Karaj weather by month & the best time to visit
🇮🇷 Iran · city break · semi-arid climate
The best time to visit Karaj is May — its sunniest month (Sunshine Score 95/100), with September and April close behind. Karaj averages about 3,279 hours of sunshine a year. Daytime highs around 27°C / 81°F and roughly 20 mm of rain in May.
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- Sun hours / year
- 3,279
- Sunniest month
- May
- Peak score
- 95/100
- Rain / year
- 426 mm
- Snow / year
- ≈1.1 m
- Midday UV at peak
- 11 (extreme)
- Population
- 1.4M
- Elevation
- 1,268 m
When is the best time to visit Karaj?
For sunshine, the best time to visit Karaj is May, then September and April. The dullest month is January (0/100, 41 mm of rain). The full month-by-month picture is in the table below.
How sunny is Karaj?
Karaj is one of the sunniest places on Earth: about 3,279 hours of sunshine a year. 95 Sunshine Score points separate May (95) from January (0), so the month you pick matters. It ranks #30 of 42 destinations in Iran for annual sunshine, below the national median of 3,415 hours. The year's 426 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | 7° / 45°F | -3° / 27°F | 41 mm | 2 |
| February | 8 | 9° / 48°F | -2° / 28°F | 43 mm | 3 |
| March | 53 | 15° / 59°F | 3° / 37°F | 44 mm | 5 |
| April | 90 | 20° / 68°F | 7° / 45°F | 48 mm | 7 |
| May | 95 | 27° / 81°F | 13° / 55°F | 20 mm | 9 |
| June | 87 | 33° / 91°F | 18° / 64°F | 11 mm | 11 |
| July | 58 | 36° / 97°F | 21° / 70°F | 11 mm | 10 |
| August | 67 | 35° / 95°F | 20° / 68°F | 15 mm | 10 |
| September | 93 | 30° / 86°F | 16° / 61°F | 28 mm | 8 |
| October | 88 | 23° / 73°F | 10° / 50°F | 57 mm | 5 |
| November | 36 | 13° / 55°F | 3° / 37°F | 61 mm | 3 |
| December | 0 | 8° / 46°F | -1° / 30°F | 47 mm | 2 |
See Karaj on the interactive sunshine globe →
Nearby places for sunshine
- Tehran Iran · 50 km · best in May · 3,219 h sun/yr
- Rasht Iran · 203 km · best in May · 1,915 h sun/yr
- Sari Iran · 233 km · best in May · 2,451 h sun/yr
- Isfahan Iran · 350 km · best in Sep · 3,689 h sun/yr
- Kermanshah Iran · 370 km · best in May · 3,357 h sun/yr
- Tabriz Iran · 485 km · best in Sep · 2,916 h sun/yr
Nearest destinations
- Nowshahr Iran · 114 km · 2,200 h sun/yr · best in May
- Ramsar Iran · 126 km · 2,569 h sun/yr · best in May
- Kashan Iran · 220 km · 3,520 h sun/yr · best in Oct
- Hamadan Iran · 229 km · 3,365 h sun/yr · best in Sep
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