Tehran · WinterMonth summary
Tehran weather in January
⚠️ Fair
🌡️ Temperature min / max
0°C – 9°C
🌧 Rainy days
21% of days
☀️ Sunshine
9.2h per day on average
🌊 🌊 Season
Winter
⭐ ⭐ Weather score
5.6/10
📅 📅 Best month
May (8.8/10)
Quick decision
Should you visit Tehran in January?
⚠️ Fair
✅ Yes if: you enjoy winter atmosphere and the lowest prices of the year.
❌ No if: you're looking for sunshine or outdoor activities.
Our take: Not the best window: 21% rain risk and 9.2h of sunshine. May is much safer.
By trip type
Tehran in January by trip type
- 🏙️ 🏙️ City break / culture : ⚠️ Possible
- 🚶 🚶 Outdoor activities : ❌ Not recommended
- 🏖️ Beach / swimming : — No sea access
- 💰 💰 Budget : ✅ Low season
Local context
What to expect in January
🎯 Tourist low season — museums and monuments without queues Winter in Tehran is cool (9°C during the day). Days are short (9.2h of sunshine) but the city reveals a different side. Rain risk remains low (21% of days), leaving good room for outdoor activities. Not the best window, but acceptable if dates are constrained. May (8.8/10) is significantly better if possible.
Browse by month
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Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌫️ January | 0°C | 9°C | 21% | 1.3 | 9.2h | 5.6/10 |
| 🌫️ February | 2°C | 11°C | 26% | 1.5 | 10.0h | 6.2/10 |
| ⛅ March | 6°C | 17°C | 27% | 1.7 | 10.9h | 7.2/10 |
| 🌤️ April | 12°C | 24°C | 22% | 1.3 | 11.6h | 8.3/10 |
| ☀️ May | 17°C | 30°C | 13% | 0.5 | 12.8h | 8.8/10 |
| 🥵 June | 23°C | 36°C | 2% | 0.0 | 13.1h | 6.9/10 |
| 🥵 July | 26°C | 38°C | 2% | 0.0 | 13.0h | 6.9/10 |
| 🥵 August | 25°C | 36°C | 0% | 0.0 | 12.7h | 6.9/10 |
| ☀️ September | 21°C | 32°C | 1% | 0.1 | 11.1h | 8.3/10 |
| ☀️ October | 14°C | 25°C | 9% | 0.5 | 10.8h | 8.7/10 |
| ⛅ November | 7°C | 17°C | 19% | 1.1 | 9.3h | 7.2/10 |
| 🌫️ December | 2°C | 11°C | 18% | 1.2 | 9.0h | 6.4/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In January, Tehran averages 9°C, 21% rainy days and 9.2h of sunshine per day. Overall weather score: 5.6/10.
See methodology →
Comparison
January vs May (best month)
The best month is May (score 8.8/10). Difference:
- 🌡️ Max temperature : +21°C
- 🌧 Rainy days : -8%
- ☀️ Sunshine : +3.6h/day
FAQ
FAQ — Tehran in January
Is January a good time to visit Tehran?
January is an acceptable time for Tehran (score 5.6/10). Conditions are decent but not optimal — consider May (8.8/10) if possible.
What's the weather like in Tehran in January?
It's cool with 9°C daytime and 0°C at night. 9.2h of sunshine per day. Pack warm clothes and favour indoor visits.
Accommodation
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