December weather forecastRetterath, Germany
December
Weather in December
December, the first month of the winter in Retterath, is still a cold month, with an average temperature ranging between max 4.5°C (40.1°F) and min 0.2°C (32.4°F).Temperature
Retterath's weather subtly changes with the onset of December, barely falling from a frosty 7.8°C (46°F) in November to an icy 4.5°C (40.1°F). During December, Retterath perceives a slight decrease in temperature from daytime highs, settling at an average low of 0.2°C (32.4°F).Humidity
January and December, with an average relative humidity of 90%, are the most humid months in Retterath, Germany.Rainfall
In Retterath, Germany, in December, during 12.2 rainfall days, 41mm (1.61") of precipitation is typically accumulated. In Retterath, during the entire year, the rain falls for 153.3 days and collects up to 452mm (17.8") of precipitation.Snowfall
January through May, October through December are months with snowfall in Retterath, Germany. In Retterath, during December, snow falls for 10.3 days and regularly aggregates up to 132mm (5.2") of snow. Throughout the year, there are 51.2 snowfall days, and 582mm (22.91") of snow is accumulated.Daylight
With an average of 8h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 08:10 and sunset at 16:31. On the last day of December, sunrise is at 08:31 and sunset at 16:38 CET.
Sunshine
December has the least sunshine of the year in Retterath, 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. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 2 during December translates into these guidelines:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Direct Sun exposure should be minimized especially during midday when radiation is most intense. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Retterath, Germany
- Average high temperature in December: 4.5°C
The warmest months (with the highest average high temperature) are July and August (22.3°C).
The month with the lowest average high temperature is January (2.8°C).
- Average low temperature in December: 0.2°C
The month with the highest average low temperature is August (12.2°C).
The coldest month (with the lowest average low temperature) is January (-1.4°C).
Average pressure in December
Retterath, Germany
- Average pressure in December: 1017.6mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1013.9mbar).
Average wind speed in December
Retterath, Germany
- Average wind speed in December: 13.6km/h
The windiest month (with the highest average wind speed) is December (13.6km/h).
The calmest month (with the lowest average wind speed) is August (8.9km/h).
Average humidity in December
Retterath, Germany
- Average humidity in December: 90%
The months with the highest relative humidity are January and December (90%).
The months with the lowest relative humidity are April, July and August (76%).
Average rainfall in December
Retterath, Germany
- Average rainfall in December: 41mm
The wettest month (with the highest rainfall) is May (55mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in December
Retterath, Germany
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in December
Retterath, Germany
- Average snowfall in December: 132mm
The month with the highest snowfall is February (136mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Retterath, Germany
- Average snowfall days in December: 10.3 days
The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Retterath, Germany
- Average daylight in December: 8h and 6min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in December: 3h and 24min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in December
Retterath, Germany
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is October (17.3 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in December
Retterath, Germany
- Average UV index in December: 2
The months with the highest UV index are June and 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
Retterath, Germany
- Average cloud cover in December: 66
The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in December
Retterath, Germany
- Average visibility in December: 7km
The months with the highest visibility are April and August (9km).
The months with the lowest visibility are January, November and December (7km).
