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
December is marked by a subtle drop in average high-temperatures, transitioning from a fresh 10.7°C (51.3°F) in November to a chilly 7.5°C (45.5°F). An average low-temperature of 2.5°C (36.5°F) characterizes Groises's December nights.Humidity
December is the most humid month in Groises, with an average relative humidity of 87%.Rainfall
December is the month with the most rainfall. Rain falls for 16.8 days and accumulates 64mm (2.52") of precipitation.Snowfall
Months with snowfall are January through March, October through December. In Groises, in December, during 2.2 snowfall days, 13mm (0.51") of snow is typically accumulated. Throughout the year, there are 11.5 snowfall days, and 85mm (3.35") of snow is accumulated.Daylight
December has the shortest days of the year in Groises, with an average of 8h and 36min of daylight.On the first day of the month, sunrise is at 08:15 and sunset at 17:00. On the last day of December, sunrise is at 08:35 and sunset at 17:08 CET.
Sunshine
The average sunshine in December is 4.1h.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 threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum UV index of 2 in December translates into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the most humid month?
What is the average humidity in December?
What is the wettest month?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Groises, France
- Average high temperature in December: 7.5°C
The warmest month (with the highest average high temperature) is August (25.4°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in December: 2.5°C
The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is February (1.3°C).
Average pressure in December
Groises, France
- Average pressure in December: 1020.3mbar
The month with the highest atmospheric pressure is December (1020.3mbar).
The month with the lowest atmospheric pressure is November (1014.8mbar).
Average wind speed in December
Groises, France
- Average wind speed in December: 15km/h
The windiest month (with the highest average wind speed) is February (15.8km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in December
Groises, France
- Average humidity in December: 87%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Groises, France
- Average rainfall in December: 64mm
The wettest month (with the highest rainfall) is December (64mm).
The driest month (with the least rainfall) is September (29mm).
Average rainfall days in December
Groises, France
- Average rainfall days in December: 16.8 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is September (10.6 days).
Average snowfall in December
Groises, France
- Average snowfall in December: 13mm
The month with the highest snowfall is January (33mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in December
Groises, France
- Average snowfall days in December: 2.2 days
The months with the highest number of snowfall days are January and February (3.8 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Groises, France
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 4h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Groises, France
- Average sunshine days in December: 12.1 days
The month with the most sunshine days is September (17.1 days).
The months with the least sunshine days are May and June (9.3 days).
Average UV index in December
Groises, France
- 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
Groises, France
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Groises, France
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, July, August, September, October and December (9km).
The months with the lowest visibility are January, May, June and November (8km).
