August weather forecastTrélivan, France
August
Weather in August
The last month of the summer, August, is also an agreeable month in Trélivan, France, with temperature in the range of an average low of 14°C (57.2°F) and an average high of 21.3°C (70.3°F).Temperature
Trélivan experiences its highest average temperatures in August, reaching a peak of 21.3°C (70.3°F) and a minimum of 14°C (57.2°F).Humidity
The average relative humidity in August in Trélivan, France, is 79%.Rainfall
In Trélivan, during August, the rain falls for 16.8 days and regularly aggregates up to 51mm (2.01") of precipitation. Throughout the year, there are 206.9 rainfall days, and 606mm (23.86") of precipitation is accumulated.Snowfall
May through October are months without snowfall in Trélivan.Daylight
The average length of the day in August is 14h and 17min.On the first day of August, sunrise is at 06:44 and sunset at 21:45. On the last day of the month, sunrise is at 07:25 and sunset at 20:51 CEST.
Sunshine
In Trélivan, the average sunshine in August is 8.2h.UV index
In August, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 4 during August translates into these guidelines:
Preventative actions are necessary - Recommendations to ward off sunburn are given. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Trélivan, France
- Average high temperature in August: 21.3°C
The warmest month (with the highest average high temperature) is August (21.3°C).
The month with the lowest average high temperature is January (8.7°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 (4.3°C).
Average pressure in August
Trélivan, 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
Trélivan, France
- Average wind speed in August: 14.3km/h
The windiest month (with the highest average wind speed) is December (22.3km/h).
The calmest month (with the lowest average wind speed) is August (14.3km/h).
Average humidity in August
Trélivan, France
- Average humidity in August: 79%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is September (78%).
Average rainfall in August
Trélivan, France
- Average rainfall in August: 51mm
The wettest month (with the highest rainfall) is November (72mm).
The driest month (with the least rainfall) is July (31mm).
Average rainfall days in August
Trélivan, France
- Average rainfall days in August: 16.8 days
The month with the highest number of rainy days is January (20.2 days).
The month with the least rainy days is September (14.7 days).
Average snowfall in August
Trélivan, France
- Average snowfall in August: 0mm
The month with the highest snowfall is December (11mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in August
Trélivan, 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
Trélivan, France
- Average daylight in August: 14h and 18min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in August: 8h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in August
Trélivan, France
- Average sunshine days in August: 9.6 days
The month with the most sunshine days is September (12.3 days).
The months with the least sunshine days are January and November (6.6 days).
Average UV index in August
Trélivan, France
- 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 and February (UV index 2).
Average cloud cover in August
Trélivan, France
- Average cloud cover in August: 42
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 39).
Average visibility in August
Trélivan, France
- Average visibility in August: 9km
The month with the highest visibility is March (10km).
The months with the lowest visibility are January, February, April, May, June, July, August, September, October, November and December (9km).





