August weather forecast
Gilly, Switzerland

August

Weather in August

The last month of the summer, August, is also an agreeable month in Gilly, Switzerland, with an average temperature fluctuating between 11°C (51.8°F) and 21.8°C (71.2°F).

Temperature

Gilly's peak temperatures tend to occur in July and August, with an average high-temperature of 21.8°C (71.2°F).

Humidity

The months with the lowest humidity are July and August, with an average relative humidity of 81%.

Rainfall

In Gilly, in August, during 20 rainfall days, 137mm (5.39") of precipitation is typically accumulated. Throughout the year, there are 188.2 rainfall days, and 1513mm (59.57") of precipitation is accumulated.

Snowfall

In Gilly, snow does not fall in June through August.

Daylight

The average length of the day in August is 14h and 8min.
On the first day of the month, sunrise is at 06:16 and sunset at 21:05. On the last day of August, in Gilly, Switzerland, sunrise is at 06:54 and sunset at 20:15 CEST.

Sunshine

The month with the most sunshine is August, with an average of 9.6h of sunshine.

UV index

In August, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In August, a daily maximum UV index of 4 leads to the following instructions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.

Frequently asked questions

What time of the year is the hottest in Gilly?
The warmest period in Gilly falls in July and August, when the average high-temperature reaches 21.8°C (71.2°F).
What is the usual temperature for Gilly in August?
In Gilly, in August, the average high-temperature is 21.8°C (71.2°F), and the average low-temperature is 11°C (51.8°F).
What are the least humid months in Gilly?
July and August, with an average relative humidity of 81%, are the least humid months.
What is the average humidity in August in Gilly?
In August, the average relative humidity is 81%.
How many days does it rain in August in Gilly?
In Gilly, Switzerland, in August, it is raining for 20 days, with typically 137mm (5.39") of accumulated precipitation.
When it does not snow in Gilly?
June through August are months without snowfall in Gilly, Switzerland.
Does it snow in Gilly in August?
In Gilly, Switzerland, in August, it doesn't snow. In September, it regularly snows.
How many hours of daylight does Gilly have in August?
The average day length in August in Gilly, Switzerland, is 14h and 8min.
When is the sunrise / sunset in August in Gilly?
On the first day of August in Gilly, sunrise is at 06:16 and sunset at 21:05. On the last day of the month, sunrise is at 06:54 and sunset at 20:15 CEST.
What month has the most sunshine in Gilly?
The month with the most sunshine is August, with an average of 9.6h of sunshine.
How long on average sun shines in August in Gilly?
In Gilly, the average sunshine duration in August is 9.6h.
How high is the UV index in August in Gilly?
In Gilly, the average daily maximum UV index in August is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in August
Gilly, Switzerland
  • Average high temperature in August: 21.8°C

The warmest months (with the highest average high temperature) are July and August (21.8°C).
The month with the lowest average high temperature is January (2.3°C).

  • Average low temperature in August: 11°C

The month with the highest average low temperature is July (11.2°C).
The coldest month (with the lowest average low temperature) is February (-3.7°C).

Average pressure in August
Gilly, Switzerland
  • Average pressure in August: 1017.8mbar

The month with the highest atmospheric pressure is December (1021.2mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).

Average wind speed in August
Gilly, Switzerland
  • Average wind speed in August: 6.7km/h

The windiest month (with the highest average wind speed) is February (10.8km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).

Average humidity in August
Gilly, Switzerland
  • Average humidity in August: 81%

The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are July and August (81%).

Average rainfall in August
Gilly, Switzerland
  • Average rainfall in August: 137mm

The wettest month (with the highest rainfall) is December (173mm).
The driest month (with the least rainfall) is September (84mm).

Average rainfall days in August
Gilly, Switzerland
  • Average rainfall days in August: 20 days

The months with the highest number of rainy days are May and June (22.8 days).
The month with the least rainy days is February (6.7 days).

Average snowfall in August
Gilly, Switzerland
  • Average snowfall in August: 0mm

The month with the highest snowfall is December (833mm).
The months with the least snowfall are June, July and August (0mm).

Average snowfall days in August
Gilly, Switzerland
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in August /
Average sunshine in August
Gilly, Switzerland
  • Average daylight in August: 14h and 1min

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 42min).

  • Average sunshine in August: 9h and 4min

The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).

Average sunshine days in August
Gilly, Switzerland
  • Average sunshine days in August: 8.3 days

The month with the most sunshine days is October (13.5 days).
The month with the least sunshine days is June (5.9 days).

Average UV index in August
Gilly, 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, October, November and December (UV index 2).

Average cloud cover in August
Gilly, Switzerland
  • Average cloud cover in August: 37

The months with the most cloud cover are January, February and December (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in August
Gilly, Switzerland
  • Average visibility in August: 8km

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (8km).
The month with the lowest visibility is January (7km).

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