
- Record high: 110°F (43°C) · Record low: 9°F (-13°C) (2015–2024)
- Wettest month: March (9 rainy days) · Sunniest: June (12.9 h sun/day)
- Climate type: semi-arid - big day-to-night temperature swings and modest rainfall
- Snow: about 7 days a year
Temperatures through the year
The warmest stretch of the year centers on July. Highs average 100°F (38°C) and overnight lows stay near 79°F (26°C). The coolest month is January, with typical highs of 49°F (9°C) and lows around 31°F (0°C). Based on 2015–2024 weather data, temperatures have reached as high as 110°F (43°C) and dropped as low as 9°F (-13°C).
Rain, sun and snow
March is usually the wettest month. It brings about 2.2 inches (57 mm) of rain over 9 days, while August is the driest. June brings the most sunshine, averaging 12.9 hours of sun a day. Snow falls on about 7 days in a typical year, mostly from November through March.
Season by season
Spring (March through May)
Spring in Tehran is mild and warm, with daytime highs averaging 73°F (23°C) and nights around 52°F (11°C); expect showers on roughly 20 days across the season.
Summer (June through August)
Summer in Tehran brings serious heat, with daytime highs averaging 98°F (36°C) and nights around 76°F (24°C); precipitation is infrequent.
Fall (September through November)
Fall in Tehran brings comfortable warmth, with daytime highs averaging 75°F (24°C) and nights around 56°F (13°C); rain falls on about 11 days over the three months.
Winter (December through February)
Winter in Tehran is chilly, with daytime highs averaging 51°F (10°C) and nights around 33°F (1°C); expect showers on roughly 20 days across the season, plus around 6 snowy days.
Average temperatures in Tehran by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 49° | 31° | 7 | 1.6 in | 8.5 h/day | 52% |
| February | 52° | 34° | 8 | 1.8 in | 8.8 h/day | 54% |
| March | 62° | 42° | 9 | 2.2 in | 9.6 h/day | 48% |
| April | 73° | 52° | 7 | 1.5 in | 10.8 h/day | 40% |
| May | 85° | 62° | 4 | 0.7 in | 12.0 h/day | 30% |
| June | 96° | 73° | 0 | 0.1 in | 12.9 h/day | 19% |
| July | 100° | 79° | 0 | 0.1 in | 12.8 h/day | 20% |
| August | 97° | 76° | 0 | 0.0 in | 12.7 h/day | 20% |
| September | 90° | 69° | 1 | 0.1 in | 11.3 h/day | 23% |
| October | 76° | 57° | 4 | 0.8 in | 10.2 h/day | 36% |
| November | 60° | 43° | 6 | 1.6 in | 8.3 h/day | 52% |
| December | 51° | 35° | 6 | 1.5 in | 7.9 h/day | 54% |