August weather forecastLa Roche-Derrien, France
August
Weather in August
The last month of the summer, August, is another comfortable month in La Roche-Derrien, France, with an average temperature ranging between min 14°C (57.2°F) and max 19.1°C (66.4°F).Temperature
August is the warmest month of the year, registering average temperatures as high as 19.1°C (66.4°F) and as low as 14°C (57.2°F).Humidity
The average relative humidity in August in La Roche-Derrien is 83%.Rainfall
In August, the rain falls for 17.5 days. Throughout August, 47mm (1.85") of precipitation is accumulated. Throughout the year, in La Roche-Derrien, there are 214.5 rainfall days, and 643mm (25.31") of precipitation is accumulated.Snowfall
In La Roche-Derrien, snow does not fall in April through October.Daylight
In August, the average length of the day in La Roche-Derrien, France, is 14h and 19min.On the first day of August, sunrise is at 06:47 and sunset at 21:51. On the last day of the month, sunrise is at 07:29 and sunset at 20:57 CEST.
Sunshine
The average sunshine in August is 7.8h.UV index
In August, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: In August, the maximum UV index of 4 translates into these guidelines:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
La Roche-Derrien, France
- Average high temperature in August: 19.1°C
The warmest month (with the highest average high temperature) is August (19.1°C).
The month with the lowest average high temperature is January (9°C).
- Average low temperature in August: 14°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (5.4°C).
Average pressure in August
La Roche-Derrien, 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 (1011.9mbar).
Average wind speed in August
La Roche-Derrien, France
- Average wind speed in August: 16.4km/h
The windiest months (with the highest average wind speed) are February and December (25.3km/h).
The calmest month (with the lowest average wind speed) is July (16.3km/h).
Average humidity in August
La Roche-Derrien, France
- Average humidity in August: 83%
The month with the highest relative humidity is June (85%).
The months with the lowest relative humidity are February, March, April, September and October (82%).
Average rainfall in August
La Roche-Derrien, France
- Average rainfall in August: 47mm
The wettest month (with the highest rainfall) is November (82mm).
The driest month (with the least rainfall) is September (28mm).
Average rainfall days in August
La Roche-Derrien, France
- Average rainfall days in August: 17.5 days
The month with the highest number of rainy days is November (21.7 days).
The month with the least rainy days is September (13.7 days).
Average snowfall in August
La Roche-Derrien, France
- Average snowfall in August: 0mm
The month with the highest snowfall is January (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in August
La Roche-Derrien, France
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
La Roche-Derrien, France
- Average daylight in August: 14h and 18min
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: 7h and 48min
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 24min).
Average sunshine days in August
La Roche-Derrien, France
- Average sunshine days in August: 8.9 days
The month with the most sunshine days is September (11.1 days).
The month with the least sunshine days is November (4.8 days).
Average UV index in August
La Roche-Derrien, France
- Average UV index in August: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in August
La Roche-Derrien, France
- Average cloud cover in August: 44
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are April, July and September (Cloud cover 42).
Average visibility in August
La Roche-Derrien, France
- Average visibility in August: 9km
The months with the highest visibility are March, April, June, July and September (10km).
The months with the lowest visibility are January, February, May, August, October, November and December (9km).





