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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, the same as December, is a wintry winter month in Illiswil, Switzerland, with an average temperature varying between 2.9°C (37.2°F) and -3.8°C (25.2°F). January, with its high-temperature average of 2.9°C (37.2°F) and a low-temperature average of -3.8°C (25.2°F), is the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is also an icy month in Illiswil, Switzerland, with temperature in the range of an average high of 3.6°C (38.5°F) and an average low of -4.2°C (24.4°F). Illiswil experiences an average high-temperature of a still wintry 3.6°C (38.5°F) with the onset of February, subtly varied from January's 2.9°C (37.2°F). Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Illiswil, Switzerland, with an average temperature fluctuating between 8.3°C (46.9°F) and -0.7°C (30.7°F). The shift into March is accompanied by a modest temperature increase, with the average high-temperature edging up from a wintry 3.6°C (38.5°F) in February to a frosty 8.3°C (46.9°F). Weather in March »
Weather in April
April in Illiswil, Switzerland, is a moderate spring month, with an average temperature fluctuating between 2.8°C (37°F) and 13.8°C (56.8°F). As March transitions into April, Illiswil sees a rise in the average high-temperature, moving from a chilly 8.3°C (46.9°F) to a moderate 13.8°C (56.8°F). Weather in April »
Weather in May
The last month of the spring, May, is an enjoyable month in Illiswil, Switzerland, with an average temperature fluctuating between 16.5°C (61.7°F) and 5.3°C (41.5°F). The shift from April to May is characterized by an average high-temperature of a still refreshing 16.5°C (61.7°F), not significantly different from the 13.8°C (56.8°F) of April. Weather in May »
Weather in June
The first month of the summer, June, is a pleasant month in Illiswil, Switzerland, with temperature in the range of an average low of 9.1°C (48.4°F) and an average high of 20.8°C (69.4°F). As Illiswil welcomes June, the average high-temperature displays a subtle shift, adjusting from a comfortable 16.5°C (61.7°F) in May to an agreeable 20.8°C (69.4°F). Weather in June »
Weather in July
July in Illiswil, Switzerland, is a moderately hot summer month, with an average temperature varying between 11.2°C (52.2°F) and 23.1°C (73.6°F). July, characterized by an average high temperature of 23.1°C (73.6°F) and a low temperature of 11.2°C (52.2°F), is generally the warmest month. Weather in July »
Weather in August
August, the last month of the summer in Illiswil, is another pleasant month, with an average temperature ranging between max 22.9°C (73.2°F) and min 11°C (51.8°F). During August, the average high-temperature is a pleasant 22.9°C (73.2°F), maintaining a close resemblance to that of the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Illiswil, is still a refreshing month, with an average temperature ranging between min 7.5°C (45.5°F) and max 18.3°C (64.9°F). The arrival of September signals a subtle shift in temperature, down from an agreeable 22.9°C (73.2°F) in August to a refreshing 18.3°C (64.9°F). Weather in September »
Weather in October
October, the same as September, in Illiswil, Switzerland, is another refreshing autumn month, with an average temperature ranging between max 13.7°C (56.7°F) and min 4.2°C (39.6°F). The shift from September to October includes a minor decrease in the average high-temperature, lightly dropping from a comfortable 18.3°C (64.9°F) to a still refreshing 13.7°C (56.7°F). Weather in October »
Weather in November
November, the last month of the autumn in Illiswil, is another chilly month, with temperature in the range of an average high of 8.2°C (46.8°F) and an average low of 0.5°C (32.9°F). November indicates a shift in the average high-temperature, from October's refreshing 13.7°C (56.7°F) to a frosty 8.2°C (46.8°F). Weather in November »
Weather in December
December, the first month of the winter in Illiswil, is still a cold month, with an average temperature varying between -2.5°C (27.5°F) and 4.3°C (39.7°F). December's onset corresponds with a subtle shift in the average high-temperature, slightly moving from a frosty 8.2°C (46.8°F) in November to a cold 4.3°C (39.7°F). Weather in December »
[Resources]Frequently asked questions
What is the coldest time of year in Illiswil?
Illiswil's coldest temperatures are experienced in January, with average high temperatures of 2.9°C (37.2°F) and lows of -3.8°C (25.2°F).
What are the most humid months in Illiswil?
January and February, with an average relative humidity of 85%, are most humid months in Illiswil, Switzerland.
How many days does it rain in Illiswil?
Throughout the year, there are 149.7 rainfall days, and 438mm (17.24") of precipitation is accumulated.
When does it snow in Illiswil?
Months with snowfall in Illiswil, Switzerland, are January through May, October through December.
How many days does it snow in Illiswil?
Throughout the year, in Illiswil, Switzerland, there are 38 snowfall days, and 413mm (16.26") of snow is accumulated.
What are the months with the least sunshine in Illiswil?
January and December, with an average of 5.3h of sunshine, are months with the least sunshine in Illiswil.
What are the months with the lowest UV index in Illiswil?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Illiswil.
When does it snow the most in Illiswil?
The month with the most snowfall is February, when snow falls for 9.8 days and typically aggregates up to 104mm (4.09") of snow.
What is the least humid month in Illiswil?
