Climate and monthly weather forecastPerroy, Switzerland
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Perroy, Switzerland, with an average temperature fluctuating between -2.5°C (27.5°F) and 3.3°C (37.9°F). In Perroy, Switzerland, the lowest average temperatures are observed in January, with a high of 3.3°C (37.9°F) and a low of -2.5°C (27.5°F). Weather in January »Weather in February
The last month of the winter, February, is also a wintry month in Perroy, Switzerland, with temperature in the range of an average low of -2.8°C (27°F) and an average high of 3.7°C (38.7°F). As Perroy transitions from January to February, the average high-temperatures adjust to a still wintry 3.7°C (38.7°F), nearly the same as the previous 3.3°C (37.9°F). Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Perroy, Switzerland, with an average temperature fluctuating between 0.8°C (33.4°F) and 7.9°C (46.2°F). As Perroy enters March, the average high-temperature marginally increases from the a wintry 3.7°C (38.7°F) of February to a chilly 7.9°C (46.2°F). Weather in March »Weather in April
April in Perroy, Switzerland, is a fresh spring month, with an average temperature ranging between max 12.7°C (54.9°F) and min 4.1°C (39.4°F). Perroy's weather in April presents a minor rise in the average high-temperature, moving from a chilly 7.9°C (46.2°F) in March to a cool 12.7°C (54.9°F). Weather in April »Weather in May
May, the last month of the spring in Perroy, is a moderate month, with an average temperature varying between 6.6°C (43.9°F) and 15.5°C (59.9°F). Perroy in May witnesses an average high-temperature of a moderate 15.5°C (59.9°F), indicating a slight variation from April's 12.7°C (54.9°F). Weather in May »Weather in June
June, the first month of the summer in Perroy, is an enjoyable month, with temperature in the range of an average low of 10.2°C (50.4°F) and an average high of 19.6°C (67.3°F). June brings a slight rise in Perroy's average high-temperature, moving from a refreshing 15.5°C (59.9°F) in May to an enjoyable 19.6°C (67.3°F). Weather in June »Weather in July
July is an agreeable summer month in Perroy, Switzerland, with temperature in the range of an average high of 22.2°C (72°F) and an average low of 12.3°C (54.1°F). The arrival of July brings an average high-temperature of a pleasant 22.2°C (72°F), subtly diverging from June's 19.6°C (67.3°F). Weather in July »Weather in August
August, the last month of the summer in Perroy, is another pleasant month, with an average temperature varying between 22.3°C (72.1°F) and 12.3°C (54.1°F). Perroy registers the highest average temperatures during the month of August, with peaks of 22.3°C (72.1°F) and lows of 12.3°C (54.1°F). Weather in August »Weather in September
September, the first month of the autumn in Perroy, is still a comfortable month, with an average temperature fluctuating between 18.3°C (64.9°F) and 9.2°C (48.6°F). The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's agreeable 22.3°C (72.1°F) to a refreshing 18.3°C (64.9°F). Weather in September »Weather in October
October, like September, is another refreshing autumn month in Perroy, Switzerland, with temperature in the range of an average low of 5.6°C (42.1°F) and an average high of 14.2°C (57.6°F). The arrival of October signals a subtle shift in temperature, down from a refreshing 18.3°C (64.9°F) in September to a moderate 14.2°C (57.6°F). Weather in October »Weather in November
November, the last month of the autumn in Perroy, is also a frosty month, with temperature in the range of an average high of 8.6°C (47.5°F) and an average low of 2.3°C (36.1°F). November brings a decrease in the average high-temperature, falling from October's moderate 14.2°C (57.6°F) to a chilly 8.6°C (47.5°F). Weather in November »Weather in December
December, the first month of the winter in Perroy, is still a cold month, with an average temperature ranging between min -0.6°C (30.9°F) and max 4.7°C (40.5°F). The onset of December is marked by a minor decrease in temperature, transitioning from a frosty 8.6°C (47.5°F) in November to a cold 4.7°C (40.5°F). Weather in December »Updated: Feb 4, 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
January brings the lowest temperatures in Perroy, with an average high of 3.3°C (37.9°F) and an average low of -2.5°C (27.5°F).
The months with the highest humidity are January and February, with an average relative humidity of 82%.
Throughout the year, in Perroy, there are 183.4 rainfall days, and 862mm (33.94") of precipitation is accumulated.
Months with snowfall are January through May, October through December.
In Perroy, during the entire year, snow falls for 24.5 days and aggregates up to 350mm (13.78") of snow.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Perroy, Switzerland.
In Perroy, Switzerland, snow does not fall in June through September.
With an average of 15h and 48min of daylight, June has the longest days of the year in Perroy, Switzerland.
The months with the highest UV index in Perroy, Switzerland, are June and July, with an average maximum UV index of 5.
July and August, with an average of 10.7h of sunshine, are months with the most sunshine in Perroy, Switzerland.
August is the warmest month, with the temperature often reaching an average high of 22.3°C (72.1°F) and an average low of 12.3°C (54.1°F).
