Winter (December to February)
Cool weather with highs around 10° and lows near 0°, a few showers (6 rainy days per month on average). Not an ideal time for a leisure trip.
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Climate · 10-year averages
When to visit Téhéran?
Best time to visit Téhéran: from March to Mayandfrom September to November. Month-by-month temperatures, rainfall and sunshine, based on ten years of weather data.
Best time to go
From March to Mayandfrom September to November
Hottest month
July · 37°
Coldest month
January · -1°
Wettest month
March · 57 mm
Climate month by month
Bars: monthly rainfall. Lines: average highs and lows. Month color: our travel comfort index.
- JanuaryMitigé
9° / -1°
- Rain
- 37 mm · 7 d
- Sunshine
- 8.6 h/day
- Humidity
- 54%
- FebruaryMitigé
11° / 0°
- Rain
- 41 mm · 7 d
- Sunshine
- 9.0 h/day
- Humidity
- 54%
- MarchTrès bien
17° / 5°
- Rain
- 57 mm · 9 d
- Sunshine
- 9.7 h/day
- Humidity
- 49%
- AprilIdéal
22° / 10°
- Rain
- 39 mm · 7 d
- Sunshine
- 10.9 h/day
- Humidity
- 42%
- MayIdéal
29° / 16°
- Rain
- 14 mm · 4 d
- Sunshine
- 12.1 h/day
- Humidity
- 30%
- JuneCorrect
35° / 22°
- Rain
- 2 mm · 1 d
- Sunshine
- 12.9 h/day
- Humidity
- 19%
- JulyCorrect
37° / 26°
- Rain
- 2 mm · 1 d
- Sunshine
- 12.9 h/day
- Humidity
- 20%
- AugustCorrect
36° / 24°
- Rain
- 1 mm · 0 d
- Sunshine
- 12.7 h/day
- Humidity
- 20%
- SeptemberIdéal
32° / 20°
- Rain
- 2 mm · 1 d
- Sunshine
- 11.3 h/day
- Humidity
- 23%
- OctoberIdéal
24° / 13°
- Rain
- 21 mm · 4 d
- Sunshine
- 10.2 h/day
- Humidity
- 37%
- NovemberTrès bien
15° / 5°
- Rain
- 42 mm · 7 d
- Sunshine
- 8.4 h/day
- Humidity
- 54%
- DecemberMitigé
11° / 1°
- Rain
- 39 mm · 6 d
- Sunshine
- 7.9 h/day
- Humidity
- 56%
2014–2023 averages from the ERA5 reanalysis (Copernicus) via Open-Meteo. A day counts as a “rainy day” from 1 mm of rain.
Our take, season by season
Spring (March to May)
Mild weather with highs around 23° and lows near 11°, a few showers (7 rainy days per month on average). It's a great time to go.
Summer (June to August)
Oppressive heat with highs around 36° and lows near 24°, almost always dry (0 rainy days per month on average). A decent time to go, as long as you're willing to make a few compromises.
Fall (September to November)
Mild weather with highs around 24° and lows near 13°, almost always dry (4 rainy days per month on average). It's a great time to go.
Frequently asked questions
- When is the best time to visit Téhéran?
- The best time to visit Téhéran is from March to Mayandfrom September to November, with highs between 15° and 32° and few rainy days.
- What is the hottest month in Téhéran?
- July is the hottest month, with an average high of 37 °C.
- What is the coldest month in Téhéran?
- January is the coldest month, with an average low of -1 °C.
- When does it rain the most in Téhéran?
- March is the wettest month (57 mm, about 9 rainy days). The driest is August (1 mm).
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