Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Start of December brings a slight shift in the average high-temperature, dipping a bit from November's chilly 9.4°C (48.9°F) to a still frosty 6°C (42.8°F). The low temperature average during December reflects a slight decrease to a wintry 2.5°C (36.5°F) from the day's peak.Humidity
December is the most humid month, with an average relative humidity of 88%.Rainfall
The months with the most rainfall in Riel are July, August and December, with an average 32mm (1.26") of precipitation.Snowfall
January through March, November and December are months with snowfall. In Riel, in December, during 3 snowfall days, 17mm (0.67") of snow is typically accumulated. In Riel, during the entire year, snow falls for 12.3 days and aggregates up to 79mm (3.11") of snow.Daylight
December has the shortest days of the year in Riel, with an average of 7h and 54min of daylight.On the first day of the month, sunrise is at 08:23 and sunset at 16:34. On the last day of December, sunrise is at 08:45 and sunset at 16:40 CET.
Sunshine
The month with the least sunshine is December, 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 Riel. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
How cold does it get in Riel in December?
What is the most humid month in Riel?
What is the average humidity in December in Riel?
What is the rainiest month in Riel?
How many days does it rain in December in Riel?
How many days does it snow in December in Riel?
What is the month with the shortest days in Riel?
How many hours of daylight does Riel have in December?
When are sunrise and sunset in December in Riel?
What is the month with the least sunshine in Riel?
How many hours of sunshine does Riel have in December?
What is the month with the lowest UV index in Riel?
What is the UV index intensity in December in Riel?
Average temperature in December
Riel, Netherlands
- Average high temperature in December: 6°C
The warmest months (with the highest average high temperature) are July and August (23.1°C).
The month with the lowest average high temperature is January (4.9°C).
- Average low temperature in December: 2.5°C
The month with the highest average low temperature is August (14.3°C).
The coldest months (with the lowest average low temperature) are January and February (1.3°C).
Average pressure in December
Riel, Netherlands
- Average pressure in December: 1015.7mbar
The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed in December
Riel, Netherlands
- Average wind speed in December: 17.5km/h
The windiest month (with the highest average wind speed) is December (17.5km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).
Average humidity in December
Riel, 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 (73%).
Average rainfall in December
Riel, Netherlands
- Average rainfall in December: 32mm
The wettest months (with the highest rainfall) are July, August and December (32mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in December
Riel, Netherlands
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is July (15.4 days).
The month with the least rainy days is February (10.8 days).
Average snowfall in December
Riel, Netherlands
- Average snowfall in December: 17mm
The month with the highest snowfall is February (32mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Riel, Netherlands
- Average snowfall days in December: 3 days
The month with the highest number of snowfall days is February (4.3 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
Riel, Netherlands
- Average daylight in December: 7h and 5min
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 2min
The months with the most sunshine are July and August (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in December
Riel, Netherlands
- Average sunshine days in December: 13 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is February (12.3 days).
Average UV index in December
Riel, 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, November and December (UV index 2).
Average cloud cover in December
Riel, 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 42).
Average visibility in December
Riel, Netherlands
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Riel, Netherlands
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