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
December's weather displays an average high-temperature of a still cool 10.6°C (51.1°F), slightly varied from November's 12.6°C (54.7°F). Hennebont's nights in December maintain a consistent average of 7.2°C (45°F), demonstrating a minimal differential from its daytime temperature.Humidity
The months with the highest humidity in Hennebont are January and December, with an average relative humidity of 84%.Rainfall
In Hennebont, in December, during 17.8 rainfall days, 81mm (3.19") of precipitation is typically accumulated. Throughout the year, there are 176.4 rainfall days, and 623mm (24.53") of precipitation is accumulated.Snowfall
January, February, April and December are months with snowfall. December is the first month it typically snows in Hennebont, France. Throughout December, in the average 0.6 snowfall days, it receives 1mm (0.04") of snow. In Hennebont, during the entire year, snow falls for 2.4 days and aggregates up to 8mm (0.31") of snow.Daylight
The month with the shortest days in Hennebont is December, with an average of 8h and 30min of daylight.On the first day of the month, sunrise is at 08:41 and sunset at 17:23. On the last day of December, in Hennebont, sunrise is at 09:01 and sunset at 17:30 CET.
Sunshine
In December, the average sunshine in Hennebont, France, is 4h.UV index
In December, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: A maximum daily UV index of 3 during December morphs into the following directions:
Undertake precautions - Obligation exists to protect against skin and eye damage. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What are the temperatures in Hennebont in December?
What are the most humid months in Hennebont?
What is the average humidity in December in Hennebont?
How much does it rain in Hennebont in December?
When does it start snowing in Hennebont?
What is the month with the shortest days in Hennebont?
What is the average length of the day in December in Hennebont?
What time are sunrise and sunset in December in Hennebont?
How long on average sun shines in December in Hennebont?
What is the UV index reading in December in Hennebont?
Average temperature in December
Hennebont, France
- Average high temperature in December: 10.6°C
The warmest months (with the highest average high temperature) are July and August (20.8°C).
The months with the lowest average high temperature are January and February (9.3°C).
- Average low temperature in December: 7.2°C
The month with the highest average low temperature is July (14.3°C).
The coldest month (with the lowest average low temperature) is February (5.3°C).
Average pressure in December
Hennebont, France
- Average pressure in December: 1018.3mbar
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
Hennebont, France
- Average wind speed in December: 21.6km/h
The windiest months (with the highest average wind speed) are January, February and December (21.6km/h).
The calmest month (with the lowest average wind speed) is August (14.9km/h).
Average humidity in December
Hennebont, France
- Average humidity in December: 84%
The months with the highest relative humidity are January and December (84%).
The months with the lowest relative humidity are April, July and September (79%).
Average rainfall in December
Hennebont, France
- Average rainfall in December: 81mm
The wettest month (with the highest rainfall) is November (87mm).
The driest month (with the least rainfall) is July (27mm).
Average rainfall days in December
Hennebont, France
- Average rainfall days in December: 17.8 days
The month with the highest number of rainy days is December (17.8 days).
The month with the least rainy days is September (10.8 days).
Average snowfall in December
Hennebont, France
- Average snowfall in December: 1mm
The month with the highest snowfall is February (4mm).
The months with the least snowfall are March, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Hennebont, France
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is February (1 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
Hennebont, 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 36min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Hennebont, France
- Average sunshine days in December: 10.9 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is November (8.5 days).
Average UV index in December
Hennebont, France
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Hennebont, 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 35).
Average visibility in December
Hennebont, France
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September and November (10km).
The months with the lowest visibility are January, October and December (9km).
Hennebont, France
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