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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
Weather in January
January, like December, in Saint-Arnoult-en-Yvelines, France, is a wintry winter month, with temperature in the range of an average high of 5.8°C (42.4°F) and an average low of 1.6°C (34.9°F). With average high temperatures of 5.8°C (42.4°F) and lows of 1.6°C (34.9°F), January is the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is a chilly month in Saint-Arnoult-en-Yvelines, France, with an average temperature fluctuating between 7.5°C (45.5°F) and 1.6°C (34.9°F). February's arrival brings an average high-temperature of a frosty 7.5°C (45.5°F), demonstrating subtle variation from the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in Saint-Arnoult-en-Yvelines, France, with an average temperature ranging between min 3.8°C (38.8°F) and max 11.6°C (52.9°F). March's arrival signals a modest temperature shift, moving from a frosty 7.5°C (45.5°F) in February to a cool 11.6°C (52.9°F). Weather in March »
Weather in April
April is a moderate spring month in Saint-Arnoult-en-Yvelines, France, with an average temperature ranging between min 6.4°C (43.5°F) and max 15.7°C (60.3°F). The coming of April brings a minor shift in Saint-Arnoult-en-Yvelines's weather, with average high-temperatures adjusting from March's cool 11.6°C (52.9°F) to a mild 15.7°C (60.3°F). Weather in April »
Weather in May
The last month of the spring, May, is an enjoyable month in Saint-Arnoult-en-Yvelines, France, with an average temperature fluctuating between 18°C (64.4°F) and 8.8°C (47.8°F). The advent of May observes an average high-temperature of a comfortable 18°C (64.4°F), nearly identical to April's 15.7°C (60.3°F). Weather in May »
Weather in June
The first month of the summer, June, is a pleasant month in Saint-Arnoult-en-Yvelines, France, with an average temperature varying between 12.1°C (53.8°F) and 21.3°C (70.3°F). A slight uplift of average high-temperatures is noted in June, with temperatures adjusting from an enjoyable 18°C (64.4°F) in May to an agreeable 21.3°C (70.3°F). Weather in June »
Weather in July
July in Saint-Arnoult-en-Yvelines, France, is a warm summer month, with temperature in the range of an average high of 23.9°C (75°F) and an average low of 14.4°C (57.9°F). Saint-Arnoult-en-Yvelines experiences an average high-temperature of a moderately hot 23.9°C (75°F) in July, marking an insignificant shift from 21.3°C (70.3°F) in June. Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Saint-Arnoult-en-Yvelines, France, with temperature in the range of an average low of 14.4°C (57.9°F) and an average high of 24.3°C (75.7°F). In Saint-Arnoult-en-Yvelines, August records the highest average temperatures, peaking at 24.3°C (75.7°F) and reaching a low of 14.4°C (57.9°F). Weather in August »
Weather in September
September, the first month of the autumn in Saint-Arnoult-en-Yvelines, is still a pleasant month, with temperature in the range of an average high of 21.1°C (70°F) and an average low of 11.8°C (53.2°F). The start of September signals a gentle decrease in the average high-temperature, transitioning from a warm 24.3°C (75.7°F) in August to a pleasant 21.1°C (70°F). Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Saint-Arnoult-en-Yvelines, France, with temperature in the range of an average high of 16.2°C (61.2°F) and an average low of 9°C (48.2°F). In Saint-Arnoult-en-Yvelines, the average high-temperature in October slightly decreases from a pleasant 21.1°C (70°F) in September to a refreshing 16.2°C (61.2°F). Weather in October »
Weather in November
November, the last month of the autumn in Saint-Arnoult-en-Yvelines, is another cool month, with temperature in the range of an average low of 5.7°C (42.3°F) and an average high of 10.4°C (50.7°F). In November, the meteorological conditions alter, with the average high-temperature shifting from a refreshing 16.2°C (61.2°F) in October to a fresh 10.4°C (50.7°F). Weather in November »
Weather in December
December, the first month of the winter in Saint-Arnoult-en-Yvelines, is still a chilly month, with an average temperature fluctuating between 2.7°C (36.9°F) and 7.1°C (44.8°F). As November makes way for December, Saint-Arnoult-en-Yvelines's average high-temperature eases from a cool 10.4°C (50.7°F) to a chilly 7.1°C (44.8°F). Weather in December »
[Resources]Frequently asked questions
What month is the coldest in Saint-Arnoult-en-Yvelines?
Temperature readings reach their annual highs in January, averaging 5.8°C (42.4°F) and a minimum average of 1.6°C (34.9°F).
What are the most humid months in Saint-Arnoult-en-Yvelines?
January and December, with an average relative humidity of 86%, are most humid months.
How many days does it rain in Saint-Arnoult-en-Yvelines?
In Saint-Arnoult-en-Yvelines, France, during the entire year, the rain falls for 156.9 days and collects up to 321mm (12.64") of precipitation.
When does it snow in Saint-Arnoult-en-Yvelines?
Months with snowfall are January through March, November and December.
What is the snowiest month in Saint-Arnoult-en-Yvelines?
The months with the most snowfall in Saint-Arnoult-en-Yvelines are January, March and December, with an average 18mm (0.71") of accumulated snow.
How many days does it snow in Saint-Arnoult-en-Yvelines?
Throughout the year, there are 10.7 snowfall days, and 75mm (2.95") of snow is accumulated.
What is the month with the least sunshine in Saint-Arnoult-en-Yvelines?
With an average of 3.8h of sunshine, January has the least sunshine of the year.
When is the lowest UV index in Saint-Arnoult-en-Yvelines?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Saint-Arnoult-en-Yvelines, France.
What is the driest month in Saint-Arnoult-en-Yvelines?
