Climate and monthly weather forecastChiasso, Switzerland
Climate and monthly weather forecast
Weather in January
January, like December, in Chiasso, Switzerland, is an icy winter month, with an average temperature fluctuating between -1.3°C (29.7°F) and 4.7°C (40.5°F). January, having an average high-temperature of 4.7°C (40.5°F) and an average low-temperature of -1.3°C (29.7°F), is the coldest month. Weather in January »Weather in February
February, the last month of the winter in Chiasso, is a chilly month, with an average temperature fluctuating between 6.1°C (43°F) and -0.8°C (30.6°F). Chiasso in February witnesses an average high-temperature of a chilly 6.1°C (43°F), indicating a slight variation from January's 4.7°C (40.5°F). Weather in February »Weather in March
March, the first month of the spring in Chiasso, is a fresh month, with temperature in the range of an average low of 2.3°C (36.1°F) and an average high of 10.5°C (50.9°F). With the onset of March, Chiasso's average high-temperature experiences a slight rise, moving from February's chilly 6.1°C (43°F) to a fresh 10.5°C (50.9°F). Weather in March »Weather in April
April is a moderate spring month in Chiasso, Switzerland, with an average temperature fluctuating between 5.7°C (42.3°F) and 15.1°C (59.2°F). The embrace of April brings a minor uplift in the average high-temperature, shifting from a fresh 10.5°C (50.9°F) in March to a moderate 15.1°C (59.2°F). Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in Chiasso, Switzerland, with an average temperature fluctuating between 8.4°C (47.1°F) and 18.8°C (65.8°F). May's arrival signals a modest temperature shift, moving from a mild 15.1°C (59.2°F) in April to a still refreshing 18.8°C (65.8°F). Weather in May »Weather in June
June, the first month of the summer in Chiasso, is a warm month, with an average temperature fluctuating between 23.1°C (73.6°F) and 12.4°C (54.3°F). In Chiasso, the average high-temperature in June slightly rises, from an enjoyable 18.8°C (65.8°F) in May, to a moderately hot 23.1°C (73.6°F). Weather in June »Weather in July
July, like June, in Chiasso, Switzerland, is another warm summer month, with an average temperature ranging between max 25.6°C (78.1°F) and min 14.3°C (57.7°F). July is the month that records the highest temperatures, with averages ranging from a high of 25.6°C (78.1°F) to a low of 14.3°C (57.7°F). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Chiasso, Switzerland, with an average temperature fluctuating between 14.6°C (58.3°F) and 25.2°C (77.4°F). August registers an average high-temperature of a still moderately hot 25.2°C (77.4°F), slightly varied from July's 25.6°C (78.1°F). Weather in August »Weather in September
September, the first month of the autumn in Chiasso, is also an agreeable month, with temperature in the range of an average high of 20.6°C (69.1°F) and an average low of 10.9°C (51.6°F). Transition into September subtly marks a drop in the average high-temperature, moderately moving from a moderately hot 25.2°C (77.4°F) in August to a pleasant 20.6°C (69.1°F). Weather in September »Weather in October
October, like September, is another refreshing autumn month in Chiasso, Switzerland, with an average temperature varying between 7.3°C (45.1°F) and 15.5°C (59.9°F). Chiasso's October weather features a mild decline in high-temperatures, reducing from an agreeable 20.6°C (69.1°F) in September to a refreshing 15.5°C (59.9°F). Weather in October »Weather in November
November, the last month of the autumn in Chiasso, is also a frosty month, with temperature in the range of an average low of 3.2°C (37.8°F) and an average high of 9.4°C (48.9°F). A decrease in the average high-temperature is observed during November, shifting from a moderate 15.5°C (59.9°F) in October to a chilly 9.4°C (48.9°F). Weather in November »Weather in December
The first month of the winter, December, is also a wintry month in Chiasso, Switzerland, with an average temperature fluctuating between 5.5°C (41.9°F) and -0.8°C (30.6°F). Chiasso experiences a moderate temperature shift at the start of December, with average high-temperatures adjusting a bit from a chilly 9.4°C (48.9°F) in November to a cold 5.5°C (41.9°F). Weather in December »Updated: Feb 3, 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, noted for its average high-temperature of 4.7°C (40.5°F) and an average low-temperature of -1.3°C (29.7°F), is considered the coldest month in Chiasso.
January is the month with the least rainfall. Rain falls for 5 days and accumulates 36mm (1.42") of precipitation.
Throughout the year, there are 172.9 rainfall days, and 1265mm (49.8") of precipitation is accumulated.
January through May, October through December are months with snowfall in Chiasso, Switzerland.
Throughout the year, in Chiasso, Switzerland, there are 44 snowfall days, and 1306mm (51.42") of snow is accumulated.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Chiasso, Switzerland.
February is the month with the most snowfall in Chiasso. Snow falls for 11.2 days and accumulates 402mm (15.83") of snow.
June through September are months without snowfall in Chiasso.
June has the longest days of the year, with an average of 15h and 42min of daylight.
June is the month with the highest UV index in Chiasso, Switzerland, with an average maximum UV index of 6.
The warmest period in Chiasso is July, when temperatures fluctuate between an average high of 25.6°C (78.1°F) and a low of 14.3°C (57.7°F).
