December weather forecast
Nantes, France

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An aerial panorama of the colorful and dense city of Nantes in France
An aerial panorama of the colorful and dense city of Nantes in France

Weather in December

December marks the arrival of winter in Nantes, bringing with it cold temperatures and a scarce amount of daylight. The city’s atmosphere orchestrates the festive period beautifully with holiday lights and decorations changing the cityscape. Snowfall remains elusive, yet the frigid air reinforces a winter feel throughout the city. The pressure measurement in December observes an upswing, touching 1019.2mb, significantly higher than in previous months.

Temperature

The shift into December records an average high-temperature of a still fresh 10°C (50°F), subtly varied from November's 12.7°C (54.9°F). Nantes sees an average low-temperature of 4.9°C (40.8°F) during December.

Humidity

January and December, with an average relative humidity of 86%, are the most humid months in Nantes.

Rainfall

The month with the most rainfall is December, when the rain falls for 14.5 days and typically aggregates up to 66mm (2.6") of precipitation.

Snowfall

In Nantes, snow does not fall in March, May through October and December.

Daylight

December has the shortest days of the year in Nantes, with an average of 8h and 36min of daylight.
On the first day of December in Nantes, sunrise is at 08:32 and sunset at 17:18. On the last day of the month, sunrise is at 08:52 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 Nantes are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: A typical high UV index of 2 in December suggests the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The Sun's radiation is especially intense around midday; try to stay in shade during this period. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
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Frequently asked questions

What are December temperatures in Nantes?

In December, the average high-temperature and low-temperature in Nantes, France, are 10°C (50°F) and 4.9°C (40.8°F) respectively.

What are the most humid months in Nantes?

January and December, with an average relative humidity of 86%, are most humid months in Nantes, France.

What is the average humidity in December in Nantes?

In Nantes, France, the average relative humidity in December is 86%.

What is the wettest month in Nantes?

The month with the most rainfall in Nantes is December, when the rain falls for 14.5 days and typically aggregates up to 66mm (2.6") of precipitation.

How many days does it rain in December in Nantes?

In December, in Nantes, the rain falls for 14.5 days. Throughout December, 66mm (2.6") of precipitation is accumulated.

When it does not snow in Nantes?

In Nantes, snow does not fall in March, May through October and December.

Does it snow in Nantes in December?

In December, it doesn't snow. November is the latest month when it typically snows.

What is the month with the shortest days in Nantes?

December has the shortest days of the year in Nantes, with an average of 8h and 36min of daylight.

How many hours of daylight does Nantes have in December?

The average day length in December is 8h and 34min.

When are sunrise and sunset in December in Nantes?

In December, on the first day of the month, sunrise is at 08:32 and sunset at 17:18. On the last day of the month, in Nantes, sunrise is at 08:52 and sunset at 17:26 CET.

How long on average sun shines in December in Nantes?

The average sunshine duration in December in Nantes, France, is 4.7h.

What are the months with the lowest UV index in Nantes?

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

What is the UV index reading in December in Nantes?

In December, the average daily maximum UV index in Nantes is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
Nantes, France

Average temperature in December - Nantes, 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).

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Average pressure in December
Nantes, France

Average pressure in December - Nantes, 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).

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Average wind speed in December
Nantes, France

Average wind speed in December - Nantes, 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).

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Average humidity in December
Nantes, France

Average humidity in December - Nantes, 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%).

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Average rainfall in December
Nantes, France

Average rainfall in December - Nantes, 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).

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Average rainfall days in December
Nantes, France

Average rainfall days in December - Nantes, 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).

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Average snowfall in December
Nantes, France

Average snowfall in December - Nantes, 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).

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Average snowfall days in December
Nantes, France

Average snowfall days in December - Nantes, 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).

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

Average daylight in December / Average sunshine in December - Nantes, France
  • Average daylight in December: 8h and 4min

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 4min

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).

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Average sunshine days in December
Nantes, France

Average sunshine days in December - Nantes, 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).

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Average UV index in December
Nantes, France

Average UV index in December - Nantes, 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).

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Average cloud cover in December
Nantes, France

Average cloud cover in December - Nantes, 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).

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Average visibility in December
Nantes, France

Average visibility in December - Nantes, 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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Nantes, France

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