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
December
Weather in December
Temperature
During the shift to December, a minor reduction in average high-temperature is observed, shifting from 9.7°C (49.5°F) in November to a still chilly 6°C (42.8°F). Grouven's average temperature throughout the nights in December exhibits a minor decrease from daytime highs, stabilizing at a cold 2°C (35.6°F).Humidity
The most humid month is December, with an average relative humidity of 87%.Rainfall
In Grouven, during December, the rain falls for 14.1 days and regularly aggregates up to 38mm (1.5") of precipitation. Throughout the year, there are 165.9 rainfall days, and 390mm (15.35") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Grouven, during December, snow falls for 3.5 days and regularly aggregates up to 21mm (0.83") of snow. Throughout the year, there are 15 snowfall days, and 98mm (3.86") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 0min of daylight.On the first day of December, sunrise is at 08:14 and sunset at 16:30. On the last day of the month, sunrise is at 08:36 and sunset at 16:37 CET.
Sunshine
The month with the least sunshine is December, with an average of 3.9h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 2 during December translates into these guidelines:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December in Grouven?
What is the month with the least sunshine?
How long on average sun shines in December?
What are the months with the lowest UV index?
How high is the UV index in December in Grouven?
Average temperature in December
Grouven, Germany
- Average high temperature in December: 6°C
The warmest month (with the highest average high temperature) is August (23.7°C).
The month with the lowest average high temperature is January (4.6°C).
- Average low temperature in December: 2°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is January (0.5°C).
Average pressure in December
Grouven, Germany
- Average pressure in December: 1016.8mbar
The month with the highest atmospheric pressure is September (1017.7mbar).
The month with the lowest atmospheric pressure is November (1013.3mbar).
Average wind speed in December
Grouven, Germany
- Average wind speed in December: 15.3km/h
The windiest months (with the highest average wind speed) are February and December (15.3km/h).
The calmest month (with the lowest average wind speed) is August (10.4km/h).
Average humidity in December
Grouven, Germany
- Average humidity in December: 87%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (72%).
Average rainfall in December
Grouven, Germany
- Average rainfall in December: 38mm
The wettest month (with the highest rainfall) is June (41mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in December
Grouven, Germany
- Average rainfall days in December: 14.1 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is September (11.5 days).
Average snowfall in December
Grouven, Germany
- Average snowfall in December: 21mm
The month with the highest snowfall is January (35mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Grouven, Germany
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is January (4.6 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
Grouven, 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 5min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).
Average sunshine days in December
Grouven, Germany
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is October (16.6 days).
The month with the least sunshine days is July (11.1 days).
Average UV index in December
Grouven, 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
Grouven, Germany
- Average cloud cover in December: 60
The month with the most cloud cover is December (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Grouven, Germany
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
