January 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 January

Nantes begins the year with relatively cold weather, yet without any extreme conditions. The city experiences a brisk onset of winter, which eases gradually as the month proceeds. Rainfall, albeit lower than the later months, is still present, making the damp conditions palpable. Gusts of wind typically sweep across the city, pushing the chill factor up a notch. The most extreme weather event observed during January is the snowfall reaching 2mm (0.08") with a corresponding 0.5 day of snowfall occurrence.

Temperature

January, having an average high-temperature of 8.9°C (48°F) and an average low-temperature of 3.4°C (38.1°F), is the coldest month in Nantes.

Humidity

The months with the highest humidity in Nantes, France, are January and December, with an average relative humidity of 86%.

Rainfall

In January, the rain falls for 16.3 days. Throughout January, 47mm (1.85") of precipitation is accumulated. Throughout the year, in Nantes, there are 158.5 rainfall days, and 472mm (18.58") of precipitation is accumulated.

Snowfall

January, February, April and November are months with snowfall. The month with the most snowfall is January, when snow falls for 0.5 days and typically aggregates up to 2mm (0.08") of snow.

Daylight

In January, the average length of the day is 8h and 59min.
On the first day of January, sunrise is at 08:52 and sunset at 17:26. On the last day of the month, sunrise is at 08:33 and sunset at 18:05 CET.

Sunshine

January has the least sunshine of the year in Nantes, with an average of 4.5h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Nantes. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.
Note: In January, the maximum UV index of 2 suggests these recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.

Frequently asked questions

What month is the coldest in Nantes?

With average high temperatures of 8.9°C (48°F) and lows of 3.4°C (38.1°F), January is the coldest month.

What is the usual temperature for Nantes in January?

In Nantes, in January, the average high-temperature is 8.9°C (48°F), and the average low-temperature is 3.4°C (38.1°F).

What are the most humid months in Nantes?

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

What is the average humidity in January in Nantes?

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

How much does it rain in Nantes in January?

In January, in Nantes, the rain falls for 16.3 days. Throughout January, 47mm (1.85") of precipitation is accumulated.

When does it snow the most in Nantes?

January is the month with the most snowfall in Nantes. Snow falls for 0.5 days and accumulates 2mm (0.08") of snow.

When does it start to snow in Nantes?

January is the first month it typically snows in Nantes. Throughout January, in the average 0.5 snowfall days, it receives 2mm (0.08") of snow.

What is the average length of the day in January in Nantes?

The average day length in January in Nantes, France, is 8h and 59min.

What time are sunrise and sunset in January in Nantes?

In January, on the first day of the month, sunrise is at 08:52 and sunset at 17:26. On the last day of the month, in Nantes, sunrise is at 08:33 and sunset at 18:05 CET.

What is the month with the least sunshine in Nantes?

January has the least sunshine of the year in Nantes, with an average of 4.5h of sunshine.

How many hours of sunshine does Nantes have in January?

In January, the average sunshine duration is 4.5h.

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.

How high is the UV index in January in Nantes?

In Nantes, France, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's 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 January
Nantes, France

Average temperature in January - Nantes, France
  • Average high temperature in January: 8.9°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 January: 3.4°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 January
Nantes, France

Average pressure in January - Nantes, France
  • Average pressure in January: 1018.2mbar

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 January
Nantes, France

Average wind speed in January - Nantes, France
  • Average wind speed in January: 17.3km/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 January
Nantes, France

Average humidity in January - Nantes, France
  • Average humidity in January: 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 January
Nantes, France

Average rainfall in January - Nantes, France
  • Average rainfall in January: 47mm

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

Average rainfall days in January
Nantes, France

Average rainfall days in January - Nantes, France
  • Average rainfall days in January: 16.3 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 January
Nantes, France

Average snowfall in January - Nantes, France
  • Average snowfall in January: 2mm

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 January
Nantes, France

Average snowfall days in January - Nantes, France
  • Average snowfall days in January: 0.5 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 January /
Average sunshine in January
Nantes, France

Average daylight in January / Average sunshine in January - Nantes, France
  • Average daylight in January: 9h and 0min

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 January: 4h and 3min

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 January
Nantes, France

Average sunshine days in January - Nantes, France
  • Average sunshine days in January: 12.3 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 January
Nantes, France

Average UV index in January - Nantes, France
  • Average UV index in January: 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 January
Nantes, France

Average cloud cover in January - Nantes, France
  • Average cloud cover in January: 55

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 January
Nantes, France

Average visibility in January - Nantes, France
  • Average visibility in January: 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).

Nantes, France

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