May weather forecastSaint-Herblain, France
May
Weather in May
May, the last month of the spring in Saint-Herblain, is an enjoyable month, with an average temperature ranging between min 8.9°C (48°F) and max 18.3°C (64.9°F).Temperature
Saint-Herblain experiences an average high-temperature of an enjoyable 18.3°C (64.9°F) in May, marking an insignificant shift from 15.6°C (60.1°F) in April. Saint-Herblain sees an average low-temperature of 8.9°C (48°F) during May.Humidity
The average relative humidity in May is 81%.Rainfall
In Saint-Herblain, in May, it is raining for 13.8 days, with typically 32mm (1.26") of accumulated precipitation. Throughout the year, in Saint-Herblain, there are 158.5 rainfall days, and 472mm (18.58") of precipitation is accumulated.Snowfall
In Saint-Herblain, snow does not fall in March, May through October and December.Daylight
In Saint-Herblain, the average length of the day in May is 15h and 6min.On the first day of May in Saint-Herblain, sunrise is at 06:49 and sunset at 21:17. On the last day of the month, sunrise is at 06:14 and sunset at 21:54 CEST.
Sunshine
In May, the average sunshine in Saint-Herblain is 8.7h.UV index
In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 4 during May translates into the following guidance:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Saint-Herblain, France
- Average high temperature in May: 18.3°C
The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (8.9°C).
- Average low temperature in May: 8.9°C
The months with the highest average low temperature are July and August (14°C).
The coldest month (with the lowest average low temperature) is February (2.9°C).
Average pressure in May
Saint-Herblain, France
- Average pressure in May: 1017.2mbar
The month with the highest atmospheric pressure is December (1019.2mbar).
The month with the lowest atmospheric pressure is November (1013.5mbar).
Average wind speed in May
Saint-Herblain, France
- Average wind speed in May: 13.6km/h
The windiest month (with the highest average wind speed) is February (18km/h).
The calmest month (with the lowest average wind speed) is August (11.8km/h).
Average humidity in May
Saint-Herblain, France
- Average humidity in May: 81%
The months with the highest relative humidity are January and December (86%).
The months with the lowest relative humidity are August and September (74%).
Average rainfall in May
Saint-Herblain, France
- Average rainfall in May: 32mm
The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is September (21mm).
Average rainfall days in May
Saint-Herblain, France
- Average rainfall days in May: 13.8 days
The month with the highest number of rainy days is January (16.3 days).
The month with the least rainy days is September (8.2 days).
Average snowfall in May
Saint-Herblain, France
- Average snowfall in May: 0mm
The month with the highest snowfall is January (2mm).
The months with the least snowfall are March, May, June, July, August, September, October and December (0mm).
Average snowfall days in May
Saint-Herblain, France
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (0.5 days).
The months with the least snowfall days are March, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Saint-Herblain, France
- Average daylight in May: 15h and 6min
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 36min).
- Average sunshine in May: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in May
Saint-Herblain, France
- Average sunshine days in May: 15.3 days
The month with the most sunshine days is September (20.2 days).
The month with the least sunshine days is November (11.6 days).
Average UV index in May
Saint-Herblain, France
- Average UV index in May: 4
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, November and December (UV index 2).
Average cloud cover in May
Saint-Herblain, France
- Average cloud cover in May: 43
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in May
Saint-Herblain, 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).
