December weather forecast
La Roche-sur-Yon, France

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Weather in December

December, the first month of the winter in La Roche-sur-Yon, is still a cool month, with an average temperature fluctuating between 5.3°C (41.5°F) and 10.3°C (50.5°F).

Temperature

A minor adjustment in La Roche-sur-Yon's average high-temperature is noted with the start of December, touching a still fresh 10.3°C (50.5°F) from November's 12.7°C (54.9°F). Throughout December, La Roche-sur-Yon's nights cool down to an average of 5.3°C (41.5°F).

Humidity

January and December, with an average relative humidity of 85%, are the most humid months.

Rainfall

In December, in La Roche-sur-Yon, France, the rain falls for 13 days. Throughout December, 61mm (2.4") of precipitation is accumulated. In La Roche-sur-Yon, during the entire year, the rain falls for 151.1 days and collects up to 468mm (18.43") of precipitation.

Snowfall

Months with snowfall are January through March and December. December is the first month it typically snows in La Roche-sur-Yon. Throughout December, in the average 0.6 snowfall days, it receives 2mm (0.08") of snow. In La Roche-sur-Yon, during the entire year, snow falls for 2.8 days and aggregates up to 11mm (0.43") of snow.

Daylight

December has the shortest days of the year in La Roche-sur-Yon, France, with an average of 8h and 36min of daylight.
On the first day of the month, sunrise is at 08:30 and sunset at 17:19. On the last day of December, in La Roche-sur-Yon, sunrise is at 08:50 and sunset at 17:27 CET.

Sunshine

The months with the least sunshine are January and December, with an average of 4.7h of sunshine.

UV index

In December, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: The daily high UV index of 3 during December translates into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Stay sun-safe with clothing that is both closely woven and worn loosely. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
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Frequently asked questions

What is the average December temperature in La Roche-sur-Yon?

In December, the average high-temperature and low-temperature in La Roche-sur-Yon, France, are 10.3°C (50.5°F) and 5.3°C (41.5°F) respectively.

What is the most humid month in La Roche-sur-Yon?

January and December, with an average relative humidity of 85%, are most humid months in La Roche-sur-Yon.

What is the average humidity in December in La Roche-sur-Yon?

In December, the average relative humidity in La Roche-sur-Yon, France, is 85%.

How many days does it rain in December in La Roche-sur-Yon?

In December, the rain falls for 13 days. Throughout December, 61mm (2.4") of precipitation is accumulated.

When does it start snowing in La Roche-sur-Yon?

December is the first month it typically snows in La Roche-sur-Yon, France. Throughout December, in the average 0.6 snowfall days, it receives 2mm (0.08") of snow.

What is the month with the shortest days in La Roche-sur-Yon?

The month with the shortest days in La Roche-sur-Yon, France, is December, with an average of 8h and 36min of daylight.

How many hours of daylight does La Roche-sur-Yon have in December?

In La Roche-sur-Yon, France, the average day length in December is 8h and 38min.

When is the sunrise / sunset in December in La Roche-sur-Yon?

On the first day of December in La Roche-sur-Yon, France, sunrise is at 08:30 and sunset at 17:19. On the last day of the month, sunrise is at 08:50 and sunset at 17:27 CET.

What are the months with the least sunshine in La Roche-sur-Yon?

January and December, with an average of 4.7h of sunshine, are months with the least sunshine in La Roche-sur-Yon.

How many hours of sunshine does La Roche-sur-Yon have in December?

The average sunshine duration in December in La Roche-sur-Yon, France, is 4.7h.

What is the UV index reading in December in La Roche-sur-Yon?

In La Roche-sur-Yon, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
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
La Roche-sur-Yon, France

Average temperature in December - La Roche-sur-Yon, France
  • Average high temperature in December: 10.3°C

The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (8.9°C).

  • Average low temperature in December: 5.3°C

The months with the highest average low temperature are July and August (14.8°C).
The coldest month (with the lowest average low temperature) is February (3.2°C).

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Average pressure in December
La Roche-sur-Yon, France

Average pressure in December - La Roche-sur-Yon, France
  • Average pressure in December: 1019.6mbar

The month with the highest atmospheric pressure is December (1019.6mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).

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Average wind speed in December
La Roche-sur-Yon, France

Average wind speed in December - La Roche-sur-Yon, France
  • Average wind speed in December: 17.7km/h

The windiest month (with the highest average wind speed) is February (18.3km/h).
The calmest month (with the lowest average wind speed) is August (12km/h).

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Average humidity in December
La Roche-sur-Yon, France

Average humidity in December - La Roche-sur-Yon, France
  • Average humidity in December: 85%

The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are August and September (72%).

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Average rainfall in December
La Roche-sur-Yon, France

Average rainfall in December - La Roche-sur-Yon, France
  • Average rainfall in December: 61mm

The wettest month (with the highest rainfall) is November (62mm).
The driest months (with the least rainfall) are July and August (23mm).

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Average rainfall days in December
La Roche-sur-Yon, France

Average rainfall days in December - La Roche-sur-Yon, France
  • Average rainfall days in December: 13 days

The month with the highest number of rainy days is November (15 days).
The month with the least rainy days is September (8.4 days).

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Average snowfall in December
La Roche-sur-Yon, France

Average snowfall in December - La Roche-sur-Yon, France
  • Average snowfall in December: 2mm

The month with the highest snowfall is January (5mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

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Average snowfall days in December
La Roche-sur-Yon, France

Average snowfall days in December - La Roche-sur-Yon, France
  • Average snowfall days in December: 0.6 days

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

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Average daylight in December /
Average sunshine in December
La Roche-sur-Yon, France

Average daylight in December / Average sunshine in December - La Roche-sur-Yon, France
  • Average daylight in December: 8h and 4min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and December (Average sunshine: 4h and 42min).

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Average sunshine days in December
La Roche-sur-Yon, France

Average sunshine days in December - La Roche-sur-Yon, France
  • Average sunshine days in December: 16.2 days

The month with the most sunshine days is September (20.6 days).
The month with the least sunshine days is February (13 days).

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Average UV index in December
La Roche-sur-Yon, France

Average UV index in December - La Roche-sur-Yon, France
  • Average UV index in December: 3

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

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Average cloud cover in December
La Roche-sur-Yon, France

Average cloud cover in December - La Roche-sur-Yon, France
  • Average cloud cover in December: 51

The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are August and September (Cloud cover 32).

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Average visibility in December
La Roche-sur-Yon, France

Average visibility in December - La Roche-sur-Yon, 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).

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La Roche-sur-Yon, France

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