May weather forecastRiantec, France
May
Weather in May
The last month of the spring, May, is an enjoyable month in Riantec, France, with an average temperature fluctuating between 16°C (60.8°F) and 9.7°C (49.5°F).Temperature
The advent of May reveals an average high-temperature of a still refreshing 16°C (60.8°F), showing minimal difference from the prior month. In the month of May, the average low-temperature in Riantec usually rests at a chilly 9.7°C (49.5°F).Humidity
In Riantec, the average relative humidity in May is 80%.Rainfall
In Riantec, in May, during 15.1 rainfall days, 37mm (1.46") of precipitation is typically accumulated. Throughout the year, in Riantec, there are 176.7 rainfall days, and 625mm (24.61") of precipitation is accumulated.Snowfall
In Riantec, snow does not fall in March, May through November.Sea temperature
In May, the average sea temperature is 14.1°C (57.4°F).Note: Diving into 14.1°C (57.4°F) is practical below 10°C (50°F), given you're wearing protective swim gear; without it, expect a quick onset of cold shock and a struggle to breathe. Merely touching waters at 13°C (55.4°F) feels ice-cold.
Daylight
The average length of the day in May is 15h and 10min.On the first day of the month, sunrise is at 06:54 and sunset at 21:25. On the last day of May, sunrise is at 06:19 and sunset at 22:02 CEST.
Sunshine
The average sunshine in May is 9.1h.UV index
The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 4 during May translates into the following recommendations:
Exercise prevention - Warding off sunburn is urged. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Riantec, France
- Average high temperature in May: 16°C
The warmest months (with the highest average high temperature) are July and August (20.8°C).
The months with the lowest average high temperature are January and February (9.3°C).
- Average low temperature in May: 9.7°C
The month with the highest average low temperature is July (14.3°C).
The coldest month (with the lowest average low temperature) is February (5.3°C).
Average pressure in May
Riantec, France
- Average pressure in May: 1017.5mbar
The month with the highest atmospheric pressure is September (1018.5mbar).
The month with the lowest atmospheric pressure is November (1012.8mbar).
Average wind speed in May
Riantec, France
- Average wind speed in May: 16.1km/h
The windiest months (with the highest average wind speed) are January, February and December (21.6km/h).
The calmest month (with the lowest average wind speed) is August (14.9km/h).
Average humidity in May
Riantec, France
- Average humidity in May: 80%
The months with the highest relative humidity are January and December (84%).
The months with the lowest relative humidity are April, July and September (79%).
Average rainfall in May
Riantec, France
- Average rainfall in May: 37mm
The wettest month (with the highest rainfall) is November (86mm).
The driest month (with the least rainfall) is July (27mm).
Average rainfall days in May
Riantec, France
- Average rainfall days in May: 15.1 days
The month with the highest number of rainy days is December (17.8 days).
The month with the least rainy days is September (11.1 days).
Average snowfall in May
Riantec, France
- Average snowfall in May: 0mm
The month with the highest snowfall is February (4mm).
The months with the least snowfall are March, May, June, July, August, September, October and November (0mm).
Average snowfall days in May
Riantec, France
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in May
Riantec, France
- Average sea temperature in May: 14.1°C
The best month for swimming (with the highest average sea temperature) is August (17.9°C).
The coldest month (with the lowest average sea temperature) is February (9.9°C).
Average daylight in May /
Average sunshine in May
Riantec, France
- Average daylight in May: 15h 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 May: 9h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 3h and 54min).
Average sunshine days in May
Riantec, France
- Average sunshine days in May: 12.3 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is November (8.5 days).
Average UV index in May
Riantec, France
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in May
Riantec, France
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 36).
Average visibility in May
Riantec, France
- Average visibility in May: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September and November (10km).
The months with the lowest visibility are January, October and December (9km).
