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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, is a freezing cold winter month in Isola, Switzerland, with an average temperature varying between -13.9°C (7°F) and -4.4°C (24.1°F). With average high temperatures of -4.4°C (24.1°F) and lows of -13.9°C (7°F), January is the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Isola, is another freezing cold month, with temperature in the range of an average high of -3.8°C (25.2°F) and an average low of -13.8°C (7.2°F). February begins with an average high-temperature of a still subzero cold -3.8°C (25.2°F), reflecting close similarity to the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is still a freezing cold month in Isola, Switzerland, with an average temperature varying between -0.8°C (30.6°F) and -10.4°C (13.3°F). March's arrival signals a modest temperature shift, moving from a subzero cold -3.8°C (25.2°F) in February to a still freezing cold -0.8°C (30.6°F). Weather in March »
Weather in April
April is a wintry spring month in Isola, Switzerland, with an average temperature ranging between max 2.4°C (36.3°F) and min -6.1°C (21°F). Isola's weather in April presents a minor rise in the average high-temperature, moving from a freezing cold -0.8°C (30.6°F) in March to a wintry 2.4°C (36.3°F). Weather in April »
Weather in May
The last month of the spring, May, is a chilly month in Isola, Switzerland, with temperature in the range of an average high of 6.6°C (43.9°F) and an average low of -1.9°C (28.6°F). Isola observes a slight uplift in the average high-temperature with the onset of May, adjusting from April's icy 2.4°C (36.3°F) to a chilly 6.6°C (43.9°F). Weather in May »
Weather in June
June, the first month of the summer in Isola, is a fresh month, with temperature in the range of an average low of 2.5°C (36.5°F) and an average high of 12.6°C (54.7°F). As May transitions into June, a change in temperatures is observed, with average highs moving from a frosty 6.6°C (43.9°F) to a fresh 12.6°C (54.7°F). Weather in June »
Weather in July
July is a moderate summer month in Isola, Switzerland, with an average temperature varying between 4.5°C (40.1°F) and 15.4°C (59.7°F). The warmest month is July, with an average high-temperature of 15.4°C (59.7°F) and an average low-temperature of 4.5°C (40.1°F). Weather in July »
Weather in August
The last month of the summer, August, is another refreshing month in Isola, Switzerland, with temperature in the range of an average low of 5°C (41°F) and an average high of 15.3°C (59.5°F). The shift into August records an average high-temperature of a still moderate 15.3°C (59.5°F), subtly varied from July's 15.4°C (59.7°F). Weather in August »
Weather in September
September, the first month of the autumn in Isola, is also a fresh month, with an average temperature ranging between min 1.6°C (34.9°F) and max 10.9°C (51.6°F). The onset of September results in a small decrease in the average high-temperature, moderately receding from a mild 15.3°C (59.5°F) in August to a cool 10.9°C (51.6°F). Weather in September »
Weather in October
October, the same as September, in Isola, Switzerland, is another chilly autumn month, with an average temperature ranging between max 6°C (42.8°F) and min -2.7°C (27.1°F). October witnesses a gentle descent in average high-temperature, descending from September's cool 10.9°C (51.6°F) to a frosty 6°C (42.8°F). Weather in October »
Weather in November
The last month of the autumn, November, is another cold month in Isola, Switzerland, with temperature in the range of an average high of 0.4°C (32.7°F) and an average low of -7.8°C (18°F). Isola's transition into November involves a shift in temperature, receding from a frosty 6°C (42.8°F) in October to an icy 0.4°C (32.7°F). Weather in November »
Weather in December
December, the first month of the winter in Isola, is still a freezing cold month, with an average temperature ranging between max -3.2°C (26.2°F) and min -12.7°C (9.1°F). As November makes way for December, Isola's average high-temperature eases from a wintry 0.4°C (32.7°F) to a subzero cold -3.2°C (26.2°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 part of the year is the coldest in Isola?
January proves to be the coldest month, recording an average maximum temperature of -4.4°C (24.1°F) and a minimum temperature of -13.9°C (7°F).
What is the driest month in Isola?
The month with the least rainfall in Isola, Switzerland, is January, when the rain falls for 3.1 days and typically collects 20mm (0.79") of precipitation.
How much does it rain in Isola?
Throughout the year, there are 139.9 rainfall days, and 641mm (25.24") of precipitation is accumulated.
When does it snow in Isola?
January through June, September through December are months with snowfall in Isola, Switzerland.
How many days does it snow in Isola?
In Isola, Switzerland, during the entire year, snow falls for 97.2 days and aggregates up to 1956mm (77.01") of snow.
What is the month with the lowest UV index in Isola?
January through April, October and November, with an average maximum UV index of 1, are months with the lowest UV index in Isola.
What is the most humid month in Isola?
The most humid month in Isola, Switzerland, is April, with an average relative humidity of 94%.
When are the longest days in Isola?
With an average of 15h and 42min of daylight, June has the longest days of the year in Isola, Switzerland.
What is the month with the highest UV index in Isola?
The months with the highest UV index are June through August, with an average maximum UV index of 3.
What month is the hottest in Isola?
Isola's temperature records reveal July as the warmest month, marked by average highs of 15.4°C (59.7°F) and lows of 4.5°C (40.1°F).
What is the least humid month in Isola?
With an average relative humidity of 81%, July is the least humid month in Isola, Switzerland.
When it does not snow in Isola?
In Isola, snow does not fall in July and August.
What month has the most sunshine in Isola?
July has the most sunshine of the year, with an average of 9.9h of sunshine.
When is Daylight Saving Time (DST) in Isola?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Isola, 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 rainiest month in Isola?
