December weather forecastTheillay, France

December

Weather in December

The first month of the winter, December, is still a chilly month in Theillay, France, with an average temperature ranging between min 3°C (37.4°F) and max 7.5°C (45.5°F).

Temperature

With the arrival of December, Theillay experiences a modest decline in average high-temperatures, transitioning from a cool 10.9°C (51.6°F) in November to a chilly 7.5°C (45.5°F). Theillay observes a consistent average low-temperature of 3°C (37.4°F) throughout December nights.

Humidity

The most humid month is December, with an average relative humidity of 86%.

Rainfall

In December, in Theillay, the rain falls for 15.8 days. Throughout December, 55mm (2.17") of precipitation is accumulated. Throughout the year, in Theillay, France, there are 167.1 rainfall days, and 500mm (19.69") of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In Theillay, France, in December, during 1.8 snowfall days, 9mm (0.35") of snow is typically accumulated. In Theillay, France, during the entire year, snow falls for 8.4 days and aggregates up to 47mm (1.85") of snow.

Daylight

December has the shortest days of the year in Theillay, with an average of 8h and 30min of daylight.
On the first day of the month, sunrise is at 08:18 and sunset at 17:03. On the last day of December, sunrise is at 08:38 and sunset at 17:11 CET.

Sunshine

The average sunshine in December is 4.3h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index of 2 during December translates into these guidelines:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.

Frequently asked questions

The high-temperature, in December, in Theillay, is 7.5°C (45.5°F), while the low-temperature averages to 3°C (37.4°F).

The most humid month is December, with an average relative humidity of 86%.

The average relative humidity in December is 86%.

In Theillay, France, in December, during 15.8 rainfall days, 55mm (2.17") of precipitation is typically accumulated.

In Theillay, France, in December, snow falls for 1.8 days, with typically accumulated 9mm (0.35") of snow.

December has the shortest days of the year in Theillay, France, with an average of 8h and 30min of daylight.

In Theillay, France, the average day length in December is 8h and 33min.

On the first day of December, sunrise is at 08:18 and sunset at 17:03. On the last day of the month, sunrise is at 08:38 and sunset at 17:11 CET.

In Theillay, France, the average sunshine duration in December is 4.3h.

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

The average daily maximum UV index in December in Theillay is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to the Sun's 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
Theillay, France

  • Average high temperature in December: 7.5°C

The warmest month (with the highest average high temperature) is August (25.3°C).
The month with the lowest average high temperature is January (6.6°C).

  • Average low temperature in December: 3°C

The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is February (1.5°C).

Average pressure in December
Theillay, France

  • Average pressure in December: 1020mbar

The month with the highest atmospheric pressure is December (1020mbar).
The month with the lowest atmospheric pressure is November (1014.6mbar).

Average wind speed in December
Theillay, France

  • Average wind speed in December: 15.3km/h

The windiest month (with the highest average wind speed) is February (16km/h).
The calmest month (with the lowest average wind speed) is August (10.2km/h).

Average humidity in December
Theillay, France

  • Average humidity in December: 86%

The month with the highest relative humidity is December (86%).
The month with the lowest relative humidity is August (70%).

Average rainfall in December
Theillay, France

  • Average rainfall in December: 55mm

The wettest month (with the highest rainfall) is November (57mm).
The driest month (with the least rainfall) is September (26mm).

Average rainfall days in December
Theillay, France

  • Average rainfall days in December: 15.8 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is September (9.2 days).

Average snowfall in December
Theillay, France

  • Average snowfall in December: 9mm

The month with the highest snowfall is February (17mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Theillay, France

  • Average snowfall days in December: 1.8 days

The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

  • Average daylight in December: 8h and 30min

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 18min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in December
Theillay, France

  • Average sunshine days in December: 12.5 days

The month with the most sunshine days is September (18 days).
The month with the least sunshine days is January (11.1 days).

Average UV index in December
Theillay, 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
Theillay, France

  • Average cloud cover in December: 56

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in December
Theillay, France

  • Average visibility in December: 9km

The months with the highest visibility are January, February, March, April, July, August, September, October and December (9km).
The months with the lowest visibility are May, June and November (8km).