December weather forecastGrinau, Germany
December
Weather in December
December, the first month of the winter in Grinau, is also an icy month, with an average temperature varying between 1°C (33.8°F) and 4.3°C (39.7°F).Temperature
During the shift to December, a minor reduction in average high-temperature is observed, shifting from a frosty 7.7°C (45.9°F) in November to a cold 4.3°C (39.7°F). December notes an average low temperature of 1°C (33.8°F), subtly down from the daytime highs.Humidity
The most humid month in Grinau is December, with an average relative humidity of 90%.Rainfall
In Grinau, Germany, in December, during 15.6 rainfall days, 35mm (1.38") of precipitation is typically accumulated. Throughout the year, in Grinau, there are 167.7 rainfall days, and 403mm (15.87") of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. The month with the most snowfall is December, when snow falls for 4 days and typically aggregates up to 25mm (0.98") of snow.Daylight
The month with the shortest days is December, with an average of 7h and 30min of daylight.On the first day of December, sunrise is at 08:12 and sunset at 16:01. On the last day of the month, sunrise is at 08:35 and sunset at 16:06 CET.
Sunshine
The month with the least sunshine is December, with an average of 3.2h of sunshine.UV index
In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grinau, Germany
- Average high temperature in December: 4.3°C
The warmest month (with the highest average high temperature) is August (22.3°C).
The month with the lowest average high temperature is January (2.6°C).
- Average low temperature in December: 1°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is February (-0.8°C).
Average pressure in December
Grinau, Germany
- Average pressure in December: 1013.1mbar
The month with the highest atmospheric pressure is September (1016.2mbar).
The month with the lowest atmospheric pressure is November (1011.9mbar).
Average wind speed in December
Grinau, Germany
- Average wind speed in December: 18.6km/h
The windiest month (with the highest average wind speed) is December (18.6km/h).
The calmest month (with the lowest average wind speed) is August (12.8km/h).
Average humidity in December
Grinau, Germany
- Average humidity in December: 90%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (75%).
Average rainfall in December
Grinau, Germany
- Average rainfall in December: 35mm
The wettest month (with the highest rainfall) is June (47mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in December
Grinau, Germany
- Average rainfall days in December: 15.6 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is February (10.3 days).
Average snowfall in December
Grinau, Germany
- Average snowfall in December: 25mm
The month with the highest snowfall is December (25mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Grinau, Germany
- Average snowfall days in December: 4 days
The month with the highest number of snowfall days is February (6.4 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
Grinau, Germany
- Average daylight in December: 7h and 30min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in December: 3h and 12min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in December
Grinau, Germany
- Average sunshine days in December: 10.1 days
The month with the most sunshine days is April (15.6 days).
The month with the least sunshine days is December (10.1 days).
Average UV index in December
Grinau, Germany
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Grinau, Germany
- Average cloud cover in December: 69
The month with the most cloud cover is December (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in December
Grinau, Germany
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January and November (8km).
