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 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
In May, Treffiagat experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 13.1°C (55.6°F) in April to a still moderate 15°C (59°F). Throughout May, Treffiagat observes a steady low-temperature average of 11.1°C (52°F), reflecting a minor dip from daytime highs.Humidity
In Treffiagat, the average relative humidity in May is 80%.Rainfall
In Treffiagat, in May, it is raining for 10.1 days, with typically 16mm (0.63") of accumulated precipitation. In Treffiagat, during the entire year, the rain falls for 144.1 days and collects up to 289mm (11.38") of precipitation.Snowfall
In Treffiagat, France, snow does not fall in February through November.Daylight
The average length of the day in May is 15h and 10min.On the first day of the month, sunrise is at 06:58 and sunset at 21:29. On the last day of May, in Treffiagat, sunrise is at 06:22 and sunset at 22:06 CEST.
Sunshine
In May, the average sunshine is 9.5h.UV index
The average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index, 4 in May, converts into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. To avoid the Sun's strongest rays, limit exposure around the mid-day period. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Treffiagat in May?
What is the average humidity in May in Treffiagat?
How many days does it rain in May in Treffiagat?
When it does not snow in Treffiagat?
What is the average length of the day in May in Treffiagat?
What time are sunrise and sunset in May in Treffiagat?
How many hours of sunshine does Treffiagat have in May?
What is the UV index reading in May in Treffiagat?
Average temperature in May
Treffiagat, France
- Average high temperature in May: 15°C
The warmest month (with the highest average high temperature) is July (19.4°C).
The month with the lowest average high temperature is February (9.8°C).
- Average low temperature in May: 11.1°C
The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is February (7.3°C).
Average pressure in May
Treffiagat, France
- Average pressure in May: 1017.7mbar
The month with the highest atmospheric pressure is September (1018.5mbar).
The month with the lowest atmospheric pressure is November (1012.6mbar).
Average wind speed in May
Treffiagat, France
- Average wind speed in May: 19km/h
The windiest month (with the highest average wind speed) is December (27.4km/h).
The calmest month (with the lowest average wind speed) is August (18km/h).
Average humidity in May
Treffiagat, France
- Average humidity in May: 80%
The months with the highest relative humidity are June, July, August and December (81%).
The months with the lowest relative humidity are February, March, April, September and November (79%).
Average rainfall in May
Treffiagat, France
- Average rainfall in May: 16mm
The wettest month (with the highest rainfall) is November (40mm).
The driest month (with the least rainfall) is September (13mm).
Average rainfall days in May
Treffiagat, France
- Average rainfall days in May: 10.1 days
The month with the highest number of rainy days is January (15.6 days).
The month with the least rainy days is September (7.8 days).
Average snowfall days in May
Treffiagat, France
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is December (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Treffiagat, France
- Average daylight in May: 15h and 1min
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 May: 9h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in May
Treffiagat, France
- Average sunshine days in May: 17.7 days
The month with the most sunshine days is September (19.6 days).
The month with the least sunshine days is November (10.6 days).
Average UV index in May
Treffiagat, France
- Average UV index in May: 4
The months with the highest UV index are June, July, August and September (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 May
Treffiagat, France
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 36).
Average visibility in May
Treffiagat, France
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
