August weather forecast
Alterswil, Switzerland

August

Weather in August

August, the last month of the summer in Alterswil, is also an agreeable month, with an average temperature fluctuating between 21.9°C (71.4°F) and 10.7°C (51.3°F).

Temperature

Alterswil indicates an average high-temperature of a still pleasant 21.9°C (71.4°F) in August, showing minor variation from July's 22°C (71.6°F). In the month of August, Alterswil records a consistent average low-temperature of 10.7°C (51.3°F).

Humidity

April, July and August, with an average relative humidity of 79%, are the least humid months in Alterswil.

Rainfall

In Alterswil, in August, during 20.8 rainfall days, 104mm (4.09") of precipitation is typically accumulated. In Alterswil, during the entire year, the rain falls for 205.3 days and collects up to 992mm (39.06") of precipitation.

Snowfall

In Alterswil, snow does not fall in June through September.

Daylight

In Alterswil, the average length of the day in August is 14h and 10min.
On the first day of August, sunrise is at 06:11 and sunset at 21:02. On the last day of the month, sunrise is at 06:50 and sunset at 20:12 CEST.

Sunshine

The months with the most sunshine are July and August, with an average of 10.3h of sunshine.

UV index

In Alterswil, the average daily maximum UV index in August is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In August, the maximum UV index of 4 transforms into these recommendations:
Take necessary precautions - Defending against sun damage is advocated. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.

Frequently asked questions

What is the average August temperature in Alterswil?
The high-temperature, in August, in Alterswil, is 21.9°C (71.4°F), while the low-temperature averages to 10.7°C (51.3°F).
What are the least humid months in Alterswil?
The months with the lowest humidity in Alterswil are April, July and August, with an average relative humidity of 79%.
What is the average humidity in August in Alterswil?
In Alterswil, Switzerland, the average relative humidity in August is 79%.
How much does it rain in Alterswil in August?
In August, in Alterswil, Switzerland, the rain falls for 20.8 days. Throughout August, 104mm (4.09") of precipitation is accumulated.
When it does not snow in Alterswil?
In Alterswil, Switzerland, snow does not fall in June through September.
How many hours of daylight does Alterswil have in August?
In Alterswil, Switzerland, the average day length in August is 14h and 10min.
When is the sunrise / sunset in August in Alterswil?
On the first day of August in Alterswil, sunrise is at 06:11 and sunset at 21:02. On the last day of the month, sunrise is at 06:50 and sunset at 20:12 CEST.
What is the month with the most sunshine in Alterswil?
July and August, with an average of 10.3h of sunshine, are months with the most sunshine.
How long on average sun shines in August in Alterswil?
In August, the average sunshine duration in Alterswil, Switzerland, is 10.3h.
How high is the UV index in August in Alterswil?
The average daily maximum UV index in August in Alterswil, Switzerland, is 4. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
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
Average temperature in August - Alterswil, Switzerland
Average temperature in August
Alterswil, Switzerland
  • Average high temperature in August: 21.9°C

The warmest month (with the highest average high temperature) is July (22°C).
The month with the lowest average high temperature is January (2.2°C).

  • Average low temperature in August: 10.7°C

The month with the highest average low temperature is July (10.8°C).
The coldest month (with the lowest average low temperature) is February (-4.6°C).

Average pressure in August - Alterswil, Switzerland
Average pressure in August
Alterswil, Switzerland
  • Average pressure in August: 1017.8mbar

The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).

Average wind speed in August - Alterswil, Switzerland
Average wind speed in August
Alterswil, Switzerland
  • Average wind speed in August: 6.3km/h

The windiest month (with the highest average wind speed) is February (9.9km/h).
The calmest month (with the lowest average wind speed) is August (6.3km/h).

Average humidity in August - Alterswil, Switzerland
Average humidity in August
Alterswil, Switzerland
  • Average humidity in August: 79%

The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April, July and August (79%).

Average rainfall in August - Alterswil, Switzerland
Average rainfall in August
Alterswil, Switzerland
  • Average rainfall in August: 104mm

The wettest month (with the highest rainfall) is June (117mm).
The driest month (with the least rainfall) is September (53mm).

Average rainfall days in August - Alterswil, Switzerland
Average rainfall days in August
Alterswil, Switzerland
  • Average rainfall days in August: 20.8 days

The month with the highest number of rainy days is May (23.1 days).
The month with the least rainy days is February (12.2 days).

Average snowfall in August - Alterswil, Switzerland
Average snowfall in August
Alterswil, Switzerland
  • Average snowfall in August: 0mm

The month with the highest snowfall is December (192mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in August - Alterswil, Switzerland
Average snowfall days in August
Alterswil, Switzerland
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August / Average sunshine in August - Alterswil, Switzerland
Average daylight in August /
Average sunshine in August
Alterswil, Switzerland
  • Average daylight in August: 14h and 1min

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 August: 10h and 2min

The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

Average sunshine days in August - Alterswil, Switzerland
Average sunshine days in August
Alterswil, Switzerland
  • Average sunshine days in August: 7.1 days

The month with the most sunshine days is October (14.6 days).
The month with the least sunshine days is June (4.3 days).

Average UV index in August - Alterswil, Switzerland
Average UV index in August
Alterswil, Switzerland
  • Average UV index in August: 4

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in August - Alterswil, Switzerland
Average cloud cover in August
Alterswil, Switzerland
  • Average cloud cover in August: 32

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 in August - Alterswil, Switzerland
Average visibility in August
Alterswil, Switzerland
  • Average visibility in August: 9km

The months with the highest visibility are March, April and August (9km).
The months with the lowest visibility are January, February, May, June, July, September, October, November and December (8km).

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