The month with the most rainfall in Isola, Switzerland, is November, when the rain falls for 7.2 days and typically aggregates up to 84mm (3.31") of precipitation.
What is the snowiest month in Isola?
November is the month with the most snowfall. Snow falls for 13.5 days and accumulates 492mm (19.37") of snow.
What is the month with the least sunshine in Isola?
November has the least sunshine of the year in Isola, Switzerland, with an average of 3.9h of sunshine.
What is the month with the shortest days in Isola?
December has the shortest days of the year in Isola, with an average of 8h and 42min of daylight.
Average temperature
Isola, Switzerland
The warmest month (with the highest average high temperature) is July (15.4°C).
The month with the lowest average high temperature is January (-4.4°C).
- Average low temperature in January:
-13.9°C - Average low temperature in February:
-13.8°C - Average low temperature in March:
-10.4°C - Average low temperature in April:
-6.1°C - Average low temperature in May:
-1.9°C - Average low temperature in June:
2.5°C
The month with the highest average low temperature is August (5°C).
The coldest month (with the lowest average low temperature) is January (-13.9°C).
Average pressure
Isola, Switzerland
- Average pressure in January:
1018.8mbar - Average pressure in February:
1017mbar - Average pressure in March:
1016.6mbar - Average pressure in April:
1015.3mbar - Average pressure in May:
1015.4mbar - Average pressure in June:
1015.8mbar
- Average pressure in July:
1016.4mbar - Average pressure in August:
1017.4mbar - Average pressure in September:
1018mbar - Average pressure in October:
1018.4mbar - Average pressure in November:
1015.8mbar - Average pressure in December:
1020.6mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed
Isola, Switzerland
- Average wind speed in January:
9.6km/h - Average wind speed in February:
9.9km/h - Average wind speed in March:
9.4km/h - Average wind speed in April:
8.3km/h - Average wind speed in May:
9km/h - Average wind speed in June:
8.5km/h
- Average wind speed in July:
8km/h - Average wind speed in August:
7.5km/h - Average wind speed in September:
7.8km/h - Average wind speed in October:
8.9km/h - Average wind speed in November:
8.7km/h - Average wind speed in December:
9.9km/h
The windiest months (with the highest average wind speed) are February and December (9.9km/h).
The calmest month (with the lowest average wind speed) is August (7.5km/h).
Average humidity
Isola, Switzerland
The month with the highest relative humidity is April (94%).
The month with the lowest relative humidity is July (81%).
Average rainfall
Isola, Switzerland
The wettest month (with the highest rainfall) is November (84mm).
The driest month (with the least rainfall) is January (20mm).
Average rainfall days
Isola, Switzerland
- Average rainfall days in January:
3.1 days - Average rainfall days in February:
2.7 days - Average rainfall days in March:
6.6 days - Average rainfall days in April:
12.4 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
19.6 days
- Average rainfall days in July:
22.6 days - Average rainfall days in August:
19.3 days - Average rainfall days in September:
15.6 days - Average rainfall days in October:
10.4 days - Average rainfall days in November:
7.2 days - Average rainfall days in December:
2.6 days
The month with the highest number of rainy days is July (22.6 days).
The month with the least rainy days is December (2.6 days).
Average snowfall
Isola, Switzerland
- Average snowfall in January:
148mm - Average snowfall in February:
237mm - Average snowfall in March:
256mm - Average snowfall in April:
328mm - Average snowfall in May:
89mm - Average snowfall in June:
2mm
The month with the highest snowfall is November (492mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days
Isola, Switzerland
- Average snowfall days in January:
14.2 days - Average snowfall days in February:
14.9 days - Average snowfall days in March:
17 days - Average snowfall days in April:
13.3 days - Average snowfall days in May:
5.3 days - Average snowfall days in June:
0.3 days
- Average snowfall days in July:
0.2 days - Average snowfall days in August:
0 days - Average snowfall days in September:
1.2 days - Average snowfall days in October:
4.4 days - Average snowfall days in November:
13.5 days - Average snowfall days in December:
12.9 days
The month with the highest number of snowfall days is March (17 days).
The month with the least snowfall days is August (0 days).
Average daylight / Average sunshine
Isola, 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 2min - 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:
4h and 3min - Average sunshine in February:
4h and 2min - Average sunshine in March:
4h and 4min - Average sunshine in April:
5h and 4min - Average sunshine in May:
6h and 5min - Average sunshine in June:
8h and 5min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 1min - Average sunshine in September:
7h and 5min - Average sunshine in October:
5h and 2min - Average sunshine in November:
3h and 5min - Average sunshine in December:
4h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is November (Average sunshine: 3h and 54min).
Average sunshine days
Isola, Switzerland
- Average sunshine days in January:
17.9 days - Average sunshine days in February:
14.6 days - Average sunshine days in March:
13 days - Average sunshine days in April:
8.3 days - Average sunshine days in May:
7.8 days - Average sunshine days in June:
7.3 days
- Average sunshine days in July:
6.2 days - Average sunshine days in August:
8.6 days - Average sunshine days in September:
11 days - Average sunshine days in October:
16.7 days - Average sunshine days in November:
14.3 days - Average sunshine days in December:
18.8 days
The month with the most sunshine days is December (18.8 days).
The month with the least sunshine days is July (6.2 days).
Average UV index
Isola, Switzerland
The months with the highest UV index are June, July and August (UV index 3).
The months with the lowest UV index are January, February, March, April, October and November (UV index 1).
Average cloud cover
Isola, Switzerland
The month with the most cloud cover is April (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 47).
Average visibility
Isola, Switzerland
The month with the highest visibility is July (8km).
The month with the lowest visibility is April (5km).