The months with the lowest humidity are April, July and August, with an average relative humidity of 77%.
What is the wettest month in Illiswil?
The month with the most rainfall is June, when the rain falls for 16.3 days and typically aggregates up to 54mm (2.13") of precipitation.
When it does not snow in Illiswil?
In Illiswil, Switzerland, snow does not fall in June through September.
When are the longest days in Illiswil?
The month with the longest days is June, with an average of 15h and 48min of daylight.
What is the month with the highest UV index in Illiswil?
June and July, with an average maximum UV index of 5, are months with the highest UV index.
What are the warmest months in Illiswil?
July is the month when Illiswil experiences its warmest temperatures, averaging a high of 23.1°C (73.6°F) and a low of 11.2°C (52.2°F).
What month has the most sunshine in Illiswil?
The month with the most sunshine in Illiswil is August, with an average of 10.3h of sunshine.
What is the driest month in Illiswil?
The month with the least rainfall is September, when the rain falls for 11.5 days and typically collects 23mm (0.91") of precipitation.
When is Daylight Saving Time (DST) in Illiswil?
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 Illiswil?
With an average of 8h and 36min of daylight, December has the shortest days of the year in Illiswil, Switzerland.
Average temperature
Illiswil, Switzerland
The warmest month (with the highest average high temperature) is July (23.1°C).
The month with the lowest average high temperature is January (2.9°C).
The month with the highest average low temperature is July (11.2°C).
The coldest month (with the lowest average low temperature) is February (-4.2°C).
Average pressure
Illiswil, Switzerland
- Average pressure in January:
1019.5mbar - Average pressure in February:
1017.7mbar - Average pressure in March:
1017.1mbar - Average pressure in April:
1015.5mbar - Average pressure in May:
1016.2mbar - Average pressure in June:
1016.5mbar
- Average pressure in July:
1017.1mbar - Average pressure in August:
1017.8mbar - Average pressure in September:
1018.6mbar - Average pressure in October:
1018.5mbar - Average pressure in November:
1015.9mbar - Average pressure in December:
1021mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed
Illiswil, Switzerland
- Average wind speed in January:
8.5km/h - Average wind speed in February:
8.9km/h - Average wind speed in March:
9km/h - Average wind speed in April:
7.6km/h - Average wind speed in May:
7.7km/h - Average wind speed in June:
7.2km/h
- Average wind speed in July:
6.8km/h - Average wind speed in August:
6.2km/h - Average wind speed in September:
6.7km/h - Average wind speed in October:
6.8km/h - Average wind speed in November:
7.4km/h - Average wind speed in December:
8.8km/h
The windiest month (with the highest average wind speed) is March (9km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity
Illiswil, Switzerland
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall
Illiswil, Switzerland
The wettest month (with the highest rainfall) is June (54mm).
The driest month (with the least rainfall) is September (23mm).
Average rainfall days
Illiswil, Switzerland
- Average rainfall days in January:
8.6 days - Average rainfall days in February:
8.1 days - Average rainfall days in March:
12 days - Average rainfall days in April:
14.8 days - Average rainfall days in May:
18.3 days - Average rainfall days in June:
16.3 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
14.1 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
9.4 days - Average rainfall days in November:
9.2 days - Average rainfall days in December:
10.1 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (8.1 days).
Average snowfall
Illiswil, Switzerland
The month with the highest snowfall is February (104mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Illiswil, Switzerland
- Average snowfall days in January:
8.5 days - Average snowfall days in February:
9.8 days - Average snowfall days in March:
6 days - Average snowfall days in April:
1.7 days - Average snowfall days in May:
0.3 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:
4.3 days - Average snowfall days in December:
6.7 days
The month with the highest number of snowfall days is February (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Illiswil, Switzerland
- Average daylight in January:
9h and 0min - 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 1min - Average daylight in June:
15h and 5min
- Average daylight in July:
15h and 3min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 4min - 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 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in January:
5h and 2min - Average sunshine in February:
5h and 2min - Average sunshine in March:
7h and 1min - Average sunshine in April:
9h and 0min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
10h and 2min - Average sunshine in September:
8h and 4min - Average sunshine in October:
6h and 4min - Average sunshine in November:
5h and 5min - Average sunshine in December:
5h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 5h and 18min).
Average sunshine days
Illiswil, Switzerland
- Average sunshine days in January:
16.8 days - Average sunshine days in February:
14.3 days - Average sunshine days in March:
14.6 days - Average sunshine days in April:
11.5 days - Average sunshine days in May:
9.3 days - Average sunshine days in June:
9.3 days
- Average sunshine days in July:
9.5 days - Average sunshine days in August:
11.2 days - Average sunshine days in September:
14.2 days - Average sunshine days in October:
19.5 days - Average sunshine days in November:
17.9 days - Average sunshine days in December:
16.8 days
The month with the most sunshine days is October (19.5 days).
The months with the least sunshine days are May and June (9.3 days).
Average UV index
Illiswil, 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
Illiswil, Switzerland
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility
Illiswil, Switzerland
The months with the highest visibility are March, April and December (9km).
The months with the lowest visibility are January, February, May, June, July, August, September, October and November (8km).
Illiswil, Switzerland
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