Brussels
Belgium
Common information
- Country
- Belgium
- Population
- 15,810
Weather, climate, temperature by months in Boom
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 30 | 25 | 17 | 16 | 16 | 18 | 22 | 24 | 30 | 33 | 35 | 36 | 36 |
| Average high, °C | 18 | 14 | 9 | 6 | 5 | 6 | 9 | 12 | 17 | 20 | 21 | 22 | 13 |
| Average temperature, °C | 15 | 11 | 6 | 4 | 3 | 3 | 6 | 8 | 12 | 15 | 17 | 17 | 10 |
| Average low, °C | 10 | 7 | 3 | 2 | 0 | 0 | 2 | 4 | 8 | 11 | 13 | 12 | 6 |
| Record low, °C | 0 | -3 | -7 | -13 | -16 | -12 | -6 | -4 | -1 | 0 | 6 | 6 | -16 |
| Rain, days | 17 | 18 | 19 | 21 | 20 | 13 | 20 | 19 | 19 | 18 | 18 | 16 | 218 |
| Snow, days | 0 | 0 | 1 | 3 | 6 | 5 | 3 | 1 | 0 | 0 | 0 | 0 | 19 |
| Fog, days | 19 | 19 | 17 | 18 | 17 | 18 | 16 | 15 | 15 | 15 | 13 | 17 | 199 |
| Thunderstorms, days | 2 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 4 | 4 | 4 | 3 | 22 |
| Average precipitation, mm. | 80 | 70 | 60 | 60 | 60 | 40 | 50 | 40 | 40 | 70 | 80 | 80 | 730 |
| Relative humidity, % | 80 | 85 | 90 | 90 | 85 | 85 | 80 | 75 | 75 | 75 | 75 | 75 | 81 |
| Relative humidity morning, % | 93 | 92 | 90 | 90 | 89 | 89 | 89 | 89 | 89 | 90 | 90 | 92 | 90 |
| Relative humidity evening, % | 68 | 73 | 79 | 82 | 81 | 73 | 70 | 62 | 62 | 63 | 64 | 61 | 70 |
| Wind speed, km/h | 16 | 16 | 17 | 17 | 19 | 17 | 19 | 9 | 9 | 16 | 16 | 14 | 15 |
| Day Length, часов | 13 | 11 | 10 | 9 | 9 | 11 | 13 | 15 | 16 | 17 | 17 | 15 | 13 |
| Dew point, °C | 11 | 8 | 4 | 2 | 1 | 0 | 2 | 3 | 8 | 11 | 13 | 12 | 75 |
| Growing degree-day, °C | 142 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 86 | 175 | 233 | 233 | 894 |
| Solar radiation, global, Mj/m2 | 10 | 6 | 3 | 2 | 3 | 5 | 9 | 13 | 18 | 18 | 18 | 16 | 10 |