Worst time to visit Tehran
Some months in Tehran are clearly tougher for travel — extreme heat, cold, drenching rain, or peak storm season. Here's what to skip.
Months to avoid
| Month | Why |
|---|---|
| January | freezing (-1°C overnight) |
| March | very wet (16 rain days) |
| June | dangerously hot (avg 36°C / 96°F) |
| July | dangerously hot (avg 37°C / 99°F) |
| August | dangerously hot (avg 36°C / 96°F) |
| September | very hot (32°C / 89°F) |
What to expect in the worst months
June. Daytime highs averaging 36°C / 96°F mean outdoor sightseeing between roughly 11 a.m. and 4 p.m. becomes uncomfortable — locals retreat indoors and many smaller shops close in the afternoon.
July. Daytime highs averaging 37°C / 99°F mean outdoor sightseeing between roughly 11 a.m. and 4 p.m. becomes uncomfortable — locals retreat indoors and many smaller shops close in the afternoon.
August. Daytime highs averaging 36°C / 96°F mean outdoor sightseeing between roughly 11 a.m. and 4 p.m. becomes uncomfortable — locals retreat indoors and many smaller shops close in the afternoon.
Better times to go
Better months: October (24°C, 7 rain days)
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Better in the same region in June
If you're set on Middle East in June, these cities have more comfortable conditions in the same window:
If you still have to go — what to bring
- Heat: UPF-rated long-sleeve sun shirt, refillable insulated bottle, electrolyte tablets, lightweight wide-brim hat. Plan indoor activities for 11 a.m.–4 p.m.
- Cold: Merino base layer, insulated mid-layer, waterproof shell, grippy boots, hand warmers. Daylight is short — start mornings later, finish before sunset.
- Wet: Real rain shell (not a "water-resistant" jacket), packable umbrella, dry-bag for electronics, quick-dry layers. Pre-book indoor museums and food halls.
Related Tehran guides
The positive counterpart: which months are great and why.