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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 Arosio, Switzerland, is another cold winter month, with an average temperature fluctuating between 4.5°C (40.1°F) and -2.3°C (27.9°F). January, recording an average high temperature of 4.5°C (40.1°F) and a low temperature of -2.3°C (27.9°F), is Arosio's coldest month. Weather in January »
Weather in February
The last month of the winter, February, is also an icy month in Arosio, Switzerland, with an average temperature ranging between max 5.8°C (42.4°F) and min -2.1°C (28.2°F). As January transitions into February, the average high-temperature rests at a still wintry 5.8°C (42.4°F), maintaining a close resemblance to the previous month. Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in Arosio, Switzerland, with an average temperature varying between 1.2°C (34.2°F) and 10.2°C (50.4°F). March introduces a minor temperature shift, with average high-temperatures adjusting from February's icy 5.8°C (42.4°F) to a cool 10.2°C (50.4°F). Weather in March »
Weather in April
April is a mild spring month in Arosio, Switzerland, with temperature in the range of an average low of 4.6°C (40.3°F) and an average high of 14.7°C (58.5°F). With the transition into April, Arosio experiences a subtle uplift in average high-temperatures, adjusting from a fresh 10.2°C (50.4°F) in March to a moderate 14.7°C (58.5°F). Weather in April »
Weather in May
May, the last month of the spring in Arosio, is an enjoyable month, with an average temperature varying between 18.2°C (64.8°F) and 7.2°C (45°F). May brings a slight rise in Arosio's average high-temperature, moving from a moderate 14.7°C (58.5°F) in April to a comfortable 18.2°C (64.8°F). Weather in May »
Weather in June
The first month of the summer, June, is a pleasant month in Arosio, Switzerland, with temperature in the range of an average low of 11°C (51.8°F) and an average high of 22.7°C (72.9°F). The start of June is characterized by a subtle increase in the average high-temperature, transitioning from a refreshing 18.2°C (64.8°F) in May to an agreeable 22.7°C (72.9°F). Weather in June »
Weather in July
July is a moderately hot summer month in Arosio, Switzerland, with an average temperature ranging between max 25.2°C (77.4°F) and min 12.8°C (55°F). Temperature readings reach their annual highs in July, averaging 25.2°C (77.4°F) and a minimum average of 12.8°C (55°F). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Arosio, Switzerland, with an average temperature ranging between min 12.8°C (55°F) and max 24.6°C (76.3°F). Arosio experiences an average high-temperature of a still warm 24.6°C (76.3°F) in August, subtly different from July's 25.2°C (77.4°F). Weather in August »
Weather in September
September, the first month of the autumn in Arosio, is still a pleasant month, with an average temperature varying between 20.2°C (68.4°F) and 9.3°C (48.7°F). In September, the average high-temperature marginally drops from a moderately hot 24.6°C (76.3°F) in August to a pleasant 20.2°C (68.4°F). Weather in September »
Weather in October
October, like September, is another refreshing autumn month in Arosio, Switzerland, with an average temperature ranging between min 5.7°C (42.3°F) and max 15.1°C (59.2°F). October's arrival corresponds with a decrease in average high-temperatures, from September's agreeable 20.2°C (68.4°F) to a refreshing 15.1°C (59.2°F). Weather in October »
Weather in November
November, the last month of the autumn in Arosio, is another chilly month, with an average temperature ranging between max 9.1°C (48.4°F) and min 2.2°C (36°F). In Arosio, entering November brings a temperature decrement, reducing from October's refreshing 15.1°C (59.2°F) to a frosty 9.1°C (48.4°F). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Arosio, Switzerland, with an average temperature varying between 5.4°C (41.7°F) and -1.6°C (29.1°F). Arosio experiences a moderate temperature shift at the start of December, with average high-temperatures adjusting a bit from a frosty 9.1°C (48.4°F) in November to a cold 5.4°C (41.7°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
What time of the year is the coldest in Arosio?
Arosio reaches its average lowest temperatures in January, measuring 4.5°C (40.1°F) at the peak and -2.3°C (27.9°F) at the lowest.
What are the least humid months in Arosio?
January and July, with an average relative humidity of 72%, are the least humid months in Arosio.
What is the driest month in Arosio?
January is the month with the least rainfall in Arosio, Switzerland. Rain falls for 4.8 days and accumulates 7mm (0.28") of precipitation.
How many days does it rain in Arosio?
Throughout the year, in Arosio, Switzerland, there are 102.6 rainfall days, and 414mm (16.3") of precipitation is accumulated.
When does it snow in Arosio?
January through March, November and December are months with snowfall.
How many days does it snow in Arosio?
Throughout the year, in Arosio, there are 4 snowfall days, and 23mm (0.91") of snow is accumulated.
When is the lowest UV index in Arosio?
The months with the lowest UV index in Arosio are January, February, November and December, with an average maximum UV index of 2.
When does it snow the most in Arosio?
February is the month with the most snowfall. Snow falls for 0.9 days and accumulates 9mm (0.35") of snow.
When it does not snow in Arosio?
In Arosio, Switzerland, snow does not fall in April through October.
When are the longest days in Arosio?
The month with the longest days is June, with an average of 15h and 42min of daylight.
When is the highest UV index in Arosio?
June through August, with an average maximum UV index of 5, are months with the highest UV index in Arosio, Switzerland.
What part of the year is the hottest in Arosio?
