August weather forecastRiaz, Switzerland
August
Weather in August
August, the last month of the summer in Riaz, is also an agreeable month, with an average temperature fluctuating between 8.7°C (47.7°F) and 20.1°C (68.2°F).Temperature
In Riaz, the months of July and August are known for the peak temperatures, reaching an average high of 20.1°C (68.2°F).Humidity
The months with the lowest humidity in Riaz, Switzerland, are July and August, with an average relative humidity of 78%.Rainfall
In Riaz, during August, the rain falls for 10 days and regularly aggregates up to 29mm (1.14") of precipitation. In Riaz, Switzerland, during the entire year, the rain falls for 96.1 days and collects up to 311mm (12.24") of precipitation.Snowfall
June through September are months without snowfall in Riaz.Daylight
The average length of the day in August is 14h and 9min.On the first day of August in Riaz, sunrise is at 06:12 and sunset at 21:03. On the last day of the month, sunrise is at 06:51 and sunset at 20:12 CEST.
Sunshine
In August, the average sunshine is 10.2h.UV index
In August, the average daily maximum UV index in Riaz is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 4 during August translates into the following guidance:
Undertake precautions - Obligation exists to protect against skin and eye damage. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Riaz, Switzerland
- Average high temperature in August: 20.1°C
The warmest months (with the highest average high temperature) are July and August (20.1°C).
The month with the lowest average high temperature is January (0.6°C).
- Average low temperature in August: 8.7°C
The month with the highest average low temperature is July (8.8°C).
The coldest month (with the lowest average low temperature) is February (-7.7°C).
Average pressure in August
Riaz, 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 (1015.4mbar).
Average wind speed in August
Riaz, Switzerland
- Average wind speed in August: 6.5km/h
The windiest month (with the highest average wind speed) is December (9.4km/h).
The calmest month (with the lowest average wind speed) is August (6.5km/h).
Average humidity in August
Riaz, Switzerland
- Average humidity in August: 78%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are July and August (78%).
Average rainfall in August
Riaz, Switzerland
- Average rainfall in August: 29mm
The wettest month (with the highest rainfall) is May (38mm).
The driest month (with the least rainfall) is September (10mm).
Average rainfall days in August
Riaz, Switzerland
- Average rainfall days in August: 10 days
The months with the highest number of rainy days are June and July (11.7 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in August
Riaz, Switzerland
- Average snowfall in August: 0mm
The month with the highest snowfall is January (142mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in August
Riaz, Switzerland
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Riaz, Switzerland
- Average daylight in August: 14h and 6min
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 12min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in August
Riaz, Switzerland
- Average sunshine days in August: 18.3 days
The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is June (15.2 days).
Average UV index in August
Riaz, Switzerland
- Average UV index in August: 4
The month with the highest UV index is June (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in August
Riaz, Switzerland
- Average cloud cover in August: 33
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in August
Riaz, Switzerland
- Average visibility in August: 8km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).





