Generally the best time to visit Iran is during the spring and autumn. There are ideal temperatures across most of Iran from March until May and then again from late September to early November. Meanwhile, winter is best avoided because temperatures can become very cold.
The below climate charts have been compiled by Weather2Travel.com. For an explanation to the various measurements, please read our climate notes.
The higher the level of heat and humidity the more uncomfortable you are likely to feel. Humidity is not an issue at temperatures below about 24C (75F), no matter how high the humidity.
Heat & humidity keyThe World Health Organisation recommends protective measures be taken for all UV values over 2.
UV keyView:
J | F | M | A | M | J | J | A | S | O | N | D | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Max temp (C)(F) | 948 | 1254 | 1763 | 2272 | 2882 | 3493 | 3799 | 3595 | 3188 | 2577 | 1763 | 1152 |
Min temp (C)(F) | -228 | –32 | 541 | 948 | 1457 | 1966 | 2272 | 2068 | 1559 | 948 | 439 | -130 |
Sunshine hours | 7 | 8 | 8 | 8 | 10 | 12 | 11 | 11 | 10 | 9 | 8 | 7 |
Daylight hours | 10 | 11 | 12 | 13 | 14 | 14 | 14 | 13 | 12 | 11 | 10 | 10 |
Rainfall (mm)(in) | 201 | 161 | 201 | 201 | 90 | 10 | 10 | –0 | –0 | 40 | 110 | 221 |
Rainy Days | 7 | 6 | 7 | 7 | 5 | 1 | 1 | 1 | 0 | 2 | 4 | 6 |
Humidity | M | M | H | VH | E | E | E | E | VH | H | M | M |
UV | 3/M | 5/M | 7/H | 10/VH | 11+/E | 11+/E | 11+/E | 11+/E | 10/VH | 7/H | 4/M | 3/M |
Sea temp (C)(F) | N/AN/A | N/AN/A | N/AN/A | N/AN/A | N/AN/A | N/AN/A | N/AN/A | N/AN/A | N/AN/A | N/AN/A | N/AN/A | N/AN/A |
J | F | M | A | M | J | J | A | S | O | N | D | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Max temp (C)(F) | 1254 | 1457 | 1966 | 2475 | 3086 | 3595 | 3697 | 3493 | 3188 | 2679 | 1966 | 1457 |
Min temp (C)(F) | -425 | -130 | 337 | 846 | 1254 | 1661 | 1763 | 1559 | 1050 | 541 | -130 | -327 |
Sunshine hours | 6 | 7 | 7 | 8 | 9 | 11 | 11 | 11 | 10 | 9 | 8 | 7 |
Daylight hours | 10 | 11 | 12 | 13 | 14 | 14 | 14 | 13 | 12 | 11 | 11 | 10 |
Rainfall (mm)(in) | 291 | 271 | 321 | 201 | 90 | –0 | 10 | 10 | –0 | 10 | 50 | 191 |
Rainy Days | 6 | 6 | 8 | 6 | 3 | 1 | 1 | 1 | 0 | 1 | 2 | 5 |
Humidity | M | H | VH | E | E | E | E | E | E | VH | M | M |
UV | 4/M | 6/H | 9/VH | 11/E | 11+/E | 11+/E | 11+/E | 11+/E | 11/E | 8/VH | 5/M | 4/M |
Sea temp (C)(F) | N/AN/A | N/AN/A | N/AN/A | N/AN/A | N/AN/A | N/AN/A | N/AN/A | N/AN/A | N/AN/A | N/AN/A | N/AN/A | N/AN/A |
J | F | M | A | M | J | J | A | S | O | N | D | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Max temp (C)(F) | 1254 | 1457 | 1864 | 2373 | 3086 | 3697 | 3799 | 3697 | 3391 | 2781 | 2068 | 1457 |
Min temp (C)(F) | -130 | 134 | 439 | 846 | 1355 | 1763 | 2068 | 1864 | 1457 | 846 | 337 | –32 |
Sunshine hours | 7 | 8 | 8 | 8 | 10 | 12 | 11 | 11 | 11 | 10 | 8 | 7 |
Daylight hours | 10 | 11 | 12 | 13 | 14 | 14 | 14 | 13 | 12 | 11 | 11 | 10 |
Rainfall (mm)(in) | 773 | 442 | 472 | 341 | 80 | –0 | 20 | –0 | –0 | 40 | 281 | 602 |
Rainy Days | 9 | 8 | 8 | 7 | 2 | 0 | 1 | 1 | 0 | 1 | 4 | 7 |
Humidity | M | H | VH | E | E | E | E | E | E | VH | M | M |
UV | 4/M | 6/H | 9/VH | 11/E | 11+/E | 11+/E | 11+/E | 11+/E | 11/E | 8/VH | 5/M | 4/M |
Sea temp (C)(F) | N/AN/A | N/AN/A | N/AN/A | N/AN/A | N/AN/A | N/AN/A | N/AN/A | N/AN/A | N/AN/A | N/AN/A | N/AN/A | N/AN/A |
J | F | M | A | M | J | J | A | S | O | N | D | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Avg temp (C)(F) | -228 | 133 | 744 | 1254 | 1762 | 2170 | 2577 | 2576 | 2068 | 1558 | 745 | 236 |
Sunshine hours | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Daylight hours | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Rainfall (mm)(in) | 30 | 20 | 30 | 30 | 10 | –0 | 10 | –0 | –0 | 10 | 30 | 50 |
Rainy Days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Humidity | – | – | – | – | – | – | – | – | – | – | – | – |
UV | – | – | – | – | – | – | – | – | – | – | – | – |
Sea temp (C)(F) | –– | –– | –– | –– | –– | –– | –– | –– | –– | –– | –– | –– |
J | F | M | A | M | J | J | A | S | O | N | D | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Max temp (C)(F) | 1254 | 1559 | 2068 | 2679 | 3290 | 38100 | 39102 | 38100 | 3493 | 2781 | 2068 | 1457 |
Min temp (C)(F) | -130 | 134 | 643 | 1254 | 1763 | 2272 | 2475 | 2170 | 1763 | 1152 | 439 | –32 |
Sunshine hours | 6 | 7 | 7 | 8 | 10 | 11 | 11 | 11 | 10 | 9 | 7 | 6 |
Daylight hours | 10 | 11 | 12 | 13 | 14 | 14 | 14 | 13 | 12 | 11 | 11 | 10 |
Rainfall (mm)(in) | 110 | 120 | 131 | 90 | 40 | –0 | –0 | –0 | –0 | 10 | 30 | 90 |
Rainy Days | 4 | 4 | 5 | 4 | 2 | 0 | 0 | 0 | 0 | 1 | 2 | 3 |
Humidity | M | M | VH | VH | E | E | E | E | VH | H | M | M |
UV | 4/M | 5/M | 8/VH | 10/VH | 11+/E | 11+/E | 11+/E | 11+/E | 10/VH | 7/H | 5/M | 4/M |
Sea temp (C)(F) | N/AN/A | N/AN/A | N/AN/A | N/AN/A | N/AN/A | N/AN/A | N/AN/A | N/AN/A | N/AN/A | N/AN/A | N/AN/A | N/AN/A |