December weather forecastMettet, Belgium
December weather for Mettet, Belgium: In Mettet, Belgium, in December, snow falls for 5.8 days, with typically accumulated 65mm (2.56") of snow. December, the first month of the winter in Mettet, is also an icy month, with an average temperature varying between 5.2°C (41.4°F) and 1.3°C (34.3°F).
December
Weather in December
December, the first month of the winter in Mettet, is also an icy month, with an average temperature varying between 5.2°C (41.4°F) and 1.3°C (34.3°F).Temperature
Mettet's weather in December involves a mild decrease in the average high-temperature, moving down slightly from November's frosty 8.7°C (47.7°F) to a wintry 5.2°C (41.4°F). Mettet, during December nights, witnesses an average temperature marginally cooler than its daytime highs, at 1.3°C (34.3°F).Humidity
December is the most humid month, with an average relative humidity of 91%.Rainfall
The month with the most rainfall is December, when the rain falls for 16 days and typically aggregates up to 71mm (2.8") of precipitation.Snowfall
January through April, October through December are months with snowfall. In Mettet, in December, during 5.8 snowfall days, 65mm (2.56") of snow is typically accumulated. Throughout the year, there are 27.2 snowfall days, and 247mm (9.72") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 6min of daylight.On the first day of the month, sunrise is at 08:20 and sunset at 16:41. On the last day of December, in Mettet, sunrise is at 08:41 and sunset at 16:47 CET.
Sunshine
January and December, with an average of 3.4h of sunshine, are months with the least sunshine in Mettet.UV index
The months with the lowest UV index in Mettet are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: In December, a regular UV index of 2 translates into these guidelines:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mettet, Belgium
- Average high temperature in December: 5.2°C
The warmest month (with the highest average high temperature) is July (21.9°C).
The month with the lowest average high temperature is January (3.9°C).
- Average low temperature in December: 1.3°C
The month with the highest average low temperature is August (12.4°C).
The coldest month (with the lowest average low temperature) is January (-0.2°C).
Average pressure in December
Mettet, Belgium
- Average pressure in December: 1017.1mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1013.1mbar).
Average wind speed in December
Mettet, Belgium
- Average wind speed in December: 17.4km/h
The windiest month (with the highest average wind speed) is December (17.4km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).
Average humidity in December
Mettet, Belgium
- Average humidity in December: 91%
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are April and August (79%).
Average rainfall in December
Mettet, Belgium
- Average rainfall in December: 71mm
The wettest month (with the highest rainfall) is December (71mm).
The driest month (with the least rainfall) is April (31mm).
Average rainfall days in December
Mettet, Belgium
- Average rainfall days in December: 16 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is February (12.4 days).
Average snowfall in December
Mettet, Belgium
- Average snowfall in December: 65mm
The month with the highest snowfall is January (68mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Mettet, Belgium
- Average snowfall days in December: 5.8 days
The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mettet, Belgium
- Average daylight in December: 8h and 6min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in December: 3h and 24min
The month with the most sunshine is July (Average sunshine: 8h and 54min).
The months with the least sunshine are January and December (Average sunshine: 3h and 24min).
Average sunshine days in December
Mettet, Belgium
- Average sunshine days in December: 9.4 days
The months with the most sunshine days are April and October (13.4 days).
The month with the least sunshine days is December (9.4 days).
Average UV index in December
Mettet, Belgium
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Mettet, Belgium
- Average cloud cover in December: 68
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 43).
Average visibility in December
Mettet, Belgium
- Average visibility in December: 8km
The months with the highest visibility are March, April and August (9km).
The months with the lowest visibility are January, February, May, June, July, September, October, November and December (8km).





