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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 Alterswilen, Switzerland, is a wintry winter month, with an average temperature fluctuating between 2.9°C (37.2°F) and -2.9°C (26.8°F). In Alterswilen, the lowest temperatures are generally noted in January, averaging a high of 2.9°C (37.2°F) and a low of -2.9°C (26.8°F). Weather in January »
Weather in February
The last month of the winter, February, is also an icy month in Alterswilen, Switzerland, with an average temperature ranging between min -2.8°C (27°F) and max 3.7°C (38.7°F). Alterswilen's average high-temperature in February is a still icy 3.7°C (38.7°F), indicating a subtle variation from January. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Alterswilen, Switzerland, with an average temperature ranging between min 0.2°C (32.4°F) and max 8.3°C (46.9°F). March brings a slight rise in Alterswilen's average high-temperature, moving from a wintry 3.7°C (38.7°F) in February to a chilly 8.3°C (46.9°F). Weather in March »
Weather in April
April in Alterswilen, Switzerland, is a moderate spring month, with temperature in the range of an average low of 3.8°C (38.8°F) and an average high of 13.9°C (57°F). The shift from March to April is marked by an increase in the average high-temperature, moving from a frosty 8.3°C (46.9°F) to a moderate 13.9°C (57°F). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Alterswilen, Switzerland, with temperature in the range of an average high of 16.9°C (62.4°F) and an average low of 6.8°C (44.2°F). Stepping into May, Alterswilen records an average high-temperature of an enjoyable 16.9°C (62.4°F), almost consistent with April. Weather in May »
Weather in June
June, the first month of the summer in Alterswilen, is an agreeable month, with an average temperature ranging between min 10.8°C (51.4°F) and max 21°C (69.8°F). The shift from May to June sees a slight increase in the average high-temperature, transitioning from an enjoyable 16.9°C (62.4°F) to an agreeable 21°C (69.8°F). Weather in June »
Weather in July
July in Alterswilen, Switzerland, is a warm summer month, with an average temperature varying between 23.1°C (73.6°F) and 12.6°C (54.7°F). Alterswilen's warmest weather arrives in July, when temperatures average a high of 23.1°C (73.6°F) and a low of 12.6°C (54.7°F). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Alterswilen, Switzerland, with an average temperature varying between 23°C (73.4°F) and 12.6°C (54.7°F). In Alterswilen, August's average high-temperature stands at a still moderately hot 23°C (73.4°F), closely related to the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is still a comfortable month in Alterswilen, Switzerland, with an average temperature fluctuating between 18.6°C (65.5°F) and 8.6°C (47.5°F). With the onset of September, the average high-temperature subtly recedes from August's moderately hot 23°C (73.4°F) to a refreshing 18.6°C (65.5°F). Weather in September »
Weather in October
October, the same as September, in Alterswilen, Switzerland, is another refreshing autumn month, with an average temperature fluctuating between 13.9°C (57°F) and 5.4°C (41.7°F). Alterswilen, Switzerland, in October undergoes a slight reduction in the average high-temperature, shifting from September's enjoyable 18.6°C (65.5°F) to a mild 13.9°C (57°F). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Alterswilen, Switzerland, with temperature in the range of an average low of 1.9°C (35.4°F) and an average high of 8.6°C (47.5°F). The onset of November results in a decrease in the average high-temperature, receding from a moderate 13.9°C (57°F) in October to a chilly 8.6°C (47.5°F). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Alterswilen, Switzerland, with an average temperature fluctuating between -1.4°C (29.5°F) and 4.1°C (39.4°F). December reveals a small adjustment in temperature, transitioning from an average high of a frosty 8.6°C (47.5°F) in November to an icy 4.1°C (39.4°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 is the coldest month in Alterswilen?
During the coldest month in Alterswilen, January, temperatures average a high of 2.9°C (37.2°F) and a low of -2.9°C (26.8°F).
What is the most humid month in Alterswilen?
The most humid month in Alterswilen, Switzerland, is January, with an average relative humidity of 85%.
How many days does it rain in Alterswilen?
Throughout the year, there are 177.8 rainfall days, and 1006mm (39.61") of precipitation is accumulated.
When does it snow in Alterswilen?
Months with snowfall in Alterswilen, Switzerland, are January through May, October through December.
When does it snow the most in Alterswilen?
The month with the most snowfall in Alterswilen is January, when snow falls for 12.3 days and typically aggregates up to 353mm (13.9") of snow.
How many days does it snow in Alterswilen?
Throughout the year, in Alterswilen, there are 55.7 snowfall days, and 1345mm (52.95") of snow is accumulated.
When is the lowest UV index in Alterswilen?
The months with the lowest UV index in Alterswilen, Switzerland, are January, February, November and December, with an average maximum UV index of 2.
What are the months with the least sunshine in Alterswilen?
The months with the least sunshine in Alterswilen are February and December, with an average of 5.1h of sunshine.
What is the driest month in Alterswilen?
April is the month with the least rainfall in Alterswilen, Switzerland. Rain falls for 14.5 days and accumulates 52mm (2.05") of precipitation.
When it does not snow in Alterswilen?
June through September are months without snowfall.
When are the longest days in Alterswilen?
With an average of 15h and 54min of daylight, June has the longest days of the year in Alterswilen, Switzerland.