April is the month with the least rainfall in Saint-Arnoult-en-Yvelines. Rain falls for 12.3 days and accumulates 17mm (0.67") of precipitation.
When it does not snow in Saint-Arnoult-en-Yvelines?
April through October are months without snowfall in Saint-Arnoult-en-Yvelines.
What is the rainiest month in Saint-Arnoult-en-Yvelines?
The month with the most rainfall in Saint-Arnoult-en-Yvelines is June, when the rain falls for 15.9 days and typically aggregates up to 40mm (1.57") of precipitation.
When are the longest days in Saint-Arnoult-en-Yvelines?
With an average of 16h and 6min of daylight, June has the longest days of the year in Saint-Arnoult-en-Yvelines, France.
What are the months with the highest UV index in Saint-Arnoult-en-Yvelines?
June through August, with an average maximum UV index of 5, are months with the highest UV index in Saint-Arnoult-en-Yvelines.
What are the months with the most sunshine in Saint-Arnoult-en-Yvelines?
The months with the most sunshine in Saint-Arnoult-en-Yvelines, France, are July and August, with an average of 9.1h of sunshine.
What is the warmest month in Saint-Arnoult-en-Yvelines?
Saint-Arnoult-en-Yvelines's warmest temperatures are experienced in August, with average high temperatures of 24.3°C (75.7°F) and lows of 14.4°C (57.9°F).
What is the least humid month in Saint-Arnoult-en-Yvelines?
The least humid month in Saint-Arnoult-en-Yvelines, France, is August, with an average relative humidity of 69%.
When is Daylight Saving Time (DST) in Saint-Arnoult-en-Yvelines?
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 in Saint-Arnoult-en-Yvelines?
With an average of 8h and 24min of daylight, December has the shortest days of the year in Saint-Arnoult-en-Yvelines.
Average temperature
Saint-Arnoult-en-Yvelines, France
The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (5.8°C).
The months with the highest average low temperature are July and August (14.4°C).
The coldest months (with the lowest average low temperature) are January and February (1.6°C).
Average pressure
Saint-Arnoult-en-Yvelines, France
- Average pressure in January:
1017.6mbar - Average pressure in February:
1016.2mbar - Average pressure in March:
1016.6mbar - Average pressure in April:
1015.8mbar - Average pressure in May:
1016.9mbar - Average pressure in June:
1016.7mbar
- Average pressure in July:
1016.6mbar - Average pressure in August:
1016.5mbar - Average pressure in September:
1018mbar - Average pressure in October:
1017mbar - Average pressure in November:
1013.4mbar - Average pressure in December:
1018.3mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is November (1013.4mbar).
Average wind speed
Saint-Arnoult-en-Yvelines, France
- Average wind speed in January:
15km/h - Average wind speed in February:
16km/h - Average wind speed in March:
14.5km/h - Average wind speed in April:
12km/h - Average wind speed in May:
11.7km/h - Average wind speed in June:
11.3km/h
- Average wind speed in July:
10.9km/h - Average wind speed in August:
10.3km/h - Average wind speed in September:
10.8km/h - Average wind speed in October:
12.2km/h - Average wind speed in November:
14.1km/h - Average wind speed in December:
15.6km/h
The windiest month (with the highest average wind speed) is February (16km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).
Average humidity
Saint-Arnoult-en-Yvelines, 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
Saint-Arnoult-en-Yvelines, France
The wettest month (with the highest rainfall) is June (40mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days
Saint-Arnoult-en-Yvelines, France
- Average rainfall days in January:
12.6 days - Average rainfall days in February:
10.1 days - Average rainfall days in March:
12.4 days - Average rainfall days in April:
12.3 days - Average rainfall days in May:
15.8 days - Average rainfall days in June:
15.9 days
- Average rainfall days in July:
15.3 days - Average rainfall days in August:
13.8 days - Average rainfall days in September:
10.3 days - Average rainfall days in October:
12.2 days - Average rainfall days in November:
12.1 days - Average rainfall days in December:
14.1 days
The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (10.1 days).
Average snowfall
Saint-Arnoult-en-Yvelines, France
The months with the highest snowfall are January, March and December (18mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days
Saint-Arnoult-en-Yvelines, France
- Average snowfall days in January:
3.2 days - Average snowfall days in February:
3.3 days - Average snowfall days in March:
1 days - Average snowfall days in April:
0.1 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:
0.7 days - Average snowfall days in December:
2.4 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Saint-Arnoult-en-Yvelines, 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:
4h and 5min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 1min - Average sunshine in June:
8h and 3min
- Average sunshine in July:
9h and 1min - Average sunshine in August:
9h and 1min - Average sunshine in September:
7h and 4min - Average sunshine in October:
5h and 5min - Average sunshine in November:
4h and 1min - Average sunshine in December:
4h and 0min
The months with the most sunshine are July and August (Average sunshine: 9h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Saint-Arnoult-en-Yvelines, France
- Average sunshine days in January:
13.4 days - Average sunshine days in February:
13.5 days - Average sunshine days in March:
15.7 days - Average sunshine days in April:
14.3 days - Average sunshine days in May:
11.8 days - Average sunshine days in June:
10.9 days
- Average sunshine days in July:
11.5 days - Average sunshine days in August:
13.7 days - Average sunshine days in September:
16.6 days - Average sunshine days in October:
15.1 days - Average sunshine days in November:
13.5 days - Average sunshine days in December:
12.7 days
The month with the most sunshine days is September (16.6 days).
The month with the least sunshine days is June (10.9 days).
Average UV index
Saint-Arnoult-en-Yvelines, 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
Saint-Arnoult-en-Yvelines, France
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 39).
Average visibility
Saint-Arnoult-en-Yvelines, 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).
Saint-Arnoult-en-Yvelines, France
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