Common information
CountryIran
Population39 065
Weather, climate, temperature by months in Astara
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 33 | 32 | 32 | 25 | 26 | 26 | 28 | 28 | 33 | 36 | 37 | 36 | 37 |
| Average high, °C | 26 | 19 | 14 | 11 | 8 | 8 | 11 | 17 | 22 | 27 | 30 | 29 | 18 |
| Average temperature, °C | 22 | 17 | 12 | 8 | 5 | 5 | 8 | 13 | 18 | 23 | 26 | 25 | 15 |
| Average low, °C | 18 | 13 | 8 | 4 | 2 | 3 | 5 | 9 | 14 | 19 | 21 | 21 | 12 |
| Record low, °C | 7 | 1 | -3 | -13 | -15 | -12 | -7 | -2 | 5 | 7 | 10 | 12 | -15 |
| Rain, days | 10 | 11 | 9 | 7 | 7 | 7 | 11 | 10 | 6 | 4 | 2 | 3 | 87 |
| Fog, days | 0 | 0 | 0 | 0 | 3 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 10 |
| Average precipitation, mm. | 34 | 104 | 53 | 27 | 55 | 30 | 26 | 52 | 48 | 27 | 19 | 45 | 520 |
| Relative humidity, % | 76 | 81 | 81 | 77 | 81 | 83 | 83 | 77 | 78 | 72 | 66 | 71 | 77 |
| Wind speed, km/h | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 |
| Day Length, часов | 13 | 12 | 11 | 10 | 10 | 11 | 12 | 14 | 15 | 15 | 15 | 14 | 13 |
| Dew point, °C | 17 | 14 | 9 | 4 | 2 | 2 | 5 | 9 | 14 | 17 | 19 | 19 | 131 |
| Growing degree-day, °C | 201 | 53 | 0 | 155 | 0 | 0 | 87 | 234 | 397 | 468 | 465 | 363 | 2422 |
| Solar radiation, global, Mj/m2 | 15 | 10 | 7 | 6 | 7 | 9 | 12 | 16 | 20 | 24 | 23 | 20 | 14 |