December weather forecastOberkassel, Germany
December
Weather in December
The first month of the winter, December, is also an icy month in Oberkassel, Germany, with an average temperature fluctuating between 1°C (33.8°F) and 5.4°C (41.7°F).Temperature
Oberkassel in December undergoes a slight reduction in the average high-temperature, shifting from November's chilly 8.8°C (47.8°F) to a cold 5.4°C (41.7°F). Oberkassel sees a minor drop to an average minimum temperature of 1°C (33.8°F) during the night in the month of December.Humidity
December is the most humid month, with an average relative humidity of 89%.Rainfall
In Oberkassel, Germany, in December, it is raining for 13 days, with typically 25mm (0.98") of accumulated precipitation. In Oberkassel, during the entire year, the rain falls for 148.8 days and collects up to 286mm (11.26") of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Oberkassel, during December, snow falls for 4.7 days and regularly aggregates up to 22mm (0.87") of snow. Throughout the year, in Oberkassel, there are 19.9 snowfall days, and 90mm (3.54") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 6min of daylight.On the first day of December, sunrise is at 08:11 and sunset at 16:29. On the last day of the month, sunrise is at 08:33 and sunset at 16:36 CET.
Sunshine
The month with the least sunshine is December, with an average of 3.6h 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 estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 suggests this advice:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. During bright days, sunglasses that offer UVA and UVB defense are recommended. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Oberkassel, 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°C
The month with the highest average low temperature is August (13.1°C).
The coldest month (with the lowest average low temperature) is January (-0.6°C).
Average pressure in December
Oberkassel, 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 (1013.7mbar).
Average wind speed in December
Oberkassel, Germany
- Average wind speed in December: 12.4km/h
The windiest month (with the highest average wind speed) is February (12.6km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).
Average humidity in December
Oberkassel, Germany
- Average humidity in December: 89%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (73%).
Average rainfall in December
Oberkassel, Germany
- Average rainfall in December: 25mm
The wettest months (with the highest rainfall) are May and August (32mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in December
Oberkassel, Germany
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is June (14.9 days).
The month with the least rainy days is February (8.4 days).
Average snowfall in December
Oberkassel, Germany
- Average snowfall in December: 22mm
The month with the highest snowfall is February (32mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Oberkassel, Germany
- Average snowfall days in December: 4.7 days
The month with the highest number of snowfall days is January (6.6 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
Oberkassel, 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: 3h and 36min
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 36min).
Average sunshine days in December
Oberkassel, Germany
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is June (12 days).
Average UV index in December
Oberkassel, 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
Oberkassel, 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
Oberkassel, 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).
