Tehran · WinterMonth summary
Tehran weather in January
⚠️ Fair
🌡️ Temperature min / max
32°F – 48°F
🌧 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
Winter in Tehran is cool (9°F 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.
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Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌫️ January | 32°F | 48°F | 21% | 0.1in | 9.2h | 5.6/10 |
| 🌫️ February | 36°F | 52°F | 26% | 0.1in | 10.0h | 6.2/10 |
| ⛅ March | 43°F | 63°F | 27% | 0.1in | 10.9h | 7.2/10 |
| 🌤️ April | 54°F | 75°F | 22% | 0.1in | 11.6h | 8.3/10 |
| ☀️ May | 63°F | 86°F | 13% | 0.0in | 12.8h | 8.8/10 |
| 🥵 June | 73°F | 97°F | 2% | 0.0in | 13.1h | 6.9/10 |
| 🥵 July | 79°F | 100°F | 2% | 0.0in | 13.0h | 6.9/10 |
| 🥵 August | 77°F | 97°F | 0% | 0.0in | 12.7h | 6.9/10 |
| ☀️ September | 70°F | 90°F | 1% | 0.0in | 11.1h | 8.3/10 |
| ☀️ October | 57°F | 77°F | 9% | 0.0in | 10.8h | 8.7/10 |
| ⛅ November | 45°F | 63°F | 19% | 0.0in | 9.3h | 7.2/10 |
| 🌫️ December | 36°F | 52°F | 18% | 0.0in | 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 48°F, 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°F
- 🌧 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 48°F daytime and 32°F at night. 9.2h of sunshine per day. Pack warm clothes and favour indoor visits.
Accommodation
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