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
Weather in December
Temperature
With December's arrival, Groix notes an average high-temperature of a still fresh 10.9°C (51.6°F), closely following the trend of the preceding month. During the month of December, Groix's average nighttime temperature closely mirrors its daytime counterpart, at a frosty 8.4°C (47.1°F).Humidity
With an average relative humidity of 82%, December is the most humid month in Groix.Rainfall
In December, in Groix, the rain falls for 17.1 days. Throughout December, 74mm (2.91") of precipitation is accumulated. In Groix, during the entire year, the rain falls for 165.4 days and collects up to 580mm (22.83") of precipitation.Snowfall
January, March through December are months without snowfall.Daylight
With an average of 8h and 30min of daylight, December has the shortest days of the year in Groix.On the first day of December in Groix, France, sunrise is at 08:41 and sunset at 17:24. On the last day of the month, sunrise is at 09:02 and sunset at 17:32 CET.
Sunshine
The months with the least sunshine are January and December, with an average of 4h of sunshine.UV index
In Groix, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index, 3 in December, converts into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. It's recommended to limit sun exposure when its radiation is at its peak during midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the temperature in December in Groix?
What is the most humid month in Groix?
What is the average humidity in December in Groix?
How many days does it rain in December in Groix?
When it does not snow in Groix?
What is the month with the shortest days in Groix?
What is the average length of the day in December in Groix?
When are sunrise and sunset in December in Groix?
What are the months with the least sunshine in Groix?
How long on average sun shines in December in Groix?
What is the UV index intensity in December in Groix?
Average temperature in December
Groix, France
- Average high temperature in December: 10.9°C
The warmest month (with the highest average high temperature) is July (20°C).
The month with the lowest average high temperature is February (9.6°C).
- Average low temperature in December: 8.4°C
The month with the highest average low temperature is July (15.5°C).
The coldest month (with the lowest average low temperature) is February (6.5°C).
Average pressure in December
Groix, France
- Average pressure in December: 1018.4mbar
The month with the highest atmospheric pressure is September (1018.5mbar).
The month with the lowest atmospheric pressure is November (1012.8mbar).
Average wind speed in December
Groix, France
- Average wind speed in December: 25.5km/h
The windiest month (with the highest average wind speed) is December (25.5km/h).
The calmest month (with the lowest average wind speed) is August (17.1km/h).
Average humidity in December
Groix, France
- Average humidity in December: 82%
The month with the highest relative humidity is December (82%).
The months with the lowest relative humidity are April and September (79%).
Average rainfall in December
Groix, France
- Average rainfall in December: 74mm
The wettest month (with the highest rainfall) is November (86mm).
The driest months (with the least rainfall) are July and September (24mm).
Average rainfall days in December
Groix, France
- Average rainfall days in December: 17.1 days
The month with the highest number of rainy days is November (17.5 days).
The month with the least rainy days is September (9.9 days).
Average snowfall in December
Groix, France
- Average snowfall in December: 0mm
The month with the highest snowfall is February (4mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Groix, France
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Groix, France
- Average daylight in December: 8h and 3min
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 30min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and December (Average sunshine: 4h and 0min).
Average sunshine days in December
Groix, France
- Average sunshine days in December: 10.7 days
The month with the most sunshine days is September (17.8 days).
The month with the least sunshine days is November (9 days).
Average UV index in December
Groix, France
- Average UV index in December: 3
The months with the highest UV index are June, July, August and September (UV index 5).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Groix, France
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in December
Groix, France
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Groix, France
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