Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
May
Weather in May
Temperature
The onset of May brings an average high-temperature of a still mild 15.6°C (60.1°F), nearly matching the April temperature. May brings with it a nighttime average temperature of 8°C (46.4°F).Humidity
The average relative humidity in May is 83%.Rainfall
In Trelly, France, in May, it is raining for 16.3 days, with typically 33mm (1.3") of accumulated precipitation. Throughout the year, in Trelly, there are 197.4 rainfall days, and 564mm (22.2") of precipitation is accumulated.Snowfall
In Trelly, snow does not fall in May through October.Daylight
In May, the average length of the day in Trelly, France, is 15h and 19min.On the first day of the month, sunrise is at 06:43 and sunset at 21:21. On the last day of May, in Trelly, sunrise is at 06:06 and sunset at 22:00 CEST.
Sunshine
In Trelly, the average sunshine in May is 8.1h.UV index
The average daily maximum UV index in May in Trelly is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 4 in May converts into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Trelly?
What is the average humidity in May in Trelly?
How many days does it rain in May in Trelly?
When it does not snow in Trelly?
Does it snow in Trelly in May?
How many hours of daylight does Trelly have in May?
What time are sunrise and sunset in May in Trelly?
How many hours of sunshine does Trelly have in May?
How high is the UV index in May in Trelly?
Average temperature in May
Trelly, France
- Average high temperature in May: 15.6°C
The warmest month (with the highest average high temperature) is August (21°C).
The month with the lowest average high temperature is January (7.7°C).
- Average low temperature in May: 8°C
The month with the highest average low temperature is August (12.9°C).
The coldest month (with the lowest average low temperature) is February (3.3°C).
Average pressure in May
Trelly, France
- Average pressure in May: 1017.2mbar
The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1012.2mbar).
Average wind speed in May
Trelly, France
- Average wind speed in May: 15km/h
The windiest month (with the highest average wind speed) is December (20.9km/h).
The calmest month (with the lowest average wind speed) is August (13.2km/h).
Average humidity in May
Trelly, France
- Average humidity in May: 83%
The months with the highest relative humidity are January, November and December (86%).
The months with the lowest relative humidity are July, August and September (81%).
Average rainfall in May
Trelly, France
- Average rainfall in May: 33mm
The wettest month (with the highest rainfall) is December (80mm).
The driest month (with the least rainfall) is September (25mm).
Average rainfall days in May
Trelly, France
- Average rainfall days in May: 16.3 days
The month with the highest number of rainy days is January (19.3 days).
The month with the least rainy days is September (13.1 days).
Average snowfall in May
Trelly, France
- Average snowfall in May: 0mm
The month with the highest snowfall is February (15mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in May
Trelly, France
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.7 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
Trelly, France
- Average daylight in May: 15h 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 18min).
- Average sunshine in May: 8h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The months with the least sunshine are January and November (Average sunshine: 3h and 54min).
Average sunshine days in May
Trelly, France
- Average sunshine days in May: 11.4 days
The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is February (7.6 days).
Average UV index in May
Trelly, France
- Average UV index in May: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Trelly, France
- Average cloud cover in May: 46
The months with the most cloud cover are January and November (Cloud cover 61).
The months with the least cloud cover are July and September (Cloud cover 42).
Average visibility in May
Trelly, 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).
