Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
A subtle shift in Grassendorf's weather is observed as November turns into December, with the average high temperature reducing from a frosty 8.5°C (47.3°F) to an icy 5.1°C (41.2°F). In Grassendorf, the nightly December temperatures experience a slight descent from daily highs to an average low of 0.7°C (33.3°F).Humidity
January and December, with an average relative humidity of 88%, are the most humid months.Rainfall
December is the month with the most rainfall in Grassendorf. Rain falls for 15 days and accumulates 69mm (2.72") of precipitation.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall is December, when snow falls for 7.3 days and typically aggregates up to 90mm (3.54") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 18min of daylight.On the first day of the month, sunrise is at 08:01 and sunset at 16:35. On the last day of December, in Grassendorf, sunrise is at 08:22 and sunset at 16:42 CET.
Sunshine
The months with the least sunshine in Grassendorf are January and December, with an average of 3.9h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Grassendorf, France. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 2 during December translates into the following directions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Grassendorf in December?
What is the most humid month in Grassendorf?
What is the average humidity in December in Grassendorf?
What is the rainiest month in Grassendorf?
How many days does it rain in December in Grassendorf?
What is the snowiest month in Grassendorf?
How much does it snow in Grassendorf in December?
What is the month with the shortest days in Grassendorf?
What is the average length of the day in December in Grassendorf?
When are sunrise and sunset in December in Grassendorf?
What is the month with the least sunshine in Grassendorf?
How long on average sun shines in December in Grassendorf?
What is the month with the lowest UV index in Grassendorf?
How high is the UV index in December in Grassendorf?
Average temperature in December
Grassendorf, France
- Average high temperature in December: 5.1°C
The warmest month (with the highest average high temperature) is August (24°C).
The month with the lowest average high temperature is January (3.6°C).
- Average low temperature in December: 0.7°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 (-0.8°C).
Average pressure in December
Grassendorf, France
- Average pressure in December: 1019.5mbar
The month with the highest atmospheric pressure is December (1019.5mbar).
The month with the lowest atmospheric pressure is November (1015mbar).
Average wind speed in December
Grassendorf, France
- Average wind speed in December: 12.5km/h
The windiest month (with the highest average wind speed) is February (12.9km/h).
The calmest month (with the lowest average wind speed) is August (8.2km/h).
Average humidity in December
Grassendorf, France
- Average humidity in December: 88%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Grassendorf, France
- Average rainfall in December: 69mm
The wettest month (with the highest rainfall) is December (69mm).
The driest month (with the least rainfall) is April (35mm).
Average rainfall days in December
Grassendorf, France
- Average rainfall days in December: 15 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is February (11.9 days).
Average snowfall in December
Grassendorf, France
- Average snowfall in December: 90mm
The month with the highest snowfall is December (90mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Grassendorf, France
- Average snowfall days in December: 7.3 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grassendorf, France
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in December: 3h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The months with the least sunshine are January and December (Average sunshine: 3h and 54min).
Average sunshine days in December
Grassendorf, France
- Average sunshine days in December: 10.2 days
The month with the most sunshine days is April (14.8 days).
The month with the least sunshine days is June (9.5 days).
Average UV index in December
Grassendorf, France
- 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
Grassendorf, France
- Average cloud cover in December: 61
The months with the most cloud cover are January and December (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Grassendorf, France
- 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).
Grassendorf, France
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