December weather forecastSiegburg, Germany
December
Weather in December
The first month of the winter, December, is also a wintry month in Siegburg, Germany, with an average temperature varying between 5.4°C (41.7°F) and 1.2°C (34.2°F).Temperature
December's onset brings a negligible change in high-temperatures, falling from a frosty 8.9°C (48°F) in November to a wintry 5.4°C (41.7°F). December records a small disparity from daytime temperatures, marking an average low-temperature of 1.2°C (34.2°F) in Siegburg, Germany.Humidity
The most humid month is December, with an average relative humidity of 89%.Rainfall
In Siegburg, Germany, during December, the rain falls for 13.6 days and regularly aggregates up to 29mm (1.14") of precipitation. Throughout the year, there are 156 rainfall days, and 305mm (12.01") of precipitation is accumulated.Snowfall
Months with snowfall in Siegburg are January through March, November and December. In Siegburg, Germany, in December, snow falls for 5.1 days, with typically accumulated 25mm (0.98") of snow. Throughout the year, in Siegburg, there are 19.5 snowfall days, and 98mm (3.86") of snow is accumulated.Daylight
The month with the shortest days in Siegburg is December, with an average of 8h and 0min of daylight.On the first day of the month, sunrise is at 08:11 and sunset at 16:28. On the last day of December, sunrise is at 08:33 and sunset at 16:35 CET.
Sunshine
December has the least sunshine of the year, with an average of 3.8h 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 reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 2 during December translates into these guidelines:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Siegburg, Germany
- Average high temperature in December: 5.4°C
The warmest month (with the highest average high temperature) is July (23.5°C).
The month with the lowest average high temperature is January (4°C).
- Average low temperature in December: 1.2°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-0.3°C).
Average pressure in December
Siegburg, Germany
- Average pressure in December: 1017.1mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1013.6mbar).
Average wind speed in December
Siegburg, Germany
- Average wind speed in December: 12.5km/h
The windiest month (with the highest average wind speed) is February (12.8km/h).
The calmest month (with the lowest average wind speed) is August (8.9km/h).
Average humidity in December
Siegburg, Germany
- Average humidity in December: 89%
The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are July and August (73%).
Average rainfall in December
Siegburg, Germany
- Average rainfall in December: 29mm
The wettest month (with the highest rainfall) is August (33mm).
The driest months (with the least rainfall) are April and September (17mm).
Average rainfall days in December
Siegburg, Germany
- Average rainfall days in December: 13.6 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is February (10.4 days).
Average snowfall in December
Siegburg, Germany
- Average snowfall in December: 25mm
The month with the highest snowfall is February (35mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Siegburg, Germany
- Average snowfall days in December: 5.1 days
The month with the highest number of snowfall days is January (6 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
Siegburg, Germany
- Average daylight in December: 8h and 0min
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 0min).
- Average sunshine in December: 3h and 48min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in December
Siegburg, Germany
- Average sunshine days in December: 11.4 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is December (11.4 days).
Average UV index in December
Siegburg, 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
Siegburg, Germany
- 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 37).
Average visibility in December
Siegburg, Germany
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July and August (9km).
The months with the lowest visibility are January, February, September, October, November and December (8km).








