December weather forecastGroot Valkenisse, Netherlands
December
Weather in December
The first month of the winter, December, is also a frosty month in Groot Valkenisse, Netherlands, with an average temperature varying between 5.2°C (41.4°F) and 7.8°C (46°F).Temperature
Groot Valkenisse marks the onset of December with an average high-temperature of a chilly 7.8°C (46°F), a subtle shift from November's 10.6°C (51.1°F). December introduces a small decrease to a nighttime average of 5.2°C (41.4°F).Humidity
January and December, with an average relative humidity of 83%, are the most humid months.Rainfall
In December, in Groot Valkenisse, the rain falls for 19.3 days. Throughout December, 71mm (2.8") of precipitation is accumulated. In Groot Valkenisse, during the entire year, the rain falls for 198.8 days and collects up to 634mm (24.96") of precipitation.Snowfall
January through March, November and December are months with snowfall. In Groot Valkenisse, in December, during 1.7 snowfall days, 16mm (0.63") of snow is typically accumulated. Throughout the year, in Groot Valkenisse, there are 8.8 snowfall days, and 61mm (2.4") of snow is accumulated.Daylight
December has the shortest days of the year in Groot Valkenisse, with an average of 7h and 54min of daylight.On the first day of the month, sunrise is at 08:29 and sunset at 16:40. On the last day of December, sunrise is at 08:51 and sunset at 16:46 CET.
Sunshine
The month with the least sunshine is December, with an average of 3.7h of sunshine.UV index
The months with the lowest UV index in Groot Valkenisse are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Groot Valkenisse, Netherlands
- Average high temperature in December: 7.8°C
The warmest month (with the highest average high temperature) is August (20.8°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in December: 5.2°C
The month with the highest average low temperature is August (16.2°C).
The coldest months (with the lowest average low temperature) are January and February (3.4°C).
Average pressure in December
Groot Valkenisse, Netherlands
- Average pressure in December: 1015.2mbar
The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1011.6mbar).
Average wind speed in December
Groot Valkenisse, Netherlands
- Average wind speed in December: 25.1km/h
The windiest month (with the highest average wind speed) is December (25.1km/h).
The calmest months (with the lowest average wind speed) are April and July (16.7km/h).
Average humidity in December
Groot Valkenisse, Netherlands
- Average humidity in December: 83%
The months with the highest relative humidity are January and December (83%).
The months with the lowest relative humidity are April, August and September (76%).
Average rainfall in December
Groot Valkenisse, Netherlands
- Average rainfall in December: 71mm
The wettest month (with the highest rainfall) is August (73mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in December
Groot Valkenisse, Netherlands
- Average rainfall days in December: 19.3 days
The month with the highest number of rainy days is December (19.3 days).
The month with the least rainy days is April (12.8 days).
Average snowfall in December
Groot Valkenisse, Netherlands
- Average snowfall in December: 16mm
The months with the highest snowfall are January and February (20mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Groot Valkenisse, Netherlands
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is January (3 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
Groot Valkenisse, Netherlands
- Average daylight in December: 7h and 54min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in December: 3h and 42min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in December
Groot Valkenisse, Netherlands
- Average sunshine days in December: 7.2 days
The month with the most sunshine days is March (14.7 days).
The month with the least sunshine days is December (7.2 days).
Average UV index in December
Groot Valkenisse, Netherlands
- 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 and December (UV index 2).
Average cloud cover in December
Groot Valkenisse, Netherlands
- Average cloud cover in December: 64
The month with the most cloud cover is December (Cloud cover 64).
The months with the least cloud cover are April and August (Cloud cover 39).
Average visibility in December
Groot Valkenisse, Netherlands
- Average visibility in December: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).
