Common information
CountryIreland
Population16 901
Weather, climate, temperature by months in Letterkenny
Season | Autumn | Winter | Spring | Summer | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
Record high, °C | 24 | 20 | 16 | 14 | 13 | 13 | 19 | 20 | 25 | 28 | 29 | 27 | 29 |
Average high, °C | 17 | 13 | 10 | 7 | 7 | 8 | 10 | 12 | 15 | 17 | 19 | 19 | 13 |
Average temperature, °C | 13 | 10 | 7 | 4 | 4 | 5 | 6 | 8 | 11 | 13 | 15 | 15 | 9 |
Average low, °C | 9 | 6 | 3 | 1 | 1 | 1 | 2 | 4 | 6 | 9 | 11 | 11 | 5 |
Record low, °C | -2 | -4 | -6 | -10 | -12 | -11 | -12 | -4 | -3 | -1 | 2 | 1 | -12 |
Rain, days | 15 | 18 | 18 | 18 | 19 | 15 | 17 | 14 | 14 | 13 | 14 | 15 | 188 |
Snow, days | 0 | 0 | 1 | 4 | 5 | 5 | 3 | 2 | 0 | 0 | 0 | 0 | 20 |
Fog, days | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 2 | 2 | 1 | 10 |
Thunderstorms, days | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 6 |
Average precipitation, mm. | 102 | 119 | 114 | 104 | 114 | 76 | 86 | 56 | 58 | 66 | 71 | 91 | 1057 |
Relative humidity, % | 83 | 86 | 89 | 90 | 90 | 85 | 81 | 76 | 73 | 76 | 79 | 82 | 83 |
Relative humidity morning, % | 83 | 83 | 83 | 83 | 83 | 82 | 82 | 80 | 79 | 82 | 84 | 83 | 82 |
Relative humidity evening, % | 78 | 78 | 80 | 81 | 81 | 77 | 77 | 76 | 76 | 79 | 81 | 80 | 78 |
Wind speed, km/h | 11 | 12 | 13 | 14 | 16 | 16 | 16 | 13 | 12 | 12 | 11 | 10 | 13 |
Day Length, часов | 13 | 11 | 9 | 8 | 9 | 10 | 13 | 15 | 17 | 18 | 18 | 16 | 13 |
Dew point, °C | 13 | 8 | 6 | 4 | 3 | 3 | 5 | 6 | 7 | 9 | 12 | 12 | 88 |
Growing degree-day, °C | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 99 | 147 | 143 | 84 | 488 |
Solar radiation, global, Mj/m2 | 11 | 6 | 3 | 1 | 2 | 5 | 9 | 14 | 19 | 19 | 18 | 15 | 10 |