December weather forecastKettwig, Germany
December
Weather in December
December, the first month of the winter in Kettwig, is also a wintry month, with an average temperature fluctuating between 5.9°C (42.6°F) and 2.3°C (36.1°F).Temperature
The transition into December involves a small decrease in the average high-temperature, dipping slightly from a frosty 9.7°C (49.5°F) in November to an icy 5.9°C (42.6°F). During the month of December, Kettwig identifies an average nighttime low-temperature of 2.3°C (36.1°F), slightly lower than its daytime counterpart.Humidity
January and December, with an average relative humidity of 86%, are the most humid months.Rainfall
The month with the most rainfall is December, when the rain falls for 14.7 days and typically aggregates up to 32mm (1.26") of precipitation.Snowfall
January through March, November and December are months with snowfall. In Kettwig, in December, during 3.5 snowfall days, 13mm (0.51") of snow is typically accumulated. In Kettwig, during the entire year, snow falls for 14.4 days and aggregates up to 49mm (1.93") of snow.Daylight
With an average of 8h and 0min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 08:15 and sunset at 16:27. On the last day of the month, sunrise is at 08:37 and sunset at 16:33 CET.
Sunshine
With an average of 3.8h of sunshine, December has the least sunshine of the year.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 minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 2 suggests these recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Around midday, solar radiation is most harmful; hence, exposure should be limited. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Kettwig, Germany
- Average high temperature in December: 5.9°C
The warmest months (with the highest average high temperature) are July and August (23.8°C).
The month with the lowest average high temperature is January (4.7°C).
- Average low temperature in December: 2.3°C
The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is January (0.7°C).
Average pressure in December
Kettwig, Germany
- Average pressure in December: 1016.3mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1013mbar).
Average wind speed in December
Kettwig, Germany
- Average wind speed in December: 15.5km/h
The windiest month (with the highest average wind speed) is December (15.5km/h).
The calmest month (with the lowest average wind speed) is August (10.5km/h).
Average humidity in December
Kettwig, Germany
- Average humidity in December: 86%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Kettwig, Germany
- Average rainfall in December: 32mm
The wettest month (with the highest rainfall) is December (32mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in December
Kettwig, Germany
- Average rainfall days in December: 14.7 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is September (9.6 days).
Average snowfall in December
Kettwig, Germany
- Average snowfall in December: 13mm
The month with the highest snowfall is January (16mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Kettwig, Germany
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is January (4.8 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
Kettwig, Germany
- 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 months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in December
Kettwig, Germany
- Average sunshine days in December: 10 days
The month with the most sunshine days is September (16.1 days).
The month with the least sunshine days is December (10 days).
Average UV index in December
Kettwig, Germany
- 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
Kettwig, 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
Kettwig, Germany
- Average visibility in December: 8km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (9km).
The month with the lowest visibility is December (8km).





