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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, like December, in Chartrettes, France, is a wintry winter month, with an average temperature ranging between min 1.5°C (34.7°F) and max 5.8°C (42.4°F). The lowest temperatures are recorded in January, with averages reaching a high of 5.8°C (42.4°F) and a low of 1.5°C (34.7°F). Weather in January »
Weather in February
The last month of the winter, February, is a frosty month in Chartrettes, France, with temperature in the range of an average high of 7.5°C (45.5°F) and an average low of 1.7°C (35.1°F). The average high-temperature during February registers at a frosty 7.5°C (45.5°F), maintaining a close resemblance to the previous month. Weather in February »
Weather in March
March, the first month of the spring in Chartrettes, is a fresh month, with an average temperature fluctuating between 3.9°C (39°F) and 11.7°C (53.1°F). March sees a marginal temperature increase, moving from a frosty 7.5°C (45.5°F) in February to a fresh 11.7°C (53.1°F). Weather in March »
Weather in April
April is a refreshing spring month in Chartrettes, France, with temperature in the range of an average low of 6.5°C (43.7°F) and an average high of 15.9°C (60.6°F). As March transitions into April, Chartrettes notices a gentle rise in the average high-temperature, transitioning from a cool 11.7°C (53.1°F) to a mild 15.9°C (60.6°F). Weather in April »
Weather in May
May, the last month of the spring in Chartrettes, is an enjoyable month, with an average temperature varying between 18.2°C (64.8°F) and 8.7°C (47.7°F). The unfolding of May shows an average high-temperature of a still refreshing 18.2°C (64.8°F), indicating a slight variance from April's 15.9°C (60.6°F). Weather in May »
Weather in June
June, the first month of the summer in Chartrettes, is an agreeable month, with temperature in the range of an average high of 21.3°C (70.3°F) and an average low of 12.1°C (53.8°F). June sees a marginal temperature increase, moving from a comfortable 18.2°C (64.8°F) in May to a pleasant 21.3°C (70.3°F). Weather in June »
Weather in July
July in Chartrettes, France, is a warm summer month, with an average temperature ranging between min 14.4°C (57.9°F) and max 24.4°C (75.9°F). Chartrettes in July denotes a subtle temperature transition, adjusting from an average high of an agreeable 21.3°C (70.3°F) in June to a moderately hot 24.4°C (75.9°F). Weather in July »
Weather in August
August, the last month of the summer in Chartrettes, is another warm month, with temperature in the range of an average high of 24.8°C (76.6°F) and an average low of 14.8°C (58.6°F). August stands out as Chartrettes's warmest month, with temperatures ranging between an average high of 24.8°C (76.6°F) and a low of 14.8°C (58.6°F). Weather in August »
Weather in September
The first month of the autumn, September, is still a pleasant month in Chartrettes, France, with an average temperature fluctuating between 11.7°C (53.1°F) and 20.9°C (69.6°F). September's arrival subtly correlates with a reduction in the average high-temperature, down from a moderately hot 24.8°C (76.6°F) in August to a pleasant 20.9°C (69.6°F). Weather in September »
Weather in October
October, like September, in Chartrettes, France, is another refreshing autumn month, with an average temperature ranging between min 9.2°C (48.6°F) and max 16.3°C (61.3°F). October signals a slight drop in average high-temperature, sliding from September's agreeable 20.9°C (69.6°F) to a refreshing 16.3°C (61.3°F). Weather in October »
Weather in November
November, the last month of the autumn in Chartrettes, is another cool month, with an average temperature varying between 5.5°C (41.9°F) and 10.5°C (50.9°F). As November commences, the average high-temperature shows a reduction, transitioning from a comfortable 16.3°C (61.3°F) in October to a fresh 10.5°C (50.9°F). Weather in November »
Weather in December
December, the first month of the winter in Chartrettes, is still a chilly month, with an average temperature varying between 2.7°C (36.9°F) and 7°C (44.6°F). A moderate decline in average high-temperatures is noted in December, moving from a cool 10.5°C (50.9°F) in November to a frosty 7°C (44.6°F). Weather in December »
Updated: Feb 9, 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 are the coldest months in Chartrettes?
Chartrettes's coldest month, January, generally records average temperatures ranging from a high of 5.8°C (42.4°F) to a low of 1.5°C (34.7°F).
How much does it rain in Chartrettes?
In Chartrettes, France, during the entire year, the rain falls for 194.1 days and collects up to 555mm (21.85") of precipitation.
When does it snow in Chartrettes?
Months with snowfall in Chartrettes, France, are January through March, November and December.
When does it snow the most in Chartrettes?
The month with the most snowfall is January, when snow falls for 3.7 days and typically aggregates up to 33mm (1.3") of snow.
How many days does it snow in Chartrettes?
In Chartrettes, France, during the entire year, snow falls for 11.2 days and aggregates up to 86mm (3.39") of snow.
What is the month with the least sunshine in Chartrettes?
January has the least sunshine of the year in Chartrettes, France, with an average of 3.8h of sunshine.
What are the months with the lowest UV index in Chartrettes?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
When it does not snow in Chartrettes?
