December weather forecastGrou, Netherlands
December
Weather in December
December, the first month of the winter in Grou, is still a chilly month, with an average temperature varying between 4.4°C (39.9°F) and 6.9°C (44.4°F).Temperature
December begins with an average high-temperature of a still frosty 6.9°C (44.4°F), reflecting close similarity to the preceding month. A consistent average low-temperature of 4.4°C (39.9°F), with a minor variance from the daytime highs, is noted during the nights of December.Humidity
With an average relative humidity of 85%, December is the most humid month.Rainfall
In Grou, Netherlands, in December, it is raining for 18.8 days, with typically 38mm (1.5") of accumulated precipitation. Throughout the year, there are 188.1 rainfall days, and 390mm (15.35") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Grou, in December, during 2.3 snowfall days, 9mm (0.35") of snow is typically accumulated. Throughout the year, in Grou, there are 11.8 snowfall days, and 43mm (1.69") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 7h and 42min of daylight.On the first day of the month, sunrise is at 08:28 and sunset at 16:23. On the last day of December, sunrise is at 08:50 and sunset at 16:29 CET.
Sunshine
December has the least sunshine of the year in Grou, Netherlands, with an average of 3.4h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Grou. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grou, Netherlands
- Average high temperature in December: 6.9°C
The warmest month (with the highest average high temperature) is August (20.3°C).
The months with the lowest average high temperature are January and February (5.3°C).
- Average low temperature in December: 4.4°C
The month with the highest average low temperature is August (15.2°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).
Average pressure in December
Grou, Netherlands
- Average pressure in December: 1013mbar
The month with the highest atmospheric pressure is May (1016.4mbar).
The month with the lowest atmospheric pressure is November (1010.7mbar).
Average wind speed in December
Grou, Netherlands
- Average wind speed in December: 26.8km/h
The windiest month (with the highest average wind speed) is December (26.8km/h).
The calmest month (with the lowest average wind speed) is July (17.2km/h).
Average humidity in December
Grou, Netherlands
- Average humidity in December: 85%
The month with the highest relative humidity is December (85%).
The months with the lowest relative humidity are April, May and August (79%).
Average rainfall in December
Grou, Netherlands
- Average rainfall in December: 38mm
The wettest month (with the highest rainfall) is August (46mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in December
Grou, Netherlands
- Average rainfall days in December: 18.8 days
The month with the highest number of rainy days is December (18.8 days).
The month with the least rainy days is April (11.1 days).
Average snowfall in December
Grou, Netherlands
- Average snowfall in December: 9mm
The months with the highest snowfall are January and February (15mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Grou, Netherlands
- Average snowfall days in December: 2.3 days
The month with the highest number of snowfall days is February (4.1 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
Grou, Netherlands
- Average daylight in December: 7h and 42min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in December: 3h and 24min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in December
Grou, Netherlands
- Average sunshine days in December: 7.1 days
The month with the most sunshine days is March (16.7 days).
The month with the least sunshine days is December (7.1 days).
Average UV index in December
Grou, Netherlands
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Grou, Netherlands
- Average cloud cover in December: 67
The month with the most cloud cover is December (Cloud cover 67).
The months with the least cloud cover are April and August (Cloud cover 39).
Average visibility in December
Grou, Netherlands
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January and December (9km).
