May weather forecastTréflaouénan, France
May
Weather in May
The last month of the spring, May, is another mild month in Tréflaouénan, France, with an average temperature varying between 8.6°C (47.5°F) and 15.8°C (60.4°F).Temperature
Tréflaouénan greets May with an average high-temperature of a still mild 15.8°C (60.4°F), marking a slight deviation from the preceding month. Tréflaouénan records an average low-temperature of 8.6°C (47.5°F) throughout the month of May.Humidity
The average relative humidity in May in Tréflaouénan is 83%.Rainfall
In Tréflaouénan, France, in May, during 17.1 rainfall days, 41mm (1.61") of precipitation is typically accumulated. Throughout the year, there are 218.3 rainfall days, and 710mm (27.95") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In May, the average length of the day in Tréflaouénan is 15h and 16min.On the first day of May, sunrise is at 06:55 and sunset at 21:31. On the last day of the month, sunrise is at 06:18 and sunset at 22:09 CEST.
Sunshine
In Tréflaouénan, the average sunshine in May is 8.2h.UV index
In Tréflaouénan, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: An average UV index of 4 in May transforms into this advice:
Take precautions - Protection against sunburn is recommended. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Tréflaouénan, France
- Average high temperature in May: 15.8°C
The warmest month (with the highest average high temperature) is July (20.1°C).
The month with the lowest average high temperature is January (9°C).
- Average low temperature in May: 8.6°C
The month with the highest average low temperature is August (13.2°C).
The coldest month (with the lowest average low temperature) is February (4.8°C).
Average pressure in May
Tréflaouénan, France
- Average pressure in May: 1017.6mbar
The month with the highest atmospheric pressure is September (1018.3mbar).
The month with the lowest atmospheric pressure is November (1012mbar).
Average wind speed in May
Tréflaouénan, France
- Average wind speed in May: 15.5km/h
The windiest months (with the highest average wind speed) are February and December (21.7km/h).
The calmest months (with the lowest average wind speed) are July and August (14.8km/h).
Average humidity in May
Tréflaouénan, France
- Average humidity in May: 83%
The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are April and September (81%).
Average rainfall in May
Tréflaouénan, France
- Average rainfall in May: 41mm
The wettest month (with the highest rainfall) is November (95mm).
The driest month (with the least rainfall) is September (33mm).
Average rainfall days in May
Tréflaouénan, France
- Average rainfall days in May: 17.1 days
The month with the highest number of rainy days is November (21.1 days).
The month with the least rainy days is September (14.5 days).
Average snowfall in May
Tréflaouénan, France
- Average snowfall in May: 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 May
Tréflaouénan, France
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Tréflaouénan, France
- Average daylight in May: 15h 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 May: 8h and 12min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in May
Tréflaouénan, France
- Average sunshine days in May: 10.4 days
The month with the most sunshine days is September (11.3 days).
The month with the least sunshine days is November (5.9 days).
Average UV index in May
Tréflaouénan, France
- Average UV index in May: 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 May
Tréflaouénan, France
- Average cloud cover in May: 49
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is April (Cloud cover 45).
Average visibility in May
Tréflaouénan, France
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).