April through October are months without snowfall.
What is the wettest month in Chartrettes?
The month with the most rainfall is June, when the rain falls for 18.7 days and typically aggregates up to 64mm (2.52") of precipitation.
When are the longest days in Chartrettes?
With an average of 16h and 6min of daylight, June has the longest days of the year.
What are the months with the highest UV index in Chartrettes?
June through August, with an average maximum UV index of 5, are months with the highest UV index in Chartrettes, France.
What time of the year is the hottest in Chartrettes?
In Chartrettes, France, the peak average temperatures are observed in August, with a high of 24.8°C (76.6°F) and a low of 14.8°C (58.6°F).
What is the least humid month in Chartrettes?
The least humid month in Chartrettes, France, is August, with an average relative humidity of 70%.
What month has the most sunshine in Chartrettes?
The month with the most sunshine in Chartrettes, France, is August, with an average of 9.4h of sunshine.
What is the driest month in Chartrettes?
September is the month with the least rainfall in Chartrettes, France. Rain falls for 11.7 days and accumulates 26mm (1.02") of precipitation.
When is Daylight Saving Time (DST) in Chartrettes?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, 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 most humid month in Chartrettes?
The most humid month in Chartrettes is December, with an average relative humidity of 87%.
What is the month with the shortest days in Chartrettes?
December has the shortest days of the year in Chartrettes, with an average of 8h and 24min of daylight.
Average temperature
Chartrettes, France
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (5.8°C).
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (1.5°C).
Average pressure
Chartrettes, France
- Average pressure in January:
1017.8mbar - Average pressure in February:
1016.5mbar - Average pressure in March:
1016.6mbar - Average pressure in April:
1015.8mbar - Average pressure in May:
1016.8mbar - Average pressure in June:
1016.6mbar
- Average pressure in July:
1016.5mbar - Average pressure in August:
1016.5mbar - Average pressure in September:
1018.1mbar - Average pressure in October:
1017.1mbar - Average pressure in November:
1013.7mbar - Average pressure in December:
1018.6mbar
The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).
Average wind speed
Chartrettes, France
- Average wind speed in January:
14.4km/h - Average wind speed in February:
15.5km/h - Average wind speed in March:
14.2km/h - Average wind speed in April:
11.7km/h - Average wind speed in May:
11.3km/h - Average wind speed in June:
11km/h
- Average wind speed in July:
10.4km/h - Average wind speed in August:
9.9km/h - Average wind speed in September:
10.3km/h - Average wind speed in October:
11.8km/h - Average wind speed in November:
13.8km/h - Average wind speed in December:
15.1km/h
The windiest month (with the highest average wind speed) is February (15.5km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity
Chartrettes, France
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (70%).
Average rainfall
Chartrettes, France
The wettest month (with the highest rainfall) is June (64mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days
Chartrettes, France
- Average rainfall days in January:
17.1 days - Average rainfall days in February:
14.3 days - Average rainfall days in March:
15.1 days - Average rainfall days in April:
15.7 days - Average rainfall days in May:
18.7 days - Average rainfall days in June:
18.7 days
- Average rainfall days in July:
17.8 days - Average rainfall days in August:
15.8 days - Average rainfall days in September:
11.7 days - Average rainfall days in October:
14.8 days - Average rainfall days in November:
16.9 days - Average rainfall days in December:
17.5 days
The months with the highest number of rainy days are May and June (18.7 days).
The month with the least rainy days is September (11.7 days).
Average snowfall
Chartrettes, France
The month with the highest snowfall is January (33mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days
Chartrettes, France
- Average snowfall days in January:
3.7 days - Average snowfall days in February:
3.6 days - Average snowfall days in March:
0.8 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:
0.8 days - Average snowfall days in December:
2.3 days
The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Chartrettes, France
- Average daylight in January:
8h and 5min - Average daylight in February:
10h and 1min - 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:
16h and 1min
- Average daylight in July:
15h and 4min - Average daylight in August:
14h and 2min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 1min - Average daylight in December:
8h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
5h and 0min - Average sunshine in March:
6h and 1min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 2min - Average sunshine in June:
8h and 4min
- Average sunshine in July:
9h and 1min - Average sunshine in August:
9h and 2min - Average sunshine in September:
7h and 5min - Average sunshine in October:
6h and 0min - Average sunshine in November:
4h and 2min - Average sunshine in December:
4h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Chartrettes, France
- Average sunshine days in January:
9.7 days - Average sunshine days in February:
8.8 days - Average sunshine days in March:
12.8 days - Average sunshine days in April:
11.7 days - Average sunshine days in May:
8.9 days - Average sunshine days in June:
8.2 days
- Average sunshine days in July:
9.9 days - Average sunshine days in August:
11.8 days - Average sunshine days in September:
15.1 days - Average sunshine days in October:
13.5 days - Average sunshine days in November:
8.6 days - Average sunshine days in December:
9 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is June (8.2 days).
Average UV index
Chartrettes, France
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
Chartrettes, France
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 36).
Average visibility
Chartrettes, France
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January and November (8km).
