August weather forecastTreffléan, France
August
Weather in August
The last month of the summer, August, is another pleasant month in Treffléan, France, with an average temperature ranging between min 15°C (59°F) and max 21.2°C (70.2°F).Temperature
During August, Treffléan observes a subtle ascent to a still agreeable 21.2°C (70.2°F) from July's 21.3°C (70.3°F) in the average high-temperature. Treffléan encounters a steady low-temperature average of 15°C (59°F) throughout the month of August.Humidity
The months with the lowest humidity are August and September, with an average relative humidity of 78%.Rainfall
In Treffléan, in August, during 13 rainfall days, 36mm (1.42") of precipitation is typically accumulated. In Treffléan, France, during the entire year, the rain falls for 169.8 days and collects up to 593mm (23.35") of precipitation.Snowfall
January, March, May through November are months without snowfall in Treffléan.Daylight
The average length of the day in August is 14h and 14min.On the first day of August in Treffléan, sunrise is at 06:48 and sunset at 21:45. On the last day of the month, sunrise is at 07:28 and sunset at 20:52 CEST.
Sunshine
The average sunshine in August is 8.7h.UV index
The months with the highest UV index in Treffléan are June through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: During August, 5 as the daily maximum UV index converts into the following advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. To guard against the harmful effects of the Sun, minimize exposure during midday. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Treffléan, France
- Average high temperature in August: 21.2°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (9.3°C).
- Average low temperature in August: 15°C
The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is February (5.3°C).
Average pressure in August
Treffléan, France
- Average pressure in August: 1017.4mbar
The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is November (1013mbar).
Average wind speed in August
Treffléan, France
- Average wind speed in August: 15.5km/h
The windiest month (with the highest average wind speed) is December (22.9km/h).
The calmest month (with the lowest average wind speed) is August (15.5km/h).
Average humidity in August
Treffléan, France
- Average humidity in August: 78%
The months with the highest relative humidity are January and December (83%).
The months with the lowest relative humidity are August and September (78%).
Average rainfall in August
Treffléan, France
- Average rainfall in August: 36mm
The wettest month (with the highest rainfall) is November (81mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in August
Treffléan, France
- Average rainfall days in August: 13 days
The month with the highest number of rainy days is January (17.7 days).
The month with the least rainy days is September (10 days).
Average snowfall in August
Treffléan, France
- Average snowfall in August: 0mm
The months with the highest snowfall are February, April and December (1mm).
The months with the least snowfall are January, March, May, June, July, August, September, October and November (0mm).
Average snowfall days in August
Treffléan, France
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (0.5 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
Treffléan, France
- Average daylight in August: 14h and 12min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in August: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in August
Treffléan, France
- Average sunshine days in August: 15 days
The month with the most sunshine days is September (18.1 days).
The month with the least sunshine days is November (10.4 days).
Average UV index in August
Treffléan, 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, February, March, April, November and December (UV index 3).
Average cloud cover in August
Treffléan, France
- Average cloud cover in August: 35
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility in August
Treffléan, France
- Average visibility in August: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
