Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average sea temperature in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
In Saint-Jouan-des-Guérets, August is the warmest month, with temperatures averaging a high of 20.7°C (69.3°F) and a low of 14.6°C (58.3°F).Humidity
The average relative humidity in August in Saint-Jouan-des-Guérets is 79%.Rainfall
In Saint-Jouan-des-Guérets, during August, the rain falls for 14.7 days and regularly aggregates up to 47mm (1.85") of precipitation. In Saint-Jouan-des-Guérets, France, during the entire year, the rain falls for 187.9 days and collects up to 541mm (21.3") of precipitation.Snowfall
April through October are months without snowfall.Sea temperature
In Saint-Jouan-des-Guérets, France, in August, the average water temperature is 17.8°C (64°F).Note: Most individuals do not find swimming at 17.8°C (64°F) to be enjoyable. As the water temperature declines below 21°C (69.8°F), maintaining control over one's breathing becomes harder.
Daylight
In August, the average length of the day in Saint-Jouan-des-Guérets is 14h and 18min.On the first day of August, sunrise is at 06:42 and sunset at 21:45. On the last day of the month, sunrise is at 07:24 and sunset at 20:51 CEST.
Sunshine
In Saint-Jouan-des-Guérets, the average sunshine in August is 8.3h.UV index
June through August, with an average maximum UV index of 5, are months with the highest UV index in Saint-Jouan-des-Guérets. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 5 in August translates into this advice:
Heed the precautions - Suggestions to avoid sunburn are made. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Frequently asked questions
What time of the year is the hottest in Saint-Jouan-des-Guérets?
What is the temperature in August in Saint-Jouan-des-Guérets?
What is the average humidity in August in Saint-Jouan-des-Guérets?
How much does it rain in Saint-Jouan-des-Guérets in August?
When it does not snow in Saint-Jouan-des-Guérets?
What is the sea water temperature in August in Saint-Jouan-des-Guérets?
How many hours of daylight does Saint-Jouan-des-Guérets have in August?
When are sunrise and sunset in August in Saint-Jouan-des-Guérets?
How many hours of sunshine does Saint-Jouan-des-Guérets have in August?
What are the months with the highest UV index in Saint-Jouan-des-Guérets?
What is the UV index reading in August in Saint-Jouan-des-Guérets?
Average temperature in August
Saint-Jouan-des-Guérets, France
- Average high temperature in August: 20.7°C
The warmest month (with the highest average high temperature) is August (20.7°C).
The month with the lowest average high temperature is January (8.8°C).
- Average low temperature in August: 14.6°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is February (4.8°C).
Average pressure in August
Saint-Jouan-des-Guérets, France
- Average pressure in August: 1016.9mbar
The month with the highest atmospheric pressure is September (1018.2mbar).
The month with the lowest atmospheric pressure is November (1012.4mbar).
Average wind speed in August
Saint-Jouan-des-Guérets, France
- Average wind speed in August: 15.2km/h
The windiest month (with the highest average wind speed) is December (24km/h).
The calmest month (with the lowest average wind speed) is August (15.2km/h).
Average humidity in August
Saint-Jouan-des-Guérets, France
- Average humidity in August: 79%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is September (78%).
Average rainfall in August
Saint-Jouan-des-Guérets, France
- Average rainfall in August: 47mm
The wettest month (with the highest rainfall) is November (67mm).
The driest months (with the least rainfall) are July and September (26mm).
Average rainfall days in August
Saint-Jouan-des-Guérets, France
- Average rainfall days in August: 14.7 days
The month with the highest number of rainy days is November (18.5 days).
The month with the least rainy days is September (12.8 days).
Average snowfall in August
Saint-Jouan-des-Guérets, France
- Average snowfall in August: 0mm
The month with the highest snowfall is December (9mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in August
Saint-Jouan-des-Guérets, France
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in August
Saint-Jouan-des-Guérets, France
- Average sea temperature in August: 17.8°C
The best month for swimming (with the highest average sea temperature) is September (18°C).
The coldest months (with the lowest average sea temperature) are February and March (8.8°C).
Average daylight in August /
Average sunshine in August
Saint-Jouan-des-Guérets, France
- Average daylight in August: 14h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in August: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in August
Saint-Jouan-des-Guérets, France
- Average sunshine days in August: 12.7 days
The month with the most sunshine days is September (15.4 days).
The month with the least sunshine days is January (8.6 days).
Average UV index in August
Saint-Jouan-des-Guérets, France
- Average UV index in August: 5
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and February (UV index 2).
Average cloud cover in August
Saint-Jouan-des-Guérets, France
- Average cloud cover in August: 40
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 38).
Average visibility in August
Saint-Jouan-des-Guérets, France
- Average visibility in August: 10km
The months with the highest visibility are February, March, April, June, July, August, September, October and December (10km).
The months with the lowest visibility are January, May and November (9km).
Saint-Jouan-des-Guérets, France
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