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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 Mennecy, France, is a frosty winter month, with temperature in the range of an average high of 6°C (42.8°F) and an average low of 1.8°C (35.2°F). Mennecy's January weather, marked by an average high temperature of 6°C (42.8°F) and an average low temperature of 1.8°C (35.2°F), is the coldest in the year. Weather in January »
Weather in February
February, the last month of the winter in Mennecy, is another chilly month, with an average temperature ranging between min 1.8°C (35.2°F) and max 7.6°C (45.7°F). With the onset of February, the average high-temperature registers at a still frosty 7.6°C (45.7°F), subtly different from January's 6°C (42.8°F). Weather in February »
Weather in March
The first month of the spring, March, is a cool month in Mennecy, France, with an average temperature varying between 4.1°C (39.4°F) and 11.8°C (53.2°F). Mennecy's March weather indicates a minor increase in high-temperatures, edging from February's frosty 7.6°C (45.7°F) to a cool 11.8°C (53.2°F). Weather in March »
Weather in April
April in Mennecy, France, is a refreshing spring month, with temperature in the range of an average low of 6.8°C (44.2°F) and an average high of 16.1°C (61°F). April signals a minor shift in the average high-temperature, moving from March's cool 11.8°C (53.2°F) to a refreshing 16.1°C (61°F). Weather in April »
Weather in May
The last month of the spring, May, is another refreshing month in Mennecy, France, with an average temperature fluctuating between 8.9°C (48°F) and 18.4°C (65.1°F). May experiences an average high-temperature of a still comfortable 18.4°C (65.1°F), barely different from April's 16.1°C (61°F). Weather in May »
Weather in June
June, the first month of the summer in Mennecy, is a pleasant month, with an average temperature varying between 21.6°C (70.9°F) and 12.3°C (54.1°F). The start of June brings a subtle rise in the average high-temperature, moving from a refreshing 18.4°C (65.1°F) in May to an agreeable 21.6°C (70.9°F). Weather in June »
Weather in July
July in Mennecy, France, is a moderately hot summer month, with an average temperature fluctuating between 14.7°C (58.5°F) and 24.7°C (76.5°F). As July arrives, Mennecy's weather shows a minor increase in high-temperatures, edging from June's pleasant 21.6°C (70.9°F) to a moderately hot 24.7°C (76.5°F). Weather in July »
Weather in August
August, the last month of the summer in Mennecy, is also a moderately hot month, with an average temperature fluctuating between 15°C (59°F) and 24.9°C (76.8°F). Temperature records mark August as the warmest month, with highs averaging 24.9°C (76.8°F) and lows at 15°C (59°F). Weather in August »
Weather in September
The first month of the autumn, September, is also an agreeable month in Mennecy, France, with an average temperature fluctuating between 21.1°C (70°F) and 11.7°C (53.1°F). As August transitions into September, Mennecy sees a gentle drop in the average high-temperature, transitioning from a moderately hot 24.9°C (76.8°F) to an agreeable 21.1°C (70°F). Weather in September »
Weather in October
October, like September, in Mennecy, France, is another comfortable autumn month, with an average temperature varying between 9.3°C (48.7°F) and 16.6°C (61.9°F). Mennecy in October experiences a gentle temperature dip, with average high-temperatures reducing from an agreeable 21.1°C (70°F) in September to a comfortable 16.6°C (61.9°F). Weather in October »
Weather in November
November, the last month of the autumn in Mennecy, is also a fresh month, with an average temperature fluctuating between 5.6°C (42.1°F) and 10.6°C (51.1°F). Welcoming November, Mennecy observes a shift in the average high-temperature, falling from October's comfortable 16.6°C (61.9°F) to a cool 10.6°C (51.1°F). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Mennecy, France, with an average temperature varying between 2.9°C (37.2°F) and 7.5°C (45.5°F). The shift from November to December coincides with a small decrease in the average high-temperature, down to a chilly 7.5°C (45.5°F) from a cool 10.6°C (51.1°F). Weather in December »
Updated: Jun 12, 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 month is the coldest?
January stands out as Mennecy's coldest month, with temperatures ranging between an average high of 6°C (42.8°F) and a low of 1.8°C (35.2°F).
What is the most humid month in Mennecy?
The months with the highest humidity are January and December, with an average relative humidity of 86%.
How much does it rain?
In Mennecy, during the entire year, the rain falls for 153.5 days and collects up to 330mm (12.99") of precipitation.
When does it snow?
