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.
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 |
Nearest destinations
Karaj: questions and answers
What kind of destination is Karaj?
Karaj is a city break in Iran at 1,268 m elevation with a semi-arid climate.
How many hours of sunshine does Karaj get a year?
Karaj gets about 3,279 hours of sunshine a year, at its best around May.
When is the best time to visit Karaj?
The sunniest time to visit Karaj is May, when the Sunshine Score peaks at 95/100 (with September and April close behind). Expect daytime highs around 27°C / 81°F.
What is the least sunny month in Karaj?
January is the least sunny month in Karaj, scoring 0/100 with about 41 mm of rain.
How strong is the sun in Karaj?
The typical midday UV index in Karaj peaks around 11 (extreme) in June, easing to about 2 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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