Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
The highest point of temperatures falls in July and August, when the average high-temperature ascends to 19.8°C (67.6°F).Humidity
With an average relative humidity of 77%, August is the least humid month in Vionnaz.Rainfall
In August, in Vionnaz, the rain falls for 18.8 days. Throughout August, 108mm (4.25") of precipitation is accumulated. In Vionnaz, during the entire year, the rain falls for 215.6 days and collects up to 1219mm (47.99") of precipitation.Snowfall
In Vionnaz, snow does not fall in June through August.Daylight
The average length of the day in August is 14h and 7min.On the first day of the month, sunrise is at 06:14 and sunset at 21:02. On the last day of August, sunrise is at 06:52 and sunset at 20:12 CEST.
Sunshine
The average sunshine in August is 10.4h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 4 in August converts into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the warmest months in Vionnaz?
What are August temperatures in Vionnaz?
What is the least humid month in Vionnaz?
What is the average humidity in August in Vionnaz?
How many days does it rain in August in Vionnaz?
When it does not snow in Vionnaz?
Does it snow in Vionnaz in August?
What is the average length of the day in August in Vionnaz?
When is the sunrise / sunset in August in Vionnaz?
How long on average sun shines in August in Vionnaz?
When is the highest UV index in Vionnaz?
How high is the UV index in August in Vionnaz?
Average temperature in August
Vionnaz, Switzerland
- Average high temperature in August: 19.8°C
The warmest months (with the highest average high temperature) are July and August (19.8°C).
The month with the lowest average high temperature is January (0.6°C).
- Average low temperature in August: 9°C
The month with the highest average low temperature is July (9.3°C).
The coldest month (with the lowest average low temperature) is February (-7.1°C).
Average pressure in August
Vionnaz, Switzerland
- Average pressure in August: 1017.7mbar
The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in August
Vionnaz, Switzerland
- Average wind speed in August: 6.5km/h
The windiest month (with the highest average wind speed) is December (9.2km/h).
The calmest month (with the lowest average wind speed) is August (6.5km/h).
Average humidity in August
Vionnaz, Switzerland
- Average humidity in August: 77%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is August (77%).
Average rainfall in August
Vionnaz, Switzerland
- Average rainfall in August: 108mm
The wettest month (with the highest rainfall) is May (144mm).
The driest month (with the least rainfall) is September (54mm).
Average rainfall days in August
Vionnaz, Switzerland
- Average rainfall days in August: 18.8 days
The month with the highest number of rainy days is May (23.5 days).
The month with the least rainy days is October (13.3 days).
Average snowfall in August
Vionnaz, Switzerland
- Average snowfall in August: 0mm
The month with the highest snowfall is January (148mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in August
Vionnaz, Switzerland
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (8.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Vionnaz, Switzerland
- Average daylight in August: 14h and 1min
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 August: 10h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in August
Vionnaz, Switzerland
- Average sunshine days in August: 8.6 days
The month with the most sunshine days is October (15 days).
The month with the least sunshine days is May (4.3 days).
Average UV index in August
Vionnaz, Switzerland
- Average UV index in August: 4
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in August
Vionnaz, Switzerland
- Average cloud cover in August: 30
The months with the most cloud cover are January, February, March, May and December (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in August
Vionnaz, Switzerland
- Average visibility in August: 8km
The months with the highest visibility are October and November (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September and December (8km).
Vionnaz, Switzerland
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