Year-round weather and climate in Tehran, Iran
Average temperatures in Tehran run from an average low of 0°C32°F in January up to an average high of 38°C100°F in July. June is the driest month at 0 rainy days; March the wettest at 8. Here is the annual climate data, so you know what you are packing for.
Good to know
- Population
- 7.2M
- Currency
- IRR
- Language
- Persian (Farsi)
- Time zone
- Tehran
Best time to visit
To avoid the most intense heat, the best time to visit is during the milder season around August, September, and October.
Rain character
Moderate Showers: Rainfall is standard and manageable. A compact travel umbrella or light rain jacket will easily get you through any wet days.
Day-to-night swing
The Daypack Trap: Beware the "noon illusion". In months like June, crisp sunny days drop off a cliff by 13°C23°F at sunset. Always carry an evening layer.
Seasonality Profile
Mediterranean: Hot, bone-dry summers giving way to mild, occasionally wet winters.
Evening vibe
Seasonal Terraces: During the more temperate months, the city opens up with lively outdoor terraces. For the rest of the year, expect to dine indoors.
Sightseeing stamina
Summer Heat Fatigue: Midday heat in June, July, August, and September is intense. Pack high-SPF sunscreen and a wide-brimmed hat.
Average temperatures, sunshine, and rainfall
Average monthly weather in Tehran, based on recent historical data. Essential insights on temperature swings, expected rainfall, and daily sunshine.
Bars span the average daily low to high. Jun is typically driest at 0 days (1mm); Mar the wettest at 8 days (55mm).
| Month | Average high | Average low | Sunshine hours | Rainy days | Total rainfall |
|---|---|---|---|---|---|
| Jan | 9°C / 49°F | 0°C / 32°F | 8h | 7 | 34mm |
| Feb | 12°C / 54°F | 2°C / 35°F | 9h | 6 | 52mm |
| Mar | 17°C / 63°F | 6°C / 43°F | 9h | 8 | 55mm |
| Apr | 25°C / 76°F | 12°C / 54°F | 11h | 5 | 32mm |
| May | 29°C / 85°F | 17°C / 62°F | 12h | 4 | 17mm |
| Jun | 36°C / 97°F | 23°C / 74°F | 13h | 0 | 1mm |
| Jul | 38°C / 100°F | 26°C / 79°F | 13h | 0 | 1mm |
| Aug | 36°C / 98°F | 25°C / 76°F | 13h | 0 | 0mm |
| Sep | 33°C / 91°F | 21°C / 69°F | 11h | 1 | 4mm |
| Oct | 25°C / 77°F | 14°C / 56°F | 10h | 2 | 13mm |
| Nov | 17°C / 62°F | 7°C / 45°F | 8h | 7 | 42mm |
| Dec | 11°C / 51°F | 2°C / 35°F | 8h | 5 | 33mm |
Weather data by Open-Meteo.com (opens in a new tab)
Frequently Asked Questions
When is the sunniest time of year to visit Tehran?
The most sunshine in Tehran comes around June, averaging 13 hours a month. If you're heading there then, pack your sunglasses and sunscreen.
What clothes should I pack for Tehran?
Your packing list depends entirely on when you travel. Temperatures in Tehran swing from an average low of 0°C32°F in January up to 38°C100°F in July. The Packola app builds a tailored packing list for you based on the live weather forecast for your exact travel dates.
Do I need to pack an umbrella for Tehran?
Tehran gets rain on about 45 days out of the year. The wettest month is March. If you're traveling during the rainy season, you'll definitely want to pack an umbrella and a light rain jacket.
Pack smarter.
Averages get you close, but the week you travel is what matters. Get the live forecast, a smart packing list, and discover the best local spots and activities in Tehran with Packola.
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