December weather forecastRoer, Netherlands
December
Weather in December
The first month of the winter, December, is still a chilly month in Roer, Netherlands, with an average temperature ranging between max 6°C (42.8°F) and min 2.2°C (36°F).Temperature
As December begins, there is a minor decrease in the average high-temperature, softly falling from a chilly 9.6°C (49.3°F) in November to a still frosty 6°C (42.8°F). Roer reports an average low temperature of 2.2°C (36°F) in December, a minor decrease from the day's highs.Humidity
December is the most humid month, with an average relative humidity of 87%.Rainfall
In December, the rain falls for 7.4 days. Throughout December, 11mm (0.43") of precipitation is accumulated. In Roer, during the entire year, the rain falls for 85.6 days and collects up to 112mm (4.41") of precipitation.Snowfall
January through March and December are months with snowfall in Roer. December is the first month it typically snows in Roer. Throughout December, in the average 2.8 snowfall days, it receives 6mm (0.24") of snow. In Roer, Netherlands, during the entire year, snow falls for 10.6 days and aggregates up to 25mm (0.98") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 0min of daylight.On the first day of December, sunrise is at 08:18 and sunset at 16:32. On the last day of the month, sunrise is at 08:39 and sunset at 16:38 CET.
Sunshine
The month with the least sunshine is December, with an average of 3.8h of sunshine.UV index
The months with the lowest UV index in Roer are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The average daily UV index of 2 in December transforms into the following instructions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Roer, Netherlands
- Average high temperature in December: 6°C
The warmest months (with the highest average high temperature) are July and August (23.2°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in December: 2.2°C
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in December
Roer, Netherlands
- Average pressure in December: 1016.2mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1012.8mbar).
Average wind speed in December
Roer, 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 months (with the lowest average wind speed) are July and August (11.3km/h).
Average humidity in December
Roer, Netherlands
- Average humidity in December: 87%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Roer, Netherlands
- Average rainfall in December: 11mm
The wettest month (with the highest rainfall) is February (12mm).
The driest month (with the least rainfall) is April (5mm).
Average rainfall days in December
Roer, Netherlands
- Average rainfall days in December: 7.4 days
The month with the highest number of rainy days is May (9.1 days).
The month with the least rainy days is April (5.6 days).
Average snowfall in December
Roer, Netherlands
- Average snowfall in December: 6mm
The month with the highest snowfall is February (9mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Roer, Netherlands
- Average snowfall days in December: 2.8 days
The month with the highest number of snowfall days is February (3.2 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
Roer, Netherlands
- Average daylight in December: 8h and 0min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in December: 3h and 48min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in December
Roer, Netherlands
- Average sunshine days in December: 19.9 days
The month with the most sunshine days is October (23.2 days).
The month with the least sunshine days is June (17.8 days).
Average UV index in December
Roer, 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
Roer, Netherlands
- Average cloud cover in December: 62
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in December
Roer, 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).





