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
The beginning of December brings a slight decrease in the average high-temperature, transitioning from a frosty 8°C (46.4°F) in November to an icy 4.5°C (40.1°F). In Grand-Failly, the nightly December temperatures experience a slight descent from daily highs to an average low of 0.5°C (32.9°F).Humidity
December is the most humid month, with an average relative humidity of 92%.Rainfall
The month with the most rainfall is December, when the rain falls for 14.8 days and typically aggregates up to 74mm (2.91") of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Grand-Failly, in December, snow falls for 5.9 days, with typically accumulated 56mm (2.2") of snow. In Grand-Failly, during the entire year, snow falls for 23.6 days and aggregates up to 203mm (7.99") of snow.Daylight
With an average of 8h and 18min of daylight, December has the shortest days of the year in Grand-Failly.On the first day of December, sunrise is at 08:12 and sunset at 16:41. On the last day of the month, sunrise is at 08:33 and sunset at 16:48 CET.
Sunshine
The month with the least sunshine is December, with an average of 3h 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 Grand-Failly. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high daily UV index of 2 during December translates into the following directions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Grand-Failly?
What is the most humid month in Grand-Failly?
What is the average humidity in December in Grand-Failly?
What is the wettest month in Grand-Failly?
How much does it rain in Grand-Failly in December?
How many days does it snow in December in Grand-Failly?
What is the month with the shortest days in Grand-Failly?
How many hours of daylight does Grand-Failly have in December?
What time are sunrise and sunset in December in Grand-Failly?
What is the month with the least sunshine in Grand-Failly?
How long on average sun shines in December in Grand-Failly?
What are the months with the lowest UV index in Grand-Failly?
How high is the UV index in December in Grand-Failly?
Average temperature in December
Grand-Failly, France
- Average high temperature in December: 4.5°C
The warmest months (with the highest average high temperature) are July and August (22.3°C).
The month with the lowest average high temperature is January (3.6°C).
- Average low temperature in December: 0.5°C
The months with the highest average low temperature are July and August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).
Average pressure in December
Grand-Failly, France
- Average pressure in December: 1018.2mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is November (1013.9mbar).
Average wind speed in December
Grand-Failly, France
- Average wind speed in December: 15.7km/h
The windiest month (with the highest average wind speed) is February (16.1km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in December
Grand-Failly, France
- Average humidity in December: 92%
The month with the highest relative humidity is December (92%).
The months with the lowest relative humidity are April and August (78%).
Average rainfall in December
Grand-Failly, France
- Average rainfall in December: 74mm
The wettest month (with the highest rainfall) is December (74mm).
The driest month (with the least rainfall) is April (33mm).
Average rainfall days in December
Grand-Failly, France
- Average rainfall days in December: 14.8 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (11.9 days).
Average snowfall in December
Grand-Failly, France
- Average snowfall in December: 56mm
The month with the highest snowfall is January (62mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Grand-Failly, France
- Average snowfall days in December: 5.9 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grand-Failly, France
- Average daylight in December: 8h and 2min
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 18min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days in December
Grand-Failly, France
- Average sunshine days in December: 9.6 days
The month with the most sunshine days is September (15.2 days).
The months with the least sunshine days are June, November and December (9.6 days).
Average UV index in December
Grand-Failly, 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
Grand-Failly, France
- Average cloud cover in December: 71
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in December
Grand-Failly, France
- Average visibility in December: 8km
The months with the highest visibility are March, April and August (9km).
The month with the lowest visibility is November (7km).
