August weather forecast
Monthey, Switzerland

August

Weather in August

August, the last month of the summer in Monthey, is another comfortable month, with an average temperature ranging between min 9°C (48.2°F) and max 19.8°C (67.6°F).

Temperature

In Monthey, the warmest period comes during July and August, when the average high-temperature touches 19.8°C (67.6°F).

Humidity

The least humid month in Monthey is August, with an average relative humidity of 77%.

Rainfall

In Monthey, in August, during 18.8 rainfall days, 108mm (4.25") of precipitation is typically accumulated. Throughout the year, there are 215.6 rainfall days, and 1219mm (47.99") of precipitation is accumulated.

Snowfall

June through August are months without snowfall.

Daylight

In August, the average length of the day is 14h and 7min.
On the first day of August, sunrise is at 06:14 and sunset at 21:02. On the last day of the month, sunrise is at 06:52 and sunset at 20:12 CEST.

Sunshine

The average sunshine in August is 10.4h.

UV index

The months with the highest UV index in Monthey are June through August, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 4 in August translates into these instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. When the Sun is at its strongest around midday, find shade and limit exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.

Frequently asked questions

What is the hottest time of year in Monthey?
July and August are the warmest months, with an average high-temperature of 19.8°C (67.6°F).
What is the average August temperature in Monthey?
An average high-temperature, in August, in Monthey, is 19.8°C (67.6°F) and the average low-temperature is 9°C (48.2°F).
What is the least humid month in Monthey?
August is the least humid month, with an average relative humidity of 77%.
What is the average humidity in August in Monthey?
The average relative humidity in August in Monthey is 77%.
How much does it rain in Monthey in August?
In Monthey, in August, it is raining for 18.8 days, with typically 108mm (4.25") of accumulated precipitation.
When it does not snow in Monthey?
June through August are months without snowfall in Monthey, Switzerland.
Does it snow in Monthey in August?
In Monthey, in August, it doesn't snow. In September, it regularly snows.
How many hours of daylight does Monthey have in August?
In August, the average day length in Monthey, Switzerland, is 14h and 7min.
What time are sunrise and sunset in August in Monthey?
In August, on the first day of the month, sunrise is at 06:14 and sunset at 21:02. On the last day of the month, in Monthey, sunrise is at 06:52 and sunset at 20:12 CEST.
How many hours of sunshine does Monthey have in August?
In August, the average sunshine duration is 10.4h.
What are the months with the highest UV index in Monthey?
June through August, with an average maximum UV index of 4, are months with the highest UV index.
What is the UV index reading in August in Monthey?
In August, the average daily maximum UV index in Monthey is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
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
Monthey, 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
Monthey, 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
Monthey, 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
Monthey, 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
Monthey, 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
Monthey, 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
Monthey, 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
Monthey, 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
Monthey, 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
Monthey, 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
Monthey, 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
Monthey, 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
Monthey, 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).

englishespañol中文
Share