December weather forecastRoetgen, Germany
December
Weather in December
December, the first month of the winter in Roetgen, is still a cold month, with an average temperature fluctuating between -0.1°C (31.8°F) and 4.3°C (39.7°F).Temperature
As November makes way for December, Roetgen's average high-temperature eases from a chilly 7.5°C (45.5°F) to an icy 4.3°C (39.7°F). A mean low-temperature of -0.1°C (31.8°F) is a distinguishing feature of December, indicating a slight dip from daytime highs.Humidity
In December, the average relative humidity is 91%.Rainfall
In December, in Roetgen, the rain falls for 12.1 days. Throughout December, 66mm (2.6") of precipitation is accumulated. In Roetgen, during the entire year, the rain falls for 173 days and collects up to 647mm (25.47") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Roetgen, in December, during 11.6 snowfall days, 144mm (5.67") of snow is typically accumulated. In Roetgen, during the entire year, snow falls for 57.2 days and aggregates up to 734mm (28.9") of snow.Daylight
December has the shortest days of the year in Roetgen, with an average of 8h and 6min of daylight.On the first day of December in Roetgen, sunrise is at 08:15 and sunset at 16:33. On the last day of the month, sunrise is at 08:36 and sunset at 16:40 CET.
Sunshine
December has the least sunshine of the year, with an average of 2.7h of sunshine.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. During bright days, sunglasses that offer UVA and UVB defense are recommended. 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
Roetgen, Germany
- Average high temperature in December: 4.3°C
The warmest month (with the highest average high temperature) is August (20.7°C).
The month with the lowest average high temperature is January (2.6°C).
- Average low temperature in December: -0.1°C
The months with the highest average low temperature are July and August (11.3°C).
The coldest months (with the lowest average low temperature) are January and February (-1.8°C).
Average pressure in December
Roetgen, Germany
- Average pressure in December: 1017.2mbar
The month with the highest atmospheric pressure is September (1017.7mbar).
The month with the lowest atmospheric pressure is November (1013.4mbar).
Average wind speed in December
Roetgen, Germany
- Average wind speed in December: 17.3km/h
The windiest month (with the highest average wind speed) is December (17.3km/h).
The calmest month (with the lowest average wind speed) is August (10.5km/h).
Average humidity in December
Roetgen, Germany
- Average humidity in December: 91%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is April (80%).
Average rainfall in December
Roetgen, Germany
- Average rainfall in December: 66mm
The wettest month (with the highest rainfall) is June (67mm).
The driest month (with the least rainfall) is April (33mm).
Average rainfall days in December
Roetgen, Germany
- Average rainfall days in December: 12.1 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in December
Roetgen, Germany
- Average snowfall in December: 144mm
The month with the highest snowfall is February (159mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Roetgen, Germany
- Average snowfall days in December: 11.6 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Roetgen, Germany
- Average daylight in December: 8h and 6min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in December: 2h and 42min
The month with the most sunshine is August (Average sunshine: 8h and 18min).
The month with the least sunshine is December (Average sunshine: 2h and 42min).
Average sunshine days in December
Roetgen, Germany
- Average sunshine days in December: 9.7 days
The month with the most sunshine days is October (14.8 days).
The month with the least sunshine days is June (9.1 days).
Average UV index in December
Roetgen, Germany
- 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, March, October, November and December (UV index 2).
Average cloud cover in December
Roetgen, Germany
- Average cloud cover in December: 74
The month with the most cloud cover is December (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 47).
Average visibility in December
Roetgen, Germany
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, May, June, July, August, October and December (8km).
The months with the lowest visibility are January, September and November (7km).
