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
August
Weather in August
Temperature
Port-Valais witnesses its highest temperatures in July and August, reaching an average of 19.8°C (67.6°F).Humidity
With an average relative humidity of 77%, August is the least humid month.Rainfall
In Port-Valais, during August, the rain falls for 18.8 days and regularly aggregates up to 108mm (4.25") of precipitation. In Port-Valais, during the entire year, the rain falls for 215.6 days and collects up to 1219mm (47.99") of precipitation.Snowfall
June through August are months without snowfall.Daylight
In Port-Valais, the average length of the day in August is 14h and 8min.On the first day of August, sunrise is at 06:14 and sunset at 21:03. On the last day of the month, sunrise is at 06:52 and sunset at 20:13 CEST.
Sunshine
In Port-Valais, the average sunshine in August is 10.4h.UV index
June through August, with an average maximum UV index of 4, are months with the highest UV index in Port-Valais. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In August, a regular UV index of 4 translates into these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the hottest time of year in Port-Valais?
What are August temperatures in Port-Valais?
What is the least humid month in Port-Valais?
What is the average humidity in August in Port-Valais?
How much does it rain in Port-Valais in August?
When it does not snow in Port-Valais?
Does it snow in Port-Valais in August?
How many hours of daylight does Port-Valais have in August?
What time are sunrise and sunset in August in Port-Valais?
How long on average sun shines in August in Port-Valais?
What is the month with the highest UV index in Port-Valais?
What is the UV index reading in August in Port-Valais?
Average temperature in August
Port-Valais, 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
Port-Valais, 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
Port-Valais, 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
Port-Valais, 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
Port-Valais, 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
Port-Valais, 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
Port-Valais, 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
Port-Valais, 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
Port-Valais, 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
Port-Valais, 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
Port-Valais, 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
Port-Valais, 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
Port-Valais, 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).
