December weather forecastOnnen, Netherlands
December
Weather in December
December, the first month of the winter in Onnen, is still a chilly month, with an average temperature fluctuating between 2.7°C (36.9°F) and 6°C (42.8°F).Temperature
Start of December brings a slight shift in the average high-temperature, dipping a bit from November's chilly 9°C (48.2°F) to a still frosty 6°C (42.8°F). Onnen maintains a near steady average temperature of 2.7°C (36.9°F) during the nights of December, demonstrating little drop from daytime highs.Humidity
With an average relative humidity of 88%, December is the most humid month.Rainfall
In December, in Onnen, the rain falls for 17.5 days. Throughout December, 28mm (1.1") of precipitation is accumulated. In Onnen, during the entire year, the rain falls for 179 days and collects up to 336mm (13.23") of precipitation.Snowfall
Months with snowfall in Onnen are January through March, November and December. In December, in Onnen, Netherlands, it is snowing for 3.4 days. Throughout December, 12mm (0.47") of snow is accumulated. Throughout the year, in Onnen, there are 14.9 snowfall days, and 51mm (2.01") of snow is accumulated.Daylight
The month with the shortest days in Onnen is December, with an average of 7h and 36min of daylight.On the first day of the month, sunrise is at 08:25 and sunset at 16:19. On the last day of December, in Onnen, sunrise is at 08:47 and sunset at 16:25 CET.
Sunshine
December has the least sunshine of the year, with an average of 3.4h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In December, an average UV index of 2 transforms into the following instructions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Onnen, Netherlands
- Average high temperature in December: 6°C
The warmest month (with the highest average high temperature) is August (21.3°C).
The month with the lowest average high temperature is January (4.4°C).
- Average low temperature in December: 2.7°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is February (1°C).
Average pressure in December
Onnen, Netherlands
- Average pressure in December: 1013.4mbar
The months with the highest atmospheric pressure are May and September (1016.4mbar).
The month with the lowest atmospheric pressure is November (1011.1mbar).
Average wind speed in December
Onnen, Netherlands
- Average wind speed in December: 21.2km/h
The windiest month (with the highest average wind speed) is December (21.2km/h).
The calmest month (with the lowest average wind speed) is July (14km/h).
Average humidity in December
Onnen, Netherlands
- Average humidity in December: 88%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Onnen, Netherlands
- Average rainfall in December: 28mm
The wettest month (with the highest rainfall) is June (41mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in December
Onnen, Netherlands
- Average rainfall days in December: 17.5 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (11.5 days).
Average snowfall in December
Onnen, Netherlands
- Average snowfall in December: 12mm
The month with the highest snowfall is January (17mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Onnen, Netherlands
- Average snowfall days in December: 3.4 days
The month with the highest number of snowfall days is February (4.8 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
Onnen, Netherlands
- Average daylight in December: 7h and 36min
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 36min).
- Average sunshine in December: 3h and 24min
The month with the most sunshine is July (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in December
Onnen, Netherlands
- Average sunshine days in December: 9 days
The months with the most sunshine days are March and April (14.8 days).
The month with the least sunshine days is December (9 days).
Average UV index in December
Onnen, 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
Onnen, Netherlands
- Average cloud cover in December: 68
The month with the most cloud cover is December (Cloud cover 68).
The months with the least cloud cover are April and August (Cloud cover 41).
Average visibility in December
Onnen, Netherlands
- Average visibility in December: 9km
The months with the highest visibility are April and August (10km).
The months with the lowest visibility are January, February, March, May, June, July, September, October, November and December (9km).