August is the least humid month, with an average relative humidity of 76%.
September is the month with the least rainfall in Perroy, Switzerland. Rain falls for 13.5 days and accumulates 42mm (1.65") of precipitation.
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Perroy, Switzerland, 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.
December is the month with the most rainfall. Rain falls for 12.2 days and accumulates 103mm (4.06") of precipitation.
December is the month with the most snowfall in Perroy, Switzerland. Snow falls for 4.8 days and accumulates 98mm (3.86") of snow.
December has the shortest days of the year, with an average of 8h and 42min of daylight.
The month with the least sunshine is December, with an average of 5.6h of sunshine.
Average temperature
Perroy, Switzerland
The warmest month (with the highest average high temperature) is August (22.3°C).
The month with the lowest average high temperature is January (3.3°C).
The months with the highest average low temperature are July and August (12.3°C).
The coldest month (with the lowest average low temperature) is February (-2.8°C).
Average pressure
Perroy, Switzerland
- Average pressure in January:
1019.5mbar - Average pressure in February:
1017.6mbar - Average pressure in March:
1017mbar - Average pressure in April:
1015.4mbar - Average pressure in May:
1016.1mbar - Average pressure in June:
1016.5mbar
- Average pressure in July:
1017.1mbar - Average pressure in August:
1017.8mbar - Average pressure in September:
1018.5mbar - Average pressure in October:
1018.4mbar - Average pressure in November:
1015.9mbar - Average pressure in December:
1021.1mbar
The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed
Perroy, Switzerland
- Average wind speed in January:
10.8km/h - Average wind speed in February:
11.2km/h - Average wind speed in March:
10.8km/h - Average wind speed in April:
9km/h - Average wind speed in May:
9.3km/h - Average wind speed in June:
8.1km/h
- Average wind speed in July:
7.2km/h - Average wind speed in August:
6.7km/h - Average wind speed in September:
8km/h - Average wind speed in October:
8.3km/h - Average wind speed in November:
9.7km/h - Average wind speed in December:
10.8km/h
The windiest month (with the highest average wind speed) is February (11.2km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).
Average humidity
Perroy, Switzerland
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is August (76%).
Average rainfall
Perroy, Switzerland
The wettest month (with the highest rainfall) is December (103mm).
The driest month (with the least rainfall) is September (42mm).
Average rainfall days
Perroy, Switzerland
- Average rainfall days in January:
12.8 days - Average rainfall days in February:
11.8 days - Average rainfall days in March:
14.9 days - Average rainfall days in April:
18.7 days - Average rainfall days in May:
20.4 days - Average rainfall days in June:
20.4 days
- Average rainfall days in July:
18.8 days - Average rainfall days in August:
15.4 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
11.5 days - Average rainfall days in November:
13 days - Average rainfall days in December:
12.2 days
The months with the highest number of rainy days are May and June (20.4 days).
The month with the least rainy days is October (11.5 days).
Average snowfall
Perroy, Switzerland
The month with the highest snowfall is December (98mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Perroy, Switzerland
- Average snowfall days in January:
6.1 days - Average snowfall days in February:
6.6 days - Average snowfall days in March:
3.8 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0.1 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:
0.3 days - Average snowfall days in November:
2.5 days - Average snowfall days in December:
4.8 days
The month with the highest number of snowfall days is February (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Perroy, Switzerland
- Average daylight in January:
9h and 6min - Average daylight in February:
10h and 18min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 36min - Average daylight in May:
15h and 0min - Average daylight in June:
15h and 48min
- Average daylight in July:
15h and 24min - Average daylight in August:
14h and 6min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 24min - Average daylight in December:
8h and 42min
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 42min).
- Average sunshine in January:
5h and 42min - Average sunshine in February:
6h and 36min - Average sunshine in March:
7h and 42min - Average sunshine in April:
9h and 30min - Average sunshine in May:
9h and 54min - Average sunshine in June:
10h and 30min
- Average sunshine in July:
10h and 42min - Average sunshine in August:
10h and 42min - Average sunshine in September:
9h and 6min - Average sunshine in October:
7h and 6min - Average sunshine in November:
6h and 6min - Average sunshine in December:
5h and 36min
The months with the most sunshine are July and August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days
Perroy, Switzerland
- Average sunshine days in January:
14.8 days - Average sunshine days in February:
12.8 days - Average sunshine days in March:
12.8 days - Average sunshine days in April:
8.6 days - Average sunshine days in May:
7.7 days - Average sunshine days in June:
7.3 days
- Average sunshine days in July:
8.4 days - Average sunshine days in August:
12.3 days - Average sunshine days in September:
13.6 days - Average sunshine days in October:
17.4 days - Average sunshine days in November:
13.9 days - Average sunshine days in December:
15.4 days
The month with the most sunshine days is October (17.4 days).
The month with the least sunshine days is June (7.3 days).
Average UV index
Perroy, Switzerland
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Perroy, Switzerland
The months with the most cloud cover are January and December (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility
Perroy, Switzerland
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).
