Common information
CountryFinland
Population35 960
Weather, climate, temperature by months in Lohja
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 25 | 17 | 10 | 8 | 7 | 10 | 12 | 21 | 27 | 30 | 31 | 31 | 31 |
| Average high, °C | 13 | 7 | 2 | -1 | -3 | -2 | 1 | 7 | 15 | 18 | 21 | 18 | 8 |
| Average temperature, °C | 10 | 5 | 0 | -3 | -5 | -6 | -2 | 3 | 10 | 13 | 16 | 15 | 5 |
| Average low, °C | 6 | 2 | -2 | -6 | -8 | -9 | -5 | 0 | 5 | 9 | 11 | 10 | 1 |
| Record low, °C | -7 | -12 | -20 | -32 | -36 | -30 | -26 | -11 | -3 | -1 | 4 | 1 | -36 |
| Rain, days | 6 | 6 | 5 | 5 | 4 | 3 | 3 | 4 | 5 | 4 | 6 | 7 | 58 |
| Snow, days | 0 | 1 | 6 | 13 | 15 | 13 | 12 | 5 | 0 | 0 | 0 | 0 | 65 |
| Fog, days | 17 | 16 | 15 | 13 | 15 | 16 | 18 | 14 | 13 | 14 | 18 | 19 | 188 |
| Thunderstorms, days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 5 | 4 | 16 |
| Average precipitation, mm. | 60 | 60 | 60 | 50 | 40 | 30 | 30 | 30 | 40 | 40 | 60 | 70 | 570 |
| Relative humidity, % | 80 | 85 | 90 | 90 | 90 | 90 | 80 | 70 | 65 | 70 | 70 | 75 | 80 |
| Relative humidity morning, % | 93 | 91 | 90 | 89 | 88 | 89 | 89 | 87 | 84 | 85 | 90 | 93 | 89 |
| Relative humidity evening, % | 72 | 80 | 88 | 88 | 87 | 82 | 74 | 59 | 51 | 55 | 59 | 66 | 72 |
| Wind speed, km/h | 9 | 9 | 19 | 20 | 12 | 12 | 19 | 16 | 16 | 16 | 14 | 16 | 15 |
| Day Length, часов | 14 | 11 | 8 | 7 | 8 | 10 | 13 | 16 | 19 | 21 | 19 | 16 | 13 |
| Dew point, °C | 6 | 2 | -1 | -5 | -7 | -7 | -5 | -1 | 3 | 7 | 11 | 11 | 14 |
| Growing degree-day, °C | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 125 | 198 | 146 | 470 |
| Atmosphere pressure, bar | 1013 | 1013 | 1010 | 1010 | 1012 | 1014 | 1014 | 1013 | 1015 | 1013 | 1011 | 1013 | 12149 |
| Solar radiation, global, Mj/m2 | 9 | 4 | 2 | 1 | 1 | 4 | 9 | 14 | 19 | 20 | 19 | 15 | 10 |