December weather forecastLanvéoc, France

December

Weather in December

The first month of the winter, December, is still a cool month in Lanvéoc, France, with temperature in the range of an average high of 10.7°C (51.3°F) and an average low of 7.8°C (46°F).

Temperature

December notes an average high-temperature of a still fresh 10.7°C (51.3°F), subtly differing from November's 12.5°C (54.5°F). Throughout December, Lanvéoc observes a steady low-temperature average of 7.8°C (46°F), reflecting a minor dip from daytime highs.

Humidity

January, June, October and December, with an average relative humidity of 82%, are the most humid months.

Rainfall

In Lanvéoc, during December, the rain falls for 19.2 days and regularly aggregates up to 79mm (3.11") of precipitation. In Lanvéoc, France, during the entire year, the rain falls for 188.5 days and collects up to 593mm (23.35") of precipitation.

Snowfall

January through March, November and December are months with snowfall in Lanvéoc. In Lanvéoc, in December, snow falls for 0.6 days, with typically accumulated 1mm (0.04") of snow. Throughout the year, there are 2.6 snowfall days, and 14mm (0.55") of snow is accumulated.

Sea temperature

In December, the average sea temperature in Lanvéoc, France, is 12.7°C (54.9°F).
Note: Beware of 12.7°C (54.9°F) waters at 13°C (55.4°F), they're uninviting, and a dip below 10°C (50°F) has risks of breath loss and cold shock, contingent on health.

Daylight

The month with the shortest days in Lanvéoc is December, with an average of 8h and 24min of daylight.
On the first day of the month, sunrise is at 08:48 and sunset at 17:25. On the last day of December, in Lanvéoc, sunrise is at 09:08 and sunset at 17:33 CET.

Sunshine

With an average of 3.4h of sunshine, December has the least sunshine of the year.

UV index

The average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In December, the maximum UV index of 3 translates into these guidelines:
Take precautions. Light skin individuals may get burned in less than 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.

Frequently asked questions

December temperatures in Lanvéoc, France, vary between a high-temperature of 10.7°C (51.3°F) and a low-temperature of 7.8°C (46°F).

The months with the highest humidity are January, June, October and December, with an average relative humidity of 82%.

In Lanvéoc, the average relative humidity in December is 82%.

In Lanvéoc, France, in December, it is raining for 19.2 days, with typically 79mm (3.11") of accumulated precipitation.

In Lanvéoc, during December, snow falls for 0.6 days and regularly aggregates up to 1mm (0.04") of snow.

In Lanvéoc, France, in December, the average water temperature is 12.7°C (54.9°F). Swimming in 12.7°C (54.9°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

With an average of 8h and 24min of daylight, December has the shortest days of the year in Lanvéoc.

In December, the average day length in Lanvéoc is 8h and 25min.

In December, on the first day of the month, sunrise is at 08:48 and sunset at 17:25. On the last day of the month, in Lanvéoc, France, sunrise is at 09:08 and sunset at 17:33 CET.

The month with the least sunshine in Lanvéoc is December, with an average of 3.4h of sunshine.

In December, the average sunshine duration in Lanvéoc, France, is 3.4h.

The average daily maximum UV index in December in Lanvéoc, France, is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Lanvéoc, France

  • Average high temperature in December: 10.7°C

The warmest month (with the highest average high temperature) is July (19.6°C).
The month with the lowest average high temperature is February (9.7°C).

  • Average low temperature in December: 7.8°C

The months with the highest average low temperature are July and August (14.4°C).
The coldest month (with the lowest average low temperature) is February (6.1°C).

Average pressure in December
Lanvéoc, France

  • Average pressure in December: 1017.5mbar

The month with the highest atmospheric pressure is September (1018.4mbar).
The month with the lowest atmospheric pressure is November (1012.2mbar).

Average wind speed in December
Lanvéoc, France

  • Average wind speed in December: 24.7km/h

The windiest month (with the highest average wind speed) is December (24.7km/h).
The calmest months (with the lowest average wind speed) are July and August (16.4km/h).

Average humidity in December
Lanvéoc, France

  • Average humidity in December: 82%

The months with the highest relative humidity are January, June, October and December (82%).
The month with the lowest relative humidity is April (79%).

Average rainfall in December
Lanvéoc, France

  • Average rainfall in December: 79mm

The wettest month (with the highest rainfall) is November (88mm).
The driest month (with the least rainfall) is September (25mm).

Average rainfall days in December
Lanvéoc, France

  • Average rainfall days in December: 19.2 days

The month with the highest number of rainy days is January (20.5 days).
The month with the least rainy days is September (11.5 days).

Average snowfall in December
Lanvéoc, France

  • Average snowfall in December: 1mm

The month with the highest snowfall is January (7mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Lanvéoc, France

  • Average snowfall days in December: 0.6 days

The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average sea temperature in December
Lanvéoc, France

  • Average sea temperature in December: 12.7°C

The best month for swimming (with the highest average sea temperature) is August (16.9°C).
The coldest month (with the lowest average sea temperature) is March (10.2°C).

Average daylight in December /
Average sunshine in December
Lanvéoc, France

  • Average daylight in December: 8h and 24min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in December: 3h and 24min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).

Average sunshine days in December
Lanvéoc, France

  • Average sunshine days in December: 8.5 days

The months with the most sunshine days are May and September (14.6 days).
The month with the least sunshine days is November (6.6 days).

Average UV index in December
Lanvéoc, 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
Lanvéoc, France

  • Average cloud cover in December: 59

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is April (Cloud cover 40).

Average visibility in December
Lanvéoc, France

  • Average visibility in December: 9km

The months with the highest visibility are February, March, April, June, September and October (10km).
The months with the lowest visibility are January, May, July, August, November and December (9km).