Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
January
Weather in January
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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Challans?
What is the average January temperature in Challans?
What is the most humid month in Challans?
What is the average humidity in January in Challans?
How much does it rain in Challans in January?
When it does not snow in Challans?
Does it snow in Challans in January?
How many hours of daylight does Challans have in January?
What time are sunrise and sunset in January in Challans?
What are the months with the least sunshine in Challans?
How many hours of sunshine does Challans have in January?
What are the months with the lowest UV index in Challans?
What is the UV index intensity in January in Challans?
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 4min
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).
