When is the best time to go to Tehrān
The chart above shows the best time of year to visit Tehrān, Iran. These are based on an analysis of weather averages such as temperature, rainfall and number of hours of sunshine. These ratings are based solely on the climate and do not take into account other factors such as accommodation prices and how busy it is likely to be.
Average temperatures in Tehrān
Tehrān weather by month
Please note our recommendations for when to visit Tehrān are based solely on the weather and do not take into accounts accommodation prices, how busy it will be and what events are on.
January
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 5°C | 37mm | 5.9hrs | 11hrs |
The climate in Tehrān during January can be summarized as cool and reasonably dry.
Based on weather alone, this is probably a time of year to avoid going to Tehrān for your holidays. The weather is often not a good and not conducive to spending time outdoors.
January is in the winter in Tehrān and is typically the coldest month of the year. Daytime maximum temperatures average around a cold 6°C (42°F), whilst at night -3°C (26°F) is normal.
On average January is the driest month of the year in Tehrān with around 37mm 1.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.9 hours of sunshine per day.
February
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 7°C | 35mm | 6.7hrs | 11.8hrs |
February in Tehrān is generally reasonably dry with the temperature being cool.
Based on weather alone, this is probably a time of year to avoid going to Tehrān for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
February is in the winter in Tehrān and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cold 8°C (46°F), whilst at night -1°C (30°F) is normal.
On average February is the 2nd driest month of the year in Tehrān with around 35mm 1.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.7 hours of sunshine per day.
March
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 12°C | 40mm | 6.9hrs | 12.8hrs |
The weather in March in Tehrān is characteristically cool and reasonably dry.
Based on weather alone, this is probably a time of year to avoid going to Tehrān for your holidays. The weather is often not a good and not conducive to spending time outdoors.
March is in the spring in Tehrān and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 14°C (57°F), whilst at night 3°C (38°F) is normal.
On average March is the 3rd driest month of the year in Tehrān with around 40mm 1.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.9 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 18°C | 33mm | 7.7hrs | 13.9hrs |
Tehrān's weather in April is typically mild and reasonably dry in nature.
Although outside the main holiday season, there is still plenty of pretty acceptable weather around this time of year. This makes it an okay time to visit Tehrān.
April is in the spring in Tehrān and is typically the 4th coldest month of the year. Daytime maximum temperatures average around 20°C (68°F), whilst at night 9°C (48°F) is normal.
On average April is the 4th driest month of the year in Tehrān with around 33mm 1.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.7 hours of sunshine per day.
May
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 24°C | 22mm | 9.6hrs | 14.9hrs |
May is a dry month in Tehrān and the temperature is generally warm.
It is perhaps the perfect month to visit Tehrān, with some very good weather at this time of year.
May is in the spring in Tehrān and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a comfortable 26°C (79°F), whilst at night 14°C (57°F) is normal.
On average May is the 5th driest month of the year in Tehrān with around 22mm 0.9 inches of rain making it a dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.6 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 29°C | 6mm | 12.1hrs | 11hrs |
Tehrān's weather in June is typically hot and very dry in nature.
It is perhaps a good month to visit Tehrān, with some surprisingly good weather at this time of year.
June is in the summer in Tehrān and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a warm 32°C (90°F), whilst at night 19°C (66°F) is normal.
On average June is the 6th driest month of the year in Tehrān with around 6mm 0.2 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 12.1 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 32°C | 5mm | 11.7hrs | 11.8hrs |
July in Tehrān is generally very dry with the temperature being very hot.
It is perhaps a good month to visit Tehrān, with some surprisingly good weather at this time of year.
July is in the summer in Tehrān and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a warm 35°C (96°F), whilst at night 22°C (72°F) is normal.
On average July is the 6th wettest month of the year in Tehrān with around 5mm 0.2 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 11.7 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 31°C | 4mm | 11.3hrs | 12.8hrs |
The weather in August in Tehrān is characteristically hot and very dry.
It is perhaps a good month to visit Tehrān, with some extremely good weather at this time of year.
August is in the summer in Tehrān and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a warm 34°C (93°F), whilst at night 21°C (70°F) is normal.
On average August is the 5th wettest month of the year in Tehrān with around 4mm 0.1 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 11.3 hours of sunshine per day.
September
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 27°C | 3mm | 10.7hrs | 13.9hrs |
Tehrān's weather in September is typically hot and very dry in nature.
It is perhaps the perfect month to visit Tehrān, with some extremely good weather at this time of year.
September is in the fall / autumn in Tehrān and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 30°C (86°F), whilst at night 17°C (63°F) is normal.
On average September is the 4th wettest month of the year in Tehrān with around 3mm 0.1 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 10.7 hours of sunshine per day.
October
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 20°C | 17mm | 8.6hrs | 14.9hrs |
October is a dry month in Tehrān and the temperature is generally mild.
It is perhaps a good month to visit Tehrān, with some surprisingly good weather at this time of year.
October is in the fall / autumn in Tehrān and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 22°C (72°F), whilst at night 11°C (51°F) is normal.
On average October is the 3rd wettest month of the year in Tehrān with around 17mm 0.6 inches of rain making it a dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.6 hours of sunshine per day.
November
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 13°C | 22mm | 7.3hrs | 11hrs |
Tehrān's weather in November is typically cool and dry in nature.
Although outside the main holiday season, there is still plenty of pretty acceptable weather around this time of year. This makes it an okay time to visit Tehrān.
November is in the fall / autumn in Tehrān and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a cool 15°C (59°F), whilst at night 5°C (41°F) is normal.
On average November is the 2nd wettest month of the year in Tehrān with around 22mm 0.9 inches of rain making it a dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.3 hours of sunshine per day.
December
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 7°C | 36mm | 6hrs | 11.8hrs |
December in Tehrān is generally reasonably dry with the temperature being cool.
Based on weather alone, this is probably a time of year to avoid going to Tehrān for your holidays. The weather is often not a good and not conducive to spending time outdoors.
December is in the winter in Tehrān and is typically the warmest month of the year. Daytime maximum temperatures average around a cold 8°C (47°F), whilst at night -1°C (31°F) is normal.
On average December is the wettest month of the year in Tehrān with around 36mm 1.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 hours of sunshine per day.
Other monthly averages
Tehrān weather stats
| Hottest month: | July | 34.9°C 94.8°F |
|---|---|---|
| Driest month: | September | 3mm 0.1ins |
| Sunniest month: | September | 10.7hrs |
| Coldest month: | January | 5.3°C 41.5°F |
| Wettest month: | March | 40mm 1.6ins |
| Warmest sea: | August | 28.3°C 82.9°F |
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