July is the warmest month, with an average high-temperature of 25.2°C (77.4°F) and an average low-temperature of 12.8°C (55°F).
What month has the most sunshine in Arosio?
With an average of 11.5h of sunshine, July has the most sunshine of the year.
When is Daylight Saving Time (DST) in Arosio?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Arosio, 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 Arosio?
November is the most humid month, with an average relative humidity of 80%.
What is the wettest month in Arosio?
The month with the most rainfall in Arosio is November, when the rain falls for 10.1 days and typically aggregates up to 70mm (2.76") of precipitation.
What is the month with the least sunshine in Arosio?
November has the least sunshine of the year, with an average of 5.3h of sunshine.
What is the month with the shortest days in Arosio?
With an average of 8h and 42min of daylight, December has the shortest days of the year in Arosio, Switzerland.
Average temperature
Arosio, Switzerland
The warmest month (with the highest average high temperature) is July (25.2°C).
The month with the lowest average high temperature is January (4.5°C).
The months with the highest average low temperature are July and August (12.8°C).
The coldest month (with the lowest average low temperature) is January (-2.3°C).
Average pressure
Arosio, Switzerland
- Average pressure in January:
1018.6mbar - Average pressure in February:
1016.7mbar - Average pressure in March:
1016.3mbar - Average pressure in April:
1015mbar - Average pressure in May:
1015.1mbar - Average pressure in June:
1015.6mbar
- Average pressure in July:
1016.1mbar - Average pressure in August:
1017.1mbar - Average pressure in September:
1017.7mbar - Average pressure in October:
1018.1mbar - Average pressure in November:
1015.7mbar - Average pressure in December:
1020.5mbar
The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is April (1015mbar).
Average wind speed
Arosio, Switzerland
- Average wind speed in January:
7.1km/h - Average wind speed in February:
7.5km/h - Average wind speed in March:
7.6km/h - Average wind speed in April:
7.2km/h - Average wind speed in May:
7.5km/h - Average wind speed in June:
7.5km/h
- Average wind speed in July:
7.7km/h - Average wind speed in August:
7.3km/h - Average wind speed in September:
7km/h - Average wind speed in October:
6.5km/h - Average wind speed in November:
6.1km/h - Average wind speed in December:
7.1km/h
The windiest month (with the highest average wind speed) is July (7.7km/h).
The calmest month (with the lowest average wind speed) is November (6.1km/h).
Average humidity
Arosio, Switzerland
The month with the highest relative humidity is November (80%).
The months with the lowest relative humidity are January and July (72%).
Average rainfall
Arosio, Switzerland
The wettest month (with the highest rainfall) is November (70mm).
The driest month (with the least rainfall) is January (7mm).
Average rainfall days
Arosio, Switzerland
- Average rainfall days in January:
4.8 days - Average rainfall days in February:
6.1 days - Average rainfall days in March:
7.8 days - Average rainfall days in April:
11.1 days - Average rainfall days in May:
11.8 days - Average rainfall days in June:
10.8 days
- Average rainfall days in July:
10.5 days - Average rainfall days in August:
10 days - Average rainfall days in September:
8.3 days - Average rainfall days in October:
7.2 days - Average rainfall days in November:
10.1 days - Average rainfall days in December:
4.1 days
The month with the highest number of rainy days is May (11.8 days).
The month with the least rainy days is December (4.1 days).
Average snowfall
Arosio, Switzerland
The month with the highest snowfall is February (9mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days
Arosio, Switzerland
- Average snowfall days in January:
1 days - Average snowfall days in February:
0.9 days - Average snowfall days in March:
0.8 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:
0.5 days - Average snowfall days in December:
0.7 days
The month with the highest number of snowfall days is January (1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Arosio, Switzerland
- Average daylight in January:
9h and 1min - 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 0min - Average daylight in June:
15h and 4min
- Average daylight in July:
15h and 2min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 3min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 3min - Average daylight in December:
8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January:
6h and 2min - Average sunshine in February:
6h and 2min - Average sunshine in March:
7h and 3min - Average sunshine in April:
9h and 2min - Average sunshine in May:
9h and 5min - Average sunshine in June:
10h and 5min
- Average sunshine in July:
11h and 3min - Average sunshine in August:
10h and 5min - Average sunshine in September:
9h and 1min - Average sunshine in October:
6h and 2min - Average sunshine in November:
5h and 2min - Average sunshine in December:
6h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is November (Average sunshine: 5h and 18min).
Average sunshine days
Arosio, Switzerland
- Average sunshine days in January:
25.4 days - Average sunshine days in February:
20.8 days - Average sunshine days in March:
21.8 days - Average sunshine days in April:
18.2 days - Average sunshine days in May:
17.3 days - Average sunshine days in June:
16.9 days
- Average sunshine days in July:
18 days - Average sunshine days in August:
19.2 days - Average sunshine days in September:
19.6 days - Average sunshine days in October:
22.1 days - Average sunshine days in November:
18.8 days - Average sunshine days in December:
25.8 days
The month with the most sunshine days is December (25.8 days).
The month with the least sunshine days is June (16.9 days).
Average UV index
Arosio, Switzerland
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
Arosio, Switzerland
The month with the most cloud cover is November (Cloud cover 42).
The month with the least cloud cover is July (Cloud cover 23).
Average visibility
Arosio, Switzerland
The months with the highest visibility are January, February, March, April, May, June, July, August, September, November and December (9km).
The month with the lowest visibility is October (8km).