With an average relative humidity of 70%, July is the least humid month in Chiasso.
With an average of 11.4h of sunshine, July has the most sunshine of the year.
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Chiasso, 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.
November is the most humid month, with an average relative humidity of 79%.
The month with the most rainfall is November, when the rain falls for 14 days and typically aggregates up to 181mm (7.13") of precipitation.
November has the least sunshine of the year, with an average of 5.3h of sunshine.
December has the shortest days of the year in Chiasso, with an average of 8h and 42min of daylight.
Average temperature
Chiasso, Switzerland
The warmest month (with the highest average high temperature) is July (25.6°C).
The month with the lowest average high temperature is January (4.7°C).
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is January (-1.3°C).
Average pressure
Chiasso, Switzerland
- Average pressure in January:
1018.5mbar - Average pressure in February:
1016.5mbar - Average pressure in March:
1016.1mbar - Average pressure in April:
1014.9mbar - Average pressure in May:
1015mbar - Average pressure in June:
1015.4mbar
- Average pressure in July:
1015.9mbar - Average pressure in August:
1016.9mbar - Average pressure in September:
1017.5mbar - Average pressure in October:
1018mbar - Average pressure in November:
1015.6mbar - Average pressure in December:
1020.3mbar
The month with the highest atmospheric pressure is December (1020.3mbar).
The month with the lowest atmospheric pressure is April (1014.9mbar).
Average wind speed
Chiasso, Switzerland
- Average wind speed in January:
6.2km/h - Average wind speed in February:
6.6km/h - Average wind speed in March:
6.9km/h - Average wind speed in April:
6.6km/h - Average wind speed in May:
6.8km/h - Average wind speed in June:
6.6km/h
- Average wind speed in July:
6.7km/h - Average wind speed in August:
6.4km/h - Average wind speed in September:
6.2km/h - Average wind speed in October:
5.9km/h - Average wind speed in November:
5.6km/h - Average wind speed in December:
6.2km/h
The windiest month (with the highest average wind speed) is March (6.9km/h).
The calmest month (with the lowest average wind speed) is November (5.6km/h).
Average humidity
Chiasso, Switzerland
The month with the highest relative humidity is November (79%).
The month with the lowest relative humidity is July (70%).
Average rainfall
Chiasso, Switzerland
- Average rainfall in January:
36mm - Average rainfall in February:
54mm - Average rainfall in March:
71mm - Average rainfall in April:
124mm - Average rainfall in May:
138mm - Average rainfall in June:
140mm
The wettest month (with the highest rainfall) is November (181mm).
The driest month (with the least rainfall) is January (36mm).
Average rainfall days
Chiasso, Switzerland
- Average rainfall days in January:
5 days - Average rainfall days in February:
6.3 days - Average rainfall days in March:
11.3 days - Average rainfall days in April:
18.2 days - Average rainfall days in May:
21.1 days - Average rainfall days in June:
21.6 days
- Average rainfall days in July:
21.4 days - Average rainfall days in August:
19.3 days - Average rainfall days in September:
16.2 days - Average rainfall days in October:
12.4 days - Average rainfall days in November:
14 days - Average rainfall days in December:
6.1 days
The month with the highest number of rainy days is June (21.6 days).
The month with the least rainy days is January (5 days).
Average snowfall
Chiasso, Switzerland
The month with the highest snowfall is February (402mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Chiasso, Switzerland
- Average snowfall days in January:
9.9 days - Average snowfall days in February:
11.2 days - Average snowfall days in March:
7.2 days - Average snowfall days in April:
1.6 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:
0.7 days - Average snowfall days in November:
4.5 days - Average snowfall days in December:
8.8 days
The month with the highest number of snowfall days is February (11.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Chiasso, Switzerland
- Average daylight in January:
9h and 6min - Average daylight in February:
10h and 24min - 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 42min
- Average daylight in July:
15h and 18min - 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 30min - Average daylight in December:
8h and 42min
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 18min - Average sunshine in February:
6h and 18min - Average sunshine in March:
7h and 36min - Average sunshine in April:
9h and 36min - Average sunshine in May:
10h and 0min - Average sunshine in June:
11h and 0min
- Average sunshine in July:
11h and 24min - Average sunshine in August:
10h and 54min - Average sunshine in September:
9h and 36min - Average sunshine in October:
6h and 24min - Average sunshine in November:
5h and 18min - Average sunshine in December:
6h and 24min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is November (Average sunshine: 5h and 18min).
Average sunshine days
Chiasso, Switzerland
- Average sunshine days in January:
19.3 days - Average sunshine days in February:
14.4 days - Average sunshine days in March:
14.4 days - Average sunshine days in April:
9.3 days - Average sunshine days in May:
6.4 days - Average sunshine days in June:
4.4 days
- Average sunshine days in July:
5.9 days - Average sunshine days in August:
7.8 days - Average sunshine days in September:
10.9 days - Average sunshine days in October:
16.4 days - Average sunshine days in November:
13.5 days - Average sunshine days in December:
19.1 days
The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is June (4.4 days).
Average UV index
Chiasso, Switzerland
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Chiasso, Switzerland
The month with the most cloud cover is November (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 23).
Average visibility
Chiasso, 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).
