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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
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). The temperature hits its lowest levels in January and February, recording an average high-temperature of 9.9°C (49.8°F). Weather in January »
Weather in February
The last month of the winter, February, is another chilly month in Challans, France, with an average temperature ranging between min 5.8°C (42.4°F) and max 9.9°C (49.8°F). January and February represent the coldest period, with an average high-temperature of 9.9°C (49.8°F). Weather in February »
Weather in March
March, the first month of the spring in Challans, is a fresh month, with an average temperature varying between 6.9°C (44.4°F) and 11.9°C (53.4°F). March's weather displays an average high-temperature of a cool 11.9°C (53.4°F), slightly varied from February's 9.9°C (49.8°F). Weather in March »
Weather in April
April is a mild spring month in Challans, France, with temperature in the range of an average low of 8.8°C (47.8°F) and an average high of 14.3°C (57.7°F). Transitioning into April, Challans records an average high-temperature of a moderate 14.3°C (57.7°F), almost identical to March's 11.9°C (53.4°F). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Challans, France, with an average temperature varying between 16.8°C (62.2°F) and 11.4°C (52.5°F). Challans marks the onset of May with an average high-temperature of a comfortable 16.8°C (62.2°F), subtly divergent from April's 14.3°C (57.7°F). Weather in May »
Weather in June
June, the first month of the summer in Challans, is an agreeable month, with an average temperature ranging between max 20.1°C (68.2°F) and min 14.7°C (58.5°F). Challans's weather shows a minor temperature rise with the arrival of June, moving from an enjoyable 16.8°C (62.2°F) in May to an agreeable 20.1°C (68.2°F). Weather in June »
Weather in July
July, like June, is an agreeable summer month in Challans, France, with an average temperature varying between 22.2°C (72°F) and 16.6°C (61.9°F). In Challans, the month of July is known for its highest average temperatures, reaching a high of 22.2°C (72°F) and a low of 16.6°C (61.9°F). Weather in July »
Weather in August
The last month of the summer, August, is also an agreeable month in Challans, France, with an average temperature varying between 22°C (71.6°F) and 16.8°C (62.2°F). Challans notes an average high-temperature of a still pleasant 22°C (71.6°F) in August, displaying minor variation from July. Weather in August »
Weather in September
The first month of the autumn, September, is also an agreeable month in Challans, France, with temperature in the range of an average high of 20.7°C (69.3°F) and an average low of 15°C (59°F). Challans measures an average high-temperature of a still agreeable 20.7°C (69.3°F) in September, nearly consistent with the preceding month. Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Challans, France, with temperature in the range of an average low of 13.4°C (56.1°F) and an average high of 17.5°C (63.5°F). In the transition to October, Challans observes a minor drop in the average high-temperature, shifting from a pleasant 20.7°C (69.3°F) in September to an enjoyable 17.5°C (63.5°F). Weather in October »
Weather in November
November, the last month of the autumn in Challans, is another mild month, with an average temperature fluctuating between 10.4°C (50.7°F) and 13.5°C (56.3°F). November's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from October's refreshing 17.5°C (63.5°F) to a mild 13.5°C (56.3°F). Weather in November »
Weather in December
December, the first month of the winter in Challans, is also a fresh month, with temperature in the range of an average low of 7.9°C (46.2°F) and an average high of 11.1°C (52°F). December's arrival registers an average high-temperature of a fresh 11.1°C (52°F), closely aligning with the temperature of the previous month. Weather in December »
Updated: Feb 8, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Challans?
Challans witnesses its lowest temperatures during January and February, when the average high-temperature reaches 9.9°C (49.8°F).
What is the most humid month in Challans?
The months with the highest humidity are January and December, with an average relative humidity of 81%.
How much does it rain in Challans?
Throughout the year, in Challans, France, there are 176.3 rainfall days, and 575mm (22.64") of precipitation is accumulated.
When it does not snow in Challans?
In Challans, France, snow does not fall in January through November.
How many days does it snow in Challans?
In Challans, during the entire year, snow falls for 0.7 days and aggregates up to 1mm (0.04") of snow.
What are the months with the least sunshine in Challans?
January and December, with an average of 4.6h of sunshine, are months with the least sunshine in Challans, France.
What are the months with the lowest UV index in Challans?
The months with the lowest UV index in Challans are January through April, November and December, with an average maximum UV index of 3.
What are the months with the highest UV index in Challans?
