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When is the best time to visit Tehran?
In general the best time to visit Tehran is probably July, when the weather is usually great. The hottest months are June, July, August, while the coldest months are January, February, December.
The best time to visit may differ depending on what you are looking for:
- The best time for a sunbathing holiday is June, July, August. Average maximum temperatures are up to +35°C in July and it has 24 sunny days on average.
- In general, it’s pleasant to walk and do outdoor activities during April - October.
- If you want to avoid wet weather, then your choice is January, February, December with the lowest chance of rain.
Average weather in Tehran in different months
This is the average weather in Tehran for each month based on historic data:
January, February, March, April, May, June, July, August, September, October, November, December usually has good weather. Average maximum temperature reaches +35°C during July.
Climate in Tehran
Here is the detailed breakdown of the climate in Tehran for each month:
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum Temperature | |||||||||||
| +16°C | +21°C | +29°C | +32°C | +37°C | +41°C | +42°C | +41°C | +37°C | +32°C | +25°C | +20°C |
| Average Maximum Temperature | |||||||||||
| +6°C | +8°C | +13°C | +20°C | +26°C | +33°C | +35°C | +34°C | +30°C | +22°C | +14°C | +8°C |
| Minimum Temperature | |||||||||||
| -19°C | -20°C | -21°C | -7°C | 0°C | +10°C | +13°C | +13°C | +7°C | -1°C | -11°C | -20°C |
| Avg. water temperature | |||||||||||
| - | - | - | - | - | - | - | - | - | - | - | - |
| Humidity, % | |||||||||||
| 60 | 55 | 50 | 42 | 33 | 24 | 24 | 25 | 27 | 38 | 52 | 61 |
| Rain, mm | |||||||||||
| 18 | 25 | 48 | 35 | 16 | 2 | 1 | 1 | 1 | 15 | 35 | 28 |
| Snow, mm | |||||||||||
| 21 | 14 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 11 |
| Average wind speed, m/s | |||||||||||
| 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 |
| Sunny Days | |||||||||||
| 13 | 10 | 10 | 8 | 13 | 22 | 24 | 27 | 27 | 19 | 13 | 12 |
| Cloud Days | |||||||||||
| 8 | 6 | 6 | 8 | 8 | 4 | 5 | 3 | 2 | 6 | 8 | 9 |
| Rainy Days | |||||||||||
| 4 | 6 | 12 | 11 | 8 | 2 | 1 | 1 | 1 | 5 | 8 | 6 |
| Snowy Days | |||||||||||
| 7 | 5 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 |
Average Temperature
Here are the average maximum and minimum temperatures in Tehran during the whole year:
The hottest month in Tehran is July with average maximum temperature going up to +35°C. The coldest month is January with the lowest temperatures of -4°C.
Humidity
The temperature feels different depending on humidity. Here is how humidity in Tehran looks throughout the year, in %:
The most humid month in Tehran is December with average humidity going up to 61%. The least humid month is June with an average humidity of 24%.
Rain
Amount of rainfall in mm. in Tehran during the whole year based on historical data:
The sunniest and driest month is August with approximately 27 sunny days and a total precipitation of around 1 mm. The rainiest and wettest month is March with approximately 12 rainy days and 48 mm of total precipitation.
Snow
Amount of snow in mm. in Tehran during the whole year based on historical data:
The snowiest month is January with approximately 7 snowy days.
FAQ
Frequently asked questions about the weather in Tehran:
What is the hottest month in Tehran?
The hottest month in Tehran is July with average maximum temperature of +35°C.
What is the coldest month in Tehran?
The coldest month in Tehran is January with minimum temperatures of -4°C.
Is Tehran worth visiting in winter?
If you are planning to visit Tehran in winter you can expect pretty good weather. The best month is July with +35°C and 24 sunny days.
When does it rain the least in Tehran?
if you're looking to visit Tehran when it rains the least, you should plan your trip for March, November, April. During this time, rainfall is rare with the driest month being July with only 1 mm of rain.
Other cities in Iran
Check out the weather for other cities in Iran.
Monthly weather in Tehran
Source of the data
For this page, we’ve looked at the typical weather in Tehran, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.