January weather forecastChallans, France

January

Weather in January

January, the same as December, in Challans, France, is another chilly winter month, with temperature in the range of an average low of 6.3°C (43.3°F) and an average high of 9.9°C (49.8°F).

Temperature

The temperature hits its lowest levels in January and February, recording an average high-temperature of 9.9°C (49.8°F).

Humidity

The months with the highest humidity in Challans are January and December, with an average relative humidity of 81%.

Rainfall

In Challans, France, during January, the rain falls for 19.3 days and regularly aggregates up to 65mm (2.56") of precipitation. In Challans, during the entire year, the rain falls for 176.3 days and collects up to 575mm (22.64") of precipitation.

Snowfall

January through November are months without snowfall in Challans.

Daylight

The average length of the day in January in Challans is 9h and 2min.
On the first day of the month, sunrise is at 08:52 and sunset at 17:29. On the last day of January, in Challans, sunrise is at 08:33 and sunset at 18:08 CET.

Sunshine

January and December, with an average of 4.6h of sunshine, are months with the least sunshine.

UV index

January through April, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: An average UV index of 3 in January transforms into this advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.

Updated: Feb 8, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Challans witnesses its lowest temperatures during January and February, when the average high-temperature reaches 9.9°C (49.8°F).

The high-temperature during January is 9.9°C (49.8°F) and the low-temperature is 6.3°C (43.3°F).

The months with the highest humidity in Challans are January and December, with an average relative humidity of 81%.

In January, the average relative humidity in Challans is 81%.

In January, in Challans, the rain falls for 19.3 days. Throughout January, 65mm (2.56") of precipitation is accumulated.

In Challans, France, snow does not fall in January through November.

In January, in Challans, France, it doesn't snow. December is the latest month when it typically snows.

The average day length in January in Challans is 9h and 2min.

In January, on the first day of the month, sunrise is at 08:52 and sunset at 17:29. On the last day of the month, in Challans, sunrise is at 08:33 and sunset at 18:08 CET.

January and December, with an average of 4.6h of sunshine, are months with the least sunshine in Challans, France.

In January, the average sunshine duration in Challans is 4.6h.

The months with the lowest UV index in Challans are January through April, November and December, with an average maximum UV index of 3.

In January, the average daily maximum UV index in Challans is 3. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year January F M A M J J A S O N D

Dec

January

Feb

Average high temperature

11.1°C

9.9°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

25.7km/h

24.8km/h

25.1km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

11.1

9.2

11.5

Average UV index

Average cloud cover

Average visibility

Average temperature in January
Challans, France

Average high temperature in January: 9.9°C

The warmest month (with the highest average high temperature) is July (22.2°C).
The months with the lowest average high temperature are January and February (9.9°C).

Average low temperature in January: 6.3°C

The month with the highest average low temperature is August (16.8°C).
The coldest month (with the lowest average low temperature) is February (5.8°C).

Average pressure in January
Challans, France

Average pressure in January: 1018.6mbar

The month with the highest atmospheric pressure is December (1019.6mbar).
The month with the lowest atmospheric pressure is November (1013.8mbar).

Average wind speed in January
Challans, France

Average wind speed in January: 23.6km/h

The windiest month (with the highest average wind speed) is December (24.2km/h).
The calmest month (with the lowest average wind speed) is August (15.8km/h).

Average humidity in January
Challans, France

Average humidity in January: 81%

The months with the highest relative humidity are January and December (81%).
The month with the lowest relative humidity is September (73%).

Average rainfall in January
Challans, France

Average rainfall in January: 65mm

The wettest month (with the highest rainfall) is November (83mm).
The driest month (with the least rainfall) is September (29mm).

Average rainfall days in January
Challans, France

Average rainfall days in January: 19.3 days

The month with the highest number of rainy days is January (19.3 days).
The month with the least rainy days is September (10.4 days).

Average snowfall in January
Challans, France

Average snowfall in January: 0mm

The month with the highest snowfall is December (1mm).
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0mm).

Average snowfall days in January
Challans, France

Average snowfall days in January: 0.2 days

The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

Average daylight in January /
Average sunshine in January
Challans, France

Average daylight in January: 9h and 0min

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 January: 4h and 36min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and December (Average sunshine: 4h and 36min).

Average sunshine days in January
Challans, France

Average sunshine days in January: 9.2 days

The month with the most sunshine days is September (17.7 days).
The month with the least sunshine days is January (9.2 days).

Average UV index in January
Challans, France

Average UV index in January: 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, February, March, April, November and December (UV index 3).

Average cloud cover in January
Challans, 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 31).

Average visibility in January
Challans, France

Average visibility in January: 9km

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).