Common information
CountryIceland
Population2 624
Weather, climate, temperature by months in Isafjoerdur
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 13 | 12 | 12 | 11 | 10 | 8 | 8 | 15 | 17 | 22 | 22 | 17 | 22 |
| Average high, °C | 8 | 5 | 2 | 1 | 0 | 1 | 1 | 3 | 7 | 10 | 12 | 11 | 5 |
| Average temperature, °C | 7 | 4 | 1 | 0 | -1 | 0 | 0 | 1 | 5 | 8 | 10 | 10 | 4 |
| Average low, °C | 5 | 2 | 0 | -2 | -2 | -2 | -1 | 0 | 3 | 6 | 8 | 8 | 2 |
| Record low, °C | -2 | -6 | -10 | -15 | -14 | -11 | -12 | -12 | -6 | -1 | 3 | 2 | -15 |
| Fog, days | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 2 | 3 | 2 | 2 | 1 | 14 |
| Average precipitation, mm. | 60 | 70 | 70 | 60 | 70 | 60 | 50 | 40 | 30 | 30 | 30 | 40 | 610 |
| Relative humidity, % | 82 | 79 | 80 | 78 | 75 | 77 | 76 | 79 | 77 | 82 | 83 | 81 | 79 |
| Relative humidity morning, % | 82 | 81 | 79 | 75 | 76 | 79 | 79 | 81 | 82 | 82 | 84 | 84 | 80 |
| Relative humidity evening, % | 75 | 79 | 81 | 79 | 80 | 80 | 78 | 76 | 75 | 75 | 77 | 77 | 78 |
| Wind speed, km/h | 19 | 20 | 20 | 22 | 20 | 20 | 22 | 20 | 19 | 19 | 17 | 19 | 20 |
| Day Length, часов | 14 | 10 | 7 | 5 | 6 | 9 | 13 | 16 | 21 | 23 | 21 | 18 | 14 |
| Dew point, °C | 3 | 1 | -1 | -3 | -4 | -3 | -3 | -1 | 2 | 4 | 7 | 6 | 8 |
| Growing degree-day, °C | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 17 |
| Solar radiation, global, Mj/m2 | 8 | 3 | 1 | 0 | 0 | 2 | 5 | 11 | 16 | 18 | 16 | 13 | 8 |