August weather forecastGrolley, Switzerland
August
Weather in August
The last month of the summer, August, is another pleasant month in Grolley, Switzerland, with temperature in the range of an average low of 10.7°C (51.3°F) and an average high of 21.9°C (71.4°F).Temperature
Grolley starts August with an average high-temperature of a still agreeable 21.9°C (71.4°F), a minor shift from July's 22°C (71.6°F). During the month of August, the temperature in Grolley falls to an average of 10.7°C (51.3°F).Humidity
April, July and August, with an average relative humidity of 79%, are the least humid months.Rainfall
In Grolley, during August, the rain falls for 20.8 days and regularly aggregates up to 104mm (4.09") of precipitation. In Grolley, during the entire year, the rain falls for 205.3 days and collects up to 992mm (39.06") of precipitation.Snowfall
In Grolley, snow does not fall in June through September.Daylight
In August, the average length of the day is 14h and 10min.On the first day of August, sunrise is at 06:12 and sunset at 21:03. On the last day of the month, sunrise is at 06:50 and sunset at 20:13 CEST.
Sunshine
The months with the most sunshine in Grolley are July and August, with an average of 10.3h of sunshine.UV index
In August, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In August, a daily UV index of 4 turns into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Grolley, 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
Grolley, 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
Grolley, 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
Grolley, 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
Grolley, 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
Grolley, 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
Grolley, 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
Grolley, 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
Grolley, Switzerland
- Average daylight in August: 14h and 12min
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 18min
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
Grolley, 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
Grolley, 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
Grolley, 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
Grolley, 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).
