Common information
CountryLatvia
Population8 656
Weather, climate, temperature by months in Preili
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 27 | 22 | 12 | 10 | 7 | 12 | 17 | 25 | 30 | 30 | 30 | 30 | 30 |
| Average high, °C | 15 | 8 | 2 | -1 | -3 | -2 | 2 | 9 | 17 | 20 | 21 | 20 | 9 |
| Average temperature, °C | 11 | 6 | 1 | -3 | -5 | -5 | 0 | 5 | 12 | 15 | 16 | 16 | 6 |
| Average low, °C | 7 | 3 | 0 | -5 | -7 | -8 | -3 | 1 | 6 | 10 | 12 | 11 | 2 |
| Record low, °C | -4 | -11 | -16 | -37 | -33 | -32 | -26 | -12 | -2 | 1 | 3 | 0 | -37 |
| Rain, days | 15 | 14 | 14 | 10 | 7 | 5 | 9 | 11 | 11 | 13 | 14 | 12 | 135 |
| Snow, days | 0 | 2 | 10 | 18 | 18 | 14 | 10 | 4 | 0 | 0 | 0 | 0 | 76 |
| Fog, days | 24 | 26 | 25 | 25 | 25 | 23 | 25 | 24 | 22 | 23 | 26 | 27 | 295 |
| Thunderstorms, days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 3 | 2 | 11 |
| Average precipitation, mm. | 63 | 54 | 48 | 42 | 35 | 32 | 33 | 40 | 56 | 70 | 81 | 79 | 633 |
| Relative humidity, % | 82 | 85 | 88 | 88 | 86 | 84 | 80 | 74 | 69 | 72 | 75 | 78 | 80 |
| Relative humidity morning, % | 94 | 92 | 91 | 90 | 88 | 87 | 88 | 88 | 89 | 92 | 94 | 95 | 91 |
| Relative humidity evening, % | 68 | 74 | 83 | 86 | 83 | 76 | 68 | 57 | 53 | 58 | 62 | 61 | 69 |
| Wind speed, km/h | 14 | 14 | 14 | 14 | 16 | 14 | 12 | 14 | 12 | 14 | 12 | 12 | 14 |
| Monthly sunshine, часов | 159 | 95 | 39 | 28 | 42 | 70 | 135 | 182 | 263 | 273 | 274 | 244 | 1804 |
| Day Length, часов | 13 | 11 | 9 | 8 | 9 | 10 | 13 | 15 | 17 | 19 | 18 | 16 | 13 |
| Dew point, °C | 7 | 3 | 0 | -5 | -7 | -7 | -4 | 0 | 6 | 10 | 12 | 11 | 26 |
| Growing degree-day, °C | 42 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 60 | 158 | 207 | 181 | 648 |
| Solar radiation, global, Mj/m2 | 10 | 5 | 3 | 2 | 2 | 5 | 10 | 14 | 19 | 19 | 18 | 16 | 10 |