December weather forecastRhöndorf, Germany
December
Weather in December
The first month of the winter, December, is also an icy month in Rhöndorf, Germany, with temperature in the range of an average low of 1°C (33.8°F) and an average high of 5.4°C (41.7°F).Temperature
Transition into December subtly marks a drop in the average high-temperature, moderately moving from a frosty 8.8°C (47.8°F) in November to an icy 5.4°C (41.7°F). Night temperatures during December experience a slight downturn, averaging a still cold 1°C (33.8°F).Humidity
The most humid month in Rhöndorf is December, with an average relative humidity of 89%.Rainfall
In Rhöndorf, in December, it is raining for 13 days, with typically 25mm (0.98") of accumulated precipitation. Throughout the year, there are 148.8 rainfall days, and 286mm (11.26") of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Rhöndorf, during December, snow falls for 4.7 days and regularly aggregates up to 22mm (0.87") of snow. Throughout the year, in Rhöndorf, there are 19.9 snowfall days, and 90mm (3.54") of snow is accumulated.Daylight
With an average of 8h and 6min of daylight, December has the shortest days of the year in Rhöndorf.On the first day of the month, sunrise is at 08:11 and sunset at 16:29. On the last day of December, sunrise is at 08:32 and sunset at 16:36 CET.
Sunshine
December has the least sunshine of the year, 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 reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The daily maximum UV index of 2 in December interprets into the following advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rhöndorf, 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
Rhöndorf, 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
Rhöndorf, 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
Rhöndorf, 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
Rhöndorf, 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
Rhöndorf, 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
Rhöndorf, 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
Rhöndorf, 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
Rhöndorf, 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
Rhöndorf, 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
Rhöndorf, 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
Rhöndorf, 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
Rhöndorf, 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).
