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
In Grumesnil, the beginning of December is marked by a marginally lowered average high-temperature, shifting from November's chilly 9.9°C (49.8°F) to a still frosty 6.7°C (44.1°F). During the nights of December, Grumesnil records an average low-temperature of 2.5°C (36.5°F), reflecting a modest decrease from daytime highs.Humidity
With an average relative humidity of 89%, December is the most humid month.Rainfall
The month with the most rainfall in Grumesnil, France, is December, when the rain falls for 15.9 days and typically aggregates up to 55mm (2.17") of precipitation.Snowfall
January through March, November and December are months with snowfall in Grumesnil. In December, it is snowing for 2.4 days. Throughout December, 21mm (0.83") of snow is accumulated. Throughout the year, there are 8.8 snowfall days, and 72mm (2.83") of snow is accumulated.Daylight
The month with the shortest days in Grumesnil is December, with an average of 8h and 12min of daylight.On the first day of the month, sunrise is at 08:28 and sunset at 16:55. On the last day of December, in Grumesnil, sunrise is at 08:49 and sunset at 17:03 CET.
Sunshine
In December, the average sunshine is 3.9h.UV index
The months with the lowest UV index in Grumesnil are January, February, November and December, with an average maximum UV index of 2. 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: An average maximum UV index of 2 in December leads to these recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in Grumesnil during December?
What is the most humid month in Grumesnil?
What is the average humidity in December in Grumesnil?
What is the wettest month in Grumesnil?
How many days does it rain in December in Grumesnil?
How many days does it snow in December in Grumesnil?
What is the month with the shortest days in Grumesnil?
How many hours of daylight does Grumesnil have in December?
When is the sunrise / sunset in December in Grumesnil?
How long on average sun shines in December in Grumesnil?
When is the lowest UV index in Grumesnil?
What is the UV index reading in December in Grumesnil?
Average temperature in December
Grumesnil, France
- Average high temperature in December: 6.7°C
The warmest month (with the highest average high temperature) is August (22.9°C).
The month with the lowest average high temperature is January (5.5°C).
- Average low temperature in December: 2.5°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 (1°C).
Average pressure in December
Grumesnil, France
- Average pressure in December: 1017.5mbar
The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1012.8mbar).
Average wind speed in December
Grumesnil, France
- Average wind speed in December: 17.1km/h
The windiest month (with the highest average wind speed) is February (17.5km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in December
Grumesnil, France
- Average humidity in December: 89%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (76%).
Average rainfall in December
Grumesnil, France
- Average rainfall in December: 55mm
The wettest month (with the highest rainfall) is December (55mm).
The driest month (with the least rainfall) is September (21mm).
Average rainfall days in December
Grumesnil, France
- Average rainfall days in December: 15.9 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is February (11.3 days).
Average snowfall in December
Grumesnil, France
- Average snowfall in December: 21mm
The month with the highest snowfall is January (23mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Grumesnil, France
- Average snowfall days in December: 2.4 days
The month with the highest number of snowfall days is February (2.7 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
Grumesnil, France
- Average daylight in December: 8h and 1min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is June (Average sunshine: 8h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Grumesnil, France
- Average sunshine days in December: 10.6 days
The month with the most sunshine days is March (15.7 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in December
Grumesnil, 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
Grumesnil, France
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are August and September (Cloud cover 43).
Average visibility in December
Grumesnil, France
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, June, July, August, September, October and December (9km).
The months with the lowest visibility are January, May and November (8km).
