When to visit Tehran?
The decision rests on several criteria. Climate score, tourist crowds and feasible activities.
What you grasp in 5 seconds
Tehran offers 6 comfortable months, with 1 months to avoid (July). The gap is sharp: 8.9 in May vs 3.6 in July.
What to check next
Your tolerance for crowds and budget. The best months concentrate tourist saturation and higher prices. Shoulder seasons offer a good compromise.
Next action
Scroll down to the detailed table to compare month by month, then open the page of the month that interests you.
How we calculate the score
The score combines 4 weighted criteria using 10 years of real climate data (ERA5).
Source : ERA5 · Open-Meteo · 10 years (2016–2025) · Full methodology →
Compare all 12 months
Month-by-month details: temperature, rain, sunshine, score and verdict.
| Month | T° min | T° max | Rain % | mm/day | Sun | Score | Verdict |
|---|---|---|---|---|---|---|---|
| 🌥️ January → | 32°F | 48°F | 15% | 1.3mm | 5.1h | 4.2/10 | Decent period |
| 🌥️ February → | 36°F | 52°F | 19% | 1.5mm | 6.1h | 4.3/10 | Decent period |
| ⛅ March → | 43°F | 63°F | 19% | 1.7mm | 6.4h | 7.4/10 | Best period |
| ☀️ April → | 54°F | 75°F | 17% | 1.3mm | 7.1h | 8.3/10 | Best period |
| ☀️ May → | 63°F | 86°F | 12% | 0.5mm | 9.0h | 8.9/10 | Best period |
| 🌥️ June → | 73°F | 97°F | 3% | 0.0mm | 11.4h | 5.1/10 | Decent period |
| 🌧️ July → | 79°F | 100°F | 2% | 0.0mm | 11.1h | 3.6/10 | Tough conditions |
| 🌥️ August → | 77°F | 97°F | 1% | 0.0mm | 11.2h | 5.2/10 | Decent period |
| ☀️ September → | 70°F | 90°F | 1% | 0.1mm | 10.3h | 8.9/10 | Best period |
| ☀️ October → | 57°F | 77°F | 8% | 0.5mm | 8.3h | 8.8/10 | Best period |
| ⛅ November → | 45°F | 63°F | 16% | 1.1mm | 6.0h | 7.4/10 | Best period |
| 🌥️ December → | 36°F | 52°F | 17% | 1.2mm | 4.7h | 4.3/10 | Decent period |
Tehran week by week: your odds of avoiding rain
For each week of the year: in how many years out of 10 it was mostly dry (at most 2 rainy days), 2016 to 2025.
Safest week: Jul 2 to Jul 8, mostly dry in 10 years out of 10 (0.0 rainy day(s) on average).
Most exposed: Mar 19 to Mar 25, mostly dry in 6 years out of 10 (2.1 rainy days on average).
| Jan | Jan 110/1049°F | Jan 88/1050°F | Jan 1510/1049°F | Jan 228/1048°F | Jan 299/1047°F |
|---|---|---|---|---|---|
| Feb | Feb 57/1051°F | Feb 128/1053°F | Feb 199/1055°F | Feb 2610/1057°F | |
| Mar | Mar 58/1061°F | Mar 128/1064°F | Mar 196/1064°F | Mar 267/1066°F | |
| Apr | Apr 29/1071°F | Apr 98/1073°F | Apr 169/1074°F | Apr 239/1078°F | Apr 308/1079°F |
| May | May 78/1082°F | May 1410/1085°F | May 2110/1089°F | May 289/1092°F | |
| Jun | Jun 410/1094°F | Jun 1110/1096°F | Jun 1810/1097°F | Jun 2510/1099°F | |
| Jul | Jul 210/1099°F | Jul 99/10100°F | Jul 1610/10101°F | Jul 2310/10102°F | Jul 3010/10100°F |
| Aug | Aug 610/10100°F | Aug 1310/1097°F | Aug 2010/1096°F | Aug 2710/1094°F | |
| Sep | Sep 310/1095°F | Sep 1010/1091°F | Sep 1710/1089°F | Sep 2410/1086°F | |
| Oct | Oct 110/1081°F | Oct 810/1079°F | Oct 1510/1077°F | Oct 228/1072°F | Oct 2910/1071°F |
| Nov | Nov 58/1065°F | Nov 128/1061°F | Nov 198/1056°F | Nov 269/1057°F | |
| Dec | Dec 38/1053°F | Dec 109/1051°F | Dec 177/1051°F | Dec 248/1051°F |
A specific date? The app computes the same figure day by day.
Annual temperatures — Tehran
Min/max temperature curves observed over the past 10 years (ERA5). Shows climate stability and trend.
For your trip
A few angles depending on what kind of trip you are planning.
Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
🎟️ Activities & tours · Tehran
GetYourGuide selection · free cancellation
What you need to know before you go
Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a city break.
Country · Iran
🌡️ Climate
🏛️ City break
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