December weather forecastSaint-Jean-de-Boiseau, France

December

Weather in December

The first month of the winter, December, is still a cool month in Saint-Jean-de-Boiseau, France, with an average temperature ranging between min 4.9°C (40.8°F) and max 10°C (50°F).

Temperature

The average high-temperature in December, at a still cool 10°C (50°F), reveals a modest deviation from November's 12.7°C (54.9°F). During December, Saint-Jean-de-Boiseau observes a consistent average nighttime temperature of 4.9°C (40.8°F).

Humidity

January and December, with an average relative humidity of 86%, are the most humid months in Saint-Jean-de-Boiseau.

Rainfall

December is the month with the most rainfall in Saint-Jean-de-Boiseau. Rain falls for 14.5 days and accumulates 66mm (2.6") of precipitation.

Snowfall

March, May through October and December are months without snowfall in Saint-Jean-de-Boiseau, France.

Daylight

December has the shortest days of the year, with an average of 8h and 36min of daylight.
On the first day of the month, sunrise is at 08:33 and sunset at 17:19. On the last day of December, sunrise is at 08:53 and sunset at 17:26 CET.

Sunshine

In December, the average sunshine is 4.7h.

UV index

The months with the lowest UV index in Saint-Jean-de-Boiseau are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 2 transforms into these recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.

Frequently asked questions

The high-temperature during December is 10°C (50°F) and the low-temperature is 4.9°C (40.8°F).

January and December, with an average relative humidity of 86%, are most humid months in Saint-Jean-de-Boiseau.

The average relative humidity in December is 86%.

December is the month with the most rainfall. Rain falls for 14.5 days and accumulates 66mm (2.6") of precipitation.

In Saint-Jean-de-Boiseau, in December, it is raining for 14.5 days, with typically 66mm (2.6") of accumulated precipitation.

March, May through October and December are months without snowfall in Saint-Jean-de-Boiseau.

In December, in Saint-Jean-de-Boiseau, it doesn't snow. November is the latest month when it typically snows.

The month with the shortest days in Saint-Jean-de-Boiseau, France, is December, with an average of 8h and 36min of daylight.

In December, the average day length in Saint-Jean-de-Boiseau, France, is 8h and 34min.

On the first day of December in Saint-Jean-de-Boiseau, France, sunrise is at 08:33 and sunset at 17:19. On the last day of the month, sunrise is at 08:53 and sunset at 17:26 CET.

In December, the average sunshine duration is 4.7h.

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Saint-Jean-de-Boiseau, France.

In Saint-Jean-de-Boiseau, France, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Saint-Jean-de-Boiseau, France

  • Average high temperature in December: 10°C

The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (8.9°C).

  • Average low temperature in December: 4.9°C

The months with the highest average low temperature are July and August (14°C).
The coldest month (with the lowest average low temperature) is February (2.9°C).

Average pressure in December
Saint-Jean-de-Boiseau, France

  • Average pressure in December: 1019.2mbar

The month with the highest atmospheric pressure is December (1019.2mbar).
The month with the lowest atmospheric pressure is November (1013.5mbar).

Average wind speed in December
Saint-Jean-de-Boiseau, France

  • Average wind speed in December: 17.1km/h

The windiest month (with the highest average wind speed) is February (18km/h).
The calmest month (with the lowest average wind speed) is August (11.8km/h).

Average humidity in December
Saint-Jean-de-Boiseau, France

  • Average humidity in December: 86%

The months with the highest relative humidity are January and December (86%).
The months with the lowest relative humidity are August and September (74%).

Average rainfall in December
Saint-Jean-de-Boiseau, France

  • Average rainfall in December: 66mm

The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is September (21mm).

Average rainfall days in December
Saint-Jean-de-Boiseau, France

  • Average rainfall days in December: 14.5 days

The month with the highest number of rainy days is January (16.3 days).
The month with the least rainy days is September (8.2 days).

Average snowfall in December
Saint-Jean-de-Boiseau, France

  • Average snowfall in December: 0mm

The month with the highest snowfall is January (2mm).
The months with the least snowfall are March, May, June, July, August, September, October and December (0mm).

Average snowfall days in December
Saint-Jean-de-Boiseau, France

  • Average snowfall days in December: 0.2 days

The months with the highest number of snowfall days are January and February (0.5 days).
The months with the least snowfall days are March, May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Saint-Jean-de-Boiseau, France

  • Average daylight in December: 8h and 36min

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 36min).

  • Average sunshine in December: 4h and 42min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in December
Saint-Jean-de-Boiseau, France

  • Average sunshine days in December: 14.3 days

The month with the most sunshine days is September (20.2 days).
The month with the least sunshine days is November (11.6 days).

Average UV index in December
Saint-Jean-de-Boiseau, France

  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Saint-Jean-de-Boiseau, France

  • Average cloud cover in December: 51

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is September (Cloud cover 34).

Average visibility in December
Saint-Jean-de-Boiseau, 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).