December weather forecastHerdersem, Belgium
December
Weather in December
The first month of the winter, December, is still a chilly month in Herdersem, Belgium, with an average temperature varying between 2.8°C (37°F) and 6.6°C (43.9°F).Temperature
A mild drop in Herdersem's average high-temperature is observed in December, transitioning from a cool 10°C (50°F) in November to a frosty 6.6°C (43.9°F). In Herdersem, a slight decrease from the daytime peak is noted during the month of December, with an average low-temperature of 2.8°C (37°F).Humidity
The most humid month is December, with an average relative humidity of 88%.Rainfall
December is the month with the most rainfall. Rain falls for 17.9 days and accumulates 59mm (2.32") of precipitation.Snowfall
Months with snowfall in Herdersem are January through March, November and December. In December, it is snowing for 2.4 days. Throughout December, 27mm (1.06") of snow is accumulated. In Herdersem, Belgium, during the entire year, snow falls for 12.5 days and aggregates up to 107mm (4.21") of snow.Daylight
With an average of 8h and 0min of daylight, December has the shortest days of the year.On the first day of December in Herdersem, sunrise is at 08:25 and sunset at 16:40. On the last day of the month, sunrise is at 08:46 and sunset at 16:47 CET.
Sunshine
The month with the least sunshine in Herdersem is December, with an average of 3.5h of sunshine.UV index
The months with the lowest UV index in Herdersem are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. To cut down UV radiation exposure by about half, sport a wide-brim hat. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Herdersem, Belgium
- Average high temperature in December: 6.6°C
The warmest month (with the highest average high temperature) is July (23.3°C).
The month with the lowest average high temperature is January (5.5°C).
- Average low temperature in December: 2.8°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in December
Herdersem, Belgium
- Average pressure in December: 1016.1mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1012.2mbar).
Average wind speed in December
Herdersem, Belgium
- Average wind speed in December: 17.3km/h
The windiest month (with the highest average wind speed) is December (17.3km/h).
The calmest month (with the lowest average wind speed) is August (11.7km/h).
Average humidity in December
Herdersem, Belgium
- Average humidity in December: 88%
The month with the highest relative humidity is December (88%).
The months with the lowest relative humidity are April, July and August (75%).
Average rainfall in December
Herdersem, Belgium
- Average rainfall in December: 59mm
The wettest month (with the highest rainfall) is December (59mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in December
Herdersem, Belgium
- Average rainfall days in December: 17.9 days
The month with the highest number of rainy days is December (17.9 days).
The month with the least rainy days is September (9.8 days).
Average snowfall in December
Herdersem, Belgium
- Average snowfall in December: 27mm
The month with the highest snowfall is January (36mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Herdersem, Belgium
- Average snowfall days in December: 2.4 days
The month with the highest number of snowfall days is February (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Herdersem, Belgium
- Average daylight in December: 8h and 0min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in December: 3h and 30min
The month with the most sunshine is June (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in December
Herdersem, Belgium
- Average sunshine days in December: 9.3 days
The month with the most sunshine days is September (18.7 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in December
Herdersem, Belgium
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Herdersem, Belgium
- Average cloud cover in December: 64
The month with the most cloud cover is December (Cloud cover 64).
The month with the least cloud cover is April (Cloud cover 43).
Average visibility in December
Herdersem, Belgium
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, November and December (8km).