What are the months with the highest UV index in Alterswilen?
June and July, with an average maximum UV index of 5, are months with the highest UV index.
What month is the hottest in Alterswilen?
July proves to be the warmest month in Alterswilen, Switzerland, recording an average peak temperature of 23.1°C (73.6°F) and a minimum temperature of 12.6°C (54.7°F).
What is the least humid month in Alterswilen?
The least humid month in Alterswilen is July, with an average relative humidity of 75%.
What is the month with the most sunshine in Alterswilen?
The months with the most sunshine in Alterswilen, Switzerland, are July and August, with an average of 10.3h of sunshine.
What is the rainiest month in Alterswilen?
The month with the most rainfall is August, when the rain falls for 18.8 days and typically aggregates up to 126mm (4.96") of precipitation.
When is Daylight Saving Time (DST) in Alterswilen?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Alterswilen, 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.
What is the month with the shortest days in Alterswilen?
December has the shortest days of the year, with an average of 8h and 30min of daylight.
Average temperature
Alterswilen, 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 months with the highest average low temperature are July and August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-2.9°C).
Average pressure
Alterswilen, Switzerland
- Average pressure in January:
1019.2mbar - Average pressure in February:
1017.7mbar - Average pressure in March:
1017.1mbar - Average pressure in April:
1015.7mbar - Average pressure in May:
1016.1mbar - Average pressure in June:
1016.5mbar
- Average pressure in July:
1017mbar - Average pressure in August:
1017.8mbar - Average pressure in September:
1018.6mbar - Average pressure in October:
1018.7mbar - Average pressure in November:
1015.9mbar - Average pressure in December:
1020.8mbar
The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed
Alterswilen, Switzerland
- Average wind speed in January:
8.7km/h - Average wind speed in February:
8.7km/h - Average wind speed in March:
9km/h - Average wind speed in April:
7.8km/h - Average wind speed in May:
7.9km/h - Average wind speed in June:
7.3km/h
- Average wind speed in July:
7.4km/h - Average wind speed in August:
6.7km/h - Average wind speed in September:
6.9km/h - Average wind speed in October:
7.1km/h - Average wind speed in November:
7.5km/h - Average wind speed in December:
8.6km/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 (6.7km/h).
Average humidity
Alterswilen, Switzerland
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (75%).
Average rainfall
Alterswilen, Switzerland
- Average rainfall in January:
78mm - Average rainfall in February:
60mm - Average rainfall in March:
68mm - Average rainfall in April:
52mm - Average rainfall in May:
113mm - Average rainfall in June:
104mm
The wettest month (with the highest rainfall) is August (126mm).
The driest month (with the least rainfall) is April (52mm).
Average rainfall days
Alterswilen, Switzerland
- Average rainfall days in January:
12.1 days - Average rainfall days in February:
9.5 days - Average rainfall days in March:
13.7 days - Average rainfall days in April:
14.5 days - Average rainfall days in May:
20.7 days - Average rainfall days in June:
19.5 days
- Average rainfall days in July:
20.8 days - Average rainfall days in August:
18.8 days - Average rainfall days in September:
14.3 days - Average rainfall days in October:
11.3 days - Average rainfall days in November:
10.9 days - Average rainfall days in December:
11.7 days
The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is February (9.5 days).
Average snowfall
Alterswilen, Switzerland
- Average snowfall in January:
353mm - Average snowfall in February:
274mm - Average snowfall in March:
177mm - Average snowfall in April:
71mm - Average snowfall in May:
25mm - Average snowfall in June:
0mm
The month with the highest snowfall is January (353mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Alterswilen, Switzerland
- Average snowfall days in January:
12.3 days - Average snowfall days in February:
12.6 days - Average snowfall days in March:
8 days - Average snowfall days in April:
2.8 days - Average snowfall days in May:
0.7 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:
0.1 days - Average snowfall days in October:
1.5 days - Average snowfall days in November:
6.5 days - Average snowfall days in December:
11.2 days
The month with the highest number of snowfall days is February (12.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Alterswilen, Switzerland
- Average daylight in January:
8h and 5min - 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 3min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in January:
5h and 2min - Average sunshine in February:
5h and 1min - Average sunshine in March:
7h and 0min - Average sunshine in April:
9h and 4min - Average sunshine in May:
9h and 4min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 1min - Average sunshine in October:
6h and 2min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
Average sunshine days
Alterswilen, Switzerland
- Average sunshine days in January:
12.8 days - Average sunshine days in February:
11.2 days - Average sunshine days in March:
12.8 days - Average sunshine days in April:
12.4 days - Average sunshine days in May:
7.3 days - Average sunshine days in June:
6.7 days
- Average sunshine days in July:
6.6 days - Average sunshine days in August:
8.4 days - Average sunshine days in September:
12.5 days - Average sunshine days in October:
17.2 days - Average sunshine days in November:
15.5 days - Average sunshine days in December:
12.2 days
The month with the most sunshine days is October (17.2 days).
The month with the least sunshine days is July (6.6 days).
Average UV index
Alterswilen, 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
Alterswilen, Switzerland
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility
Alterswilen, Switzerland
The months with the highest visibility are April, May, June, July, August, October and November (9km).
The months with the lowest visibility are January, February, March, September and December (8km).