January through March, November and December are months with snowfall.
How much does it snow in Mennecy?
In Mennecy, during the entire year, snow falls for 8.2 days and aggregates up to 51mm (2.01") of snow.
What is the month with the least sunshine?
With an average of 3.9h of sunshine, January has the least sunshine of the year.
What is the month with the lowest UV index?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
What is the snowiest month?
The months with the most snowfall are February and December, with an average 15mm (0.59") of accumulated snow.
When it does not snow?
In Mennecy, snow does not fall in April through October.
What is the wettest month?
The month with the most rainfall is June, when the rain falls for 15.2 days and typically aggregates up to 40mm (1.57") of precipitation.
When are the longest days in Mennecy?
The month with the longest days is June, with an average of 16h and 6min of daylight.
What is the month with the highest UV index?
The months with the highest UV index are June through August, with an average maximum UV index of 5.
What part of the year is the hottest?
The month of August, characterized by an average high of 24.9°C (76.8°F) and a low of 15°C (59°F), is recognized as the warmest in Mennecy, France.
What is the least humid month?
August is the least humid month, with an average relative humidity of 69%.
What month has the most sunshine?
August has the most sunshine of the year, with an average of 9.4h of sunshine.
What is the driest month?
The month with the least rainfall is September, when the rain falls for 9.1 days and typically collects 16mm (0.63") of precipitation.
When is Daylight Saving Time (DST)?
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 month with the shortest days?
December has the shortest days of the year, with an average of 8h and 24min of daylight.
Average temperature
Mennecy, France
The warmest month (with the highest average high temperature) is August (24.9°C).
The month with the lowest average high temperature is January (6°C).
The month with the highest average low temperature is August (15°C).
The coldest months (with the lowest average low temperature) are January and February (1.8°C).
Average pressure
Mennecy, France
- Average pressure in January:
1017.8mbar - Average pressure in February:
1016.4mbar - Average pressure in March:
1016.6mbar - Average pressure in April:
1015.8mbar - Average pressure in May:
1016.8mbar - Average pressure in June:
1016.7mbar
- Average pressure in July:
1016.6mbar - Average pressure in August:
1016.6mbar - Average pressure in September:
1018.1mbar - Average pressure in October:
1017.1mbar - Average pressure in November:
1013.6mbar - Average pressure in December:
1018.5mbar
The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is November (1013.6mbar).
Average wind speed
Mennecy, 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:
11.4km/h - Average wind speed in June:
11.1km/h
- Average wind speed in July:
10.5km/h - Average wind speed in August:
10km/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:
15km/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 (10km/h).
Average humidity
Mennecy, France
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (69%).
Average rainfall
Mennecy, France
The wettest month (with the highest rainfall) is June (40mm).
The driest month (with the least rainfall) is September (16mm).
Average rainfall days
Mennecy, France
- Average rainfall days in January:
13.3 days - Average rainfall days in February:
11.6 days - Average rainfall days in March:
12.6 days - Average rainfall days in April:
13.6 days - Average rainfall days in May:
14.8 days - Average rainfall days in June:
15.2 days
- Average rainfall days in July:
14 days - Average rainfall days in August:
11.5 days - Average rainfall days in September:
9.1 days - Average rainfall days in October:
11.8 days - Average rainfall days in November:
13 days - Average rainfall days in December:
13 days
The month with the highest number of rainy days is June (15.2 days).
The month with the least rainy days is September (9.1 days).
Average snowfall
Mennecy, France
The months with the highest snowfall are February and December (15mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days
Mennecy, France
- Average snowfall days in January:
2.4 days - Average snowfall days in February:
2.7 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:
0.6 days - Average snowfall days in December:
1.7 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Mennecy, 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 2min - 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 3min - 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 54min).
Average sunshine days
Mennecy, France
- Average sunshine days in January:
13.6 days - Average sunshine days in February:
12.3 days - Average sunshine days in March:
15.4 days - Average sunshine days in April:
14.2 days - Average sunshine days in May:
13 days - Average sunshine days in June:
11 days
- Average sunshine days in July:
13.8 days - Average sunshine days in August:
16.8 days - Average sunshine days in September:
18.4 days - Average sunshine days in October:
17 days - Average sunshine days in November:
13.8 days - Average sunshine days in December:
13 days
The month with the most sunshine days is September (18.4 days).
The month with the least sunshine days is June (11 days).
Average UV index
Mennecy, 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
Mennecy, France
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility
Mennecy, France
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).
