December weather forecastPlomelin, France

December

Weather in December

December, the first month of the winter in Plomelin, is still a cool month, with an average temperature fluctuating between 10.5°C (50.9°F) and 7°C (44.6°F).

Temperature

The shift into December reveals an average high-temperature of a still cool 10.5°C (50.9°F), closely mirroring November's climate. In Plomelin, the December nights are characterized by an average low-temperature of 7°C (44.6°F), a minor dip from daytime readings.

Humidity

The most humid month in Plomelin is December, with an average relative humidity of 85%.

Rainfall

The month with the most rainfall in Plomelin is December, when the rain falls for 19.5 days and typically aggregates up to 95mm (3.74") of precipitation.

Snowfall

January, February and December are months with snowfall in Plomelin. December is the first month it typically snows in Plomelin. Throughout December, in the average 0.6 snowfall days, it receives 1mm (0.04") of snow. Throughout the year, in Plomelin, there are 2.1 snowfall days, and 13mm (0.51") of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 8h and 30min of daylight.
On the first day of December, sunrise is at 08:45 and sunset at 17:25. On the last day of the month, sunrise is at 09:06 and sunset at 17:33 CET.

Sunshine

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

UV index

In December, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 3 in December converts into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.

Frequently asked questions

During December, Plomelin experiences an average high-temperature of 10.5°C (50.9°F) and a low-temperature of 7°C (44.6°F).

With an average relative humidity of 85%, December is the most humid month.

In Plomelin, the average relative humidity in December is 85%.

The month with the most rainfall in Plomelin is December, when the rain falls for 19.5 days and typically aggregates up to 95mm (3.74") of precipitation.

In Plomelin, France, during December, the rain falls for 19.5 days and regularly aggregates up to 95mm (3.74") of precipitation.

December is the first month it typically snows in Plomelin, France. Throughout December, in the average 0.6 snowfall days, it receives 1mm (0.04") of snow.

The month with the shortest days in Plomelin is December, with an average of 8h and 30min of daylight.

In Plomelin, the average day length in December is 8h and 28min.

On the first day of December in Plomelin, France, sunrise is at 08:45 and sunset at 17:25. On the last day of the month, sunrise is at 09:06 and sunset at 17:33 CET.

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

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

In December, the average daily maximum UV index in Plomelin is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Plomelin, France

  • Average high temperature in December: 10.5°C

The warmest month (with the highest average high temperature) is July (21.1°C).
The month with the lowest average high temperature is January (9.7°C).

  • Average low temperature in December: 7°C

The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is February (5.1°C).

Average pressure in December
Plomelin, France

  • Average pressure in December: 1018mbar

The month with the highest atmospheric pressure is September (1018.5mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).

Average wind speed in December
Plomelin, France

  • Average wind speed in December: 20.4km/h

The windiest month (with the highest average wind speed) is January (20.6km/h).
The calmest month (with the lowest average wind speed) is August (14km/h).

Average humidity in December
Plomelin, France

  • Average humidity in December: 85%

The month with the highest relative humidity is December (85%).
The month with the lowest relative humidity is April (79%).

Average rainfall in December
Plomelin, France

  • Average rainfall in December: 95mm

The wettest month (with the highest rainfall) is December (95mm).
The driest month (with the least rainfall) is September (26mm).

Average rainfall days in December
Plomelin, France

  • Average rainfall days in December: 19.5 days

The month with the highest number of rainy days is January (20.4 days).
The month with the least rainy days is September (12.2 days).

Average snowfall in December
Plomelin, France

  • Average snowfall in December: 1mm

The month with the highest snowfall is January (8mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).

Average snowfall days in December
Plomelin, France

  • Average snowfall days in December: 0.6 days

The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

  • Average daylight in December: 8h and 30min

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 30min).

  • Average sunshine in December: 3h and 24min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).

Average sunshine days in December
Plomelin, France

  • Average sunshine days in December: 8.5 days

The month with the most sunshine days is September (15 days).
The month with the least sunshine days is November (7.5 days).

Average UV index in December
Plomelin, 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
Plomelin, France

  • Average cloud cover in December: 59

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 40).

Average visibility in December
Plomelin, 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).