December weather forecastLanhouarneau, France
December
Weather in December
The first month of the winter, December, is also a fresh month in Lanhouarneau, France, with an average temperature varying between 6.5°C (43.7°F) and 10.2°C (50.4°F).Temperature
As Lanhouarneau transitions from November to December, the average high-temperatures adjust to a still cool 10.2°C (50.4°F), nearly the same as the previous 12.1°C (53.8°F). Lanhouarneau registers a subtle dip to an average of 6.5°C (43.7°F) during the nights of December.Humidity
The months with the highest humidity are January and December, with an average relative humidity of 85%.Rainfall
In Lanhouarneau, during December, the rain falls for 20.6 days and regularly aggregates up to 89mm (3.5") of precipitation. Throughout the year, there are 218.2 rainfall days, and 705mm (27.76") of precipitation is accumulated.Snowfall
Months with snowfall in Lanhouarneau are January through March, November and December. In Lanhouarneau, during December, snow falls for 1.1 days and regularly aggregates up to 6mm (0.24") of snow. In Lanhouarneau, during the entire year, snow falls for 5.1 days and aggregates up to 31mm (1.22") of snow.Daylight
With an average of 8h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 08:48 and sunset at 17:23. On the last day of December, sunrise is at 09:08 and sunset at 17:31 CET.
Sunshine
The month with the least sunshine is December, with an average of 3.2h of sunshine.UV index
In Lanhouarneau, France, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: An average UV index of 3 in December transforms into this advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lanhouarneau, France
- Average high temperature in December: 10.2°C
The warmest month (with the highest average high temperature) is July (20.1°C).
The month with the lowest average high temperature is January (9°C).
- Average low temperature in December: 6.5°C
The month with the highest average low temperature is August (13.2°C).
The coldest month (with the lowest average low temperature) is February (4.8°C).
Average pressure in December
Lanhouarneau, France
- Average pressure in December: 1017.3mbar
The month with the highest atmospheric pressure is September (1018.3mbar).
The month with the lowest atmospheric pressure is November (1012mbar).
Average wind speed in December
Lanhouarneau, France
- Average wind speed in December: 21.7km/h
The windiest months (with the highest average wind speed) are February and December (21.7km/h).
The calmest months (with the lowest average wind speed) are July and August (14.8km/h).
Average humidity in December
Lanhouarneau, France
- Average humidity in December: 85%
The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is April (81%).
Average rainfall in December
Lanhouarneau, France
- Average rainfall in December: 89mm
The wettest month (with the highest rainfall) is November (94mm).
The driest month (with the least rainfall) is September (29mm).
Average rainfall days in December
Lanhouarneau, France
- Average rainfall days in December: 20.6 days
The month with the highest number of rainy days is November (21.1 days).
The month with the least rainy days is September (14.4 days).
Average snowfall in December
Lanhouarneau, France
- Average snowfall in December: 6mm
The month with the highest snowfall is January (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Lanhouarneau, France
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is February (2 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
Lanhouarneau, France
- Average daylight in December: 8h and 24min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 3h and 12min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in December
Lanhouarneau, France
- Average sunshine days in December: 6.9 days
The month with the most sunshine days is September (11.2 days).
The month with the least sunshine days is November (5.9 days).
Average UV index in December
Lanhouarneau, France
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and February (UV index 2).
Average cloud cover in December
Lanhouarneau, France
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is April (Cloud cover 45).
Average visibility in December
Lanhouarneau, France
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
