May weather forecastRiez, France
May
Weather in May
May, the last month of the spring in Riez, is a comfortable month, with temperature in the range of an average low of 7.5°C (45.5°F) and an average high of 19°C (66.2°F).Temperature
May introduces a minor temperature shift, with average