May through September, with an average maximum UV index of 5, are months with the highest UV index in Challans.
When are the longest days in Challans?
With an average of 15h and 48min of daylight, June has the longest days of the year in Challans, France.
What are the warmest months in Challans?
The warmest period in Challans is July, when temperatures fluctuate between an average high of 22.2°C (72°F) and a low of 16.6°C (61.9°F).
What month has the most sunshine in Challans?
The month with the most sunshine in Challans, France, is July, with an average of 10.2h of sunshine.
What is the least humid month in Challans?
With an average relative humidity of 73%, September is the least humid month in Challans.
What is the driest month in Challans?
September is the month with the least rainfall in Challans. Rain falls for 10.4 days and accumulates 29mm (1.14") of precipitation.
When is Daylight Saving Time (DST) in Challans?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Challans, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.
What is the rainiest month in Challans?
The month with the most rainfall is November, when the rain falls for 17.7 days and typically aggregates up to 83mm (3.27") of precipitation.
When does it snow in Challans?
The only month with snowfall in Challans is December.
When does it snow the most in Challans?
December is the month with the most snowfall in Challans, France. Snow falls for 0.2 days and accumulates 1mm (0.04") of snow.
What is the month with the shortest days in Challans?
December has the shortest days of the year in Challans, France, with an average of 8h and 36min of daylight.
Average temperature
Challans, France
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).
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
Challans, France
- Average pressure in January:
1018.6mbar - Average pressure in February:
1017.2mbar - Average pressure in March:
1016.9mbar - Average pressure in April:
1015.6mbar - Average pressure in May:
1017.2mbar - Average pressure in June:
1017mbar
- Average pressure in July:
1017.4mbar - Average pressure in August:
1017.4mbar - Average pressure in September:
1018.3mbar - Average pressure in October:
1016.7mbar - Average pressure in November:
1013.8mbar - 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 (1013.8mbar).
Average wind speed
Challans, France
- Average wind speed in January:
23.6km/h - Average wind speed in February:
23.8km/h - Average wind speed in March:
21.4km/h - Average wind speed in April:
18.3km/h - Average wind speed in May:
18.1km/h - Average wind speed in June:
16.9km/h
- Average wind speed in July:
16.4km/h - Average wind speed in August:
15.8km/h - Average wind speed in September:
16.8km/h - Average wind speed in October:
18.9km/h - Average wind speed in November:
23.6km/h - Average wind speed in December:
24.2km/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
Challans, France
The months with the highest relative humidity are January and December (81%).
The month with the lowest relative humidity is September (73%).
Average rainfall
Challans, France
The wettest month (with the highest rainfall) is November (83mm).
The driest month (with the least rainfall) is September (29mm).
Average rainfall days
Challans, France
- Average rainfall days in January:
19.3 days - Average rainfall days in February:
14.8 days - Average rainfall days in March:
14.8 days - Average rainfall days in April:
12.8 days - Average rainfall days in May:
13.9 days - Average rainfall days in June:
14.8 days
- Average rainfall days in July:
14.3 days - Average rainfall days in August:
12.6 days - Average rainfall days in September:
10.4 days - Average rainfall days in October:
13.9 days - Average rainfall days in November:
17.7 days - Average rainfall days in December:
17 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
Challans, France
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
Challans, France
- Average snowfall days in January:
0.2 days - Average snowfall days in February:
0.3 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
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 / Average sunshine
Challans, France
- Average daylight in January:
9h and 0min - Average daylight in February:
10h and 2min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 1min - Average daylight in June:
15h and 5min
- Average daylight in July:
15h and 2min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 2min - 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 January:
4h and 4min - Average sunshine in February:
6h and 2min - Average sunshine in March:
6h and 5min - Average sunshine in April:
7h and 5min - Average sunshine in May:
9h and 2min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 1min - Average sunshine in September:
8h and 1min - Average sunshine in October:
7h and 1min - Average sunshine in November:
4h and 4min - Average sunshine in December:
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
Challans, France
- Average sunshine days in January:
9.2 days - Average sunshine days in February:
11.5 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
14.8 days - Average sunshine days in May:
13.8 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
13.3 days - Average sunshine days in August:
15.3 days - Average sunshine days in September:
17.7 days - Average sunshine days in October:
14.5 days - Average sunshine days in November:
9.8 days - Average sunshine days in December:
11.1 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
Challans, France
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
Challans, France
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
Challans, France
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).
