August weather forecastGrenchen, Switzerland
August
Weather in August
August, the last month of the summer in Grenchen, is another warm month, with an average temperature fluctuating between 11.7°C (53.1°F) and 23°C (73.4°F).Temperature
As Grenchen transitions into August, the average high-temperature stands at a still warm 23°C (73.4°F), offering little variation from the preceding month. Throughout the month of August, Grenchen witnesses an average low-temperature of 11.7°C (53.1°F).Humidity
April, July and August, with an average relative humidity of 79%, are the least humid months.Rainfall
In Grenchen, in August, it is raining for 17.8 days, with typically 90mm (3.54") of accumulated precipitation. Throughout the year, in Grenchen, there are 195.6 rainfall days, and 870mm (34.25") of precipitation is accumulated.Snowfall
June through August are months without snowfall in Grenchen, Switzerland.Daylight
In Grenchen, the average length of the day in August is 14h and 11min.On the first day of the month, sunrise is at 06:09 and sunset at 21:03. On the last day of August, sunrise is at 06:48 and sunset at 20:12 CEST.
Sunshine
The month with the most sunshine is August, with an average of 10.3h of sunshine.UV index
In Grenchen, Switzerland, the average daily maximum UV index in August 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 in August translates into these instructions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Grenchen, Switzerland
- Average high temperature in August: 23°C
The warmest month (with the highest average high temperature) is July (23.1°C).
The month with the lowest average high temperature is January (2.7°C).
- Average low temperature in August: 11.7°C
The month with the highest average low temperature is July (11.9°C).
The coldest months (with the lowest average low temperature) are January and February (-2.8°C).
Average pressure in August
Grenchen, Switzerland
- Average pressure in August: 1017.7mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in August
Grenchen, Switzerland
- Average wind speed in August: 6.3km/h
The windiest month (with the highest average wind speed) is February (10.2km/h).
The calmest month (with the lowest average wind speed) is August (6.3km/h).
Average humidity in August
Grenchen, Switzerland
- Average humidity in August: 79%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April, July and August (79%).
Average rainfall in August
Grenchen, Switzerland
- Average rainfall in August: 90mm
The wettest month (with the highest rainfall) is June (97mm).
The driest month (with the least rainfall) is September (46mm).
Average rainfall days in August
Grenchen, Switzerland
- Average rainfall days in August: 17.8 days
The month with the highest number of rainy days is May (21.9 days).
The month with the least rainy days is February (12.3 days).
Average snowfall in August
Grenchen, Switzerland
- Average snowfall in August: 0mm
The month with the highest snowfall is February (133mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in August
Grenchen, Switzerland
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Grenchen, Switzerland
- Average daylight in August: 14h and 12min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in August: 10h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in August
Grenchen, Switzerland
- Average sunshine days in August: 9.8 days
The month with the most sunshine days is October (14.1 days).
The month with the least sunshine days is May (6.7 days).
Average UV index in August
Grenchen, 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, November and December (UV index 2).
Average cloud cover in August
Grenchen, Switzerland
- Average cloud cover in August: 32
The months with the most cloud cover are January, February and December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in August
Grenchen, Switzerland
- Average visibility in August: 9km
The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are January, February, May, June, September, October, November and December (8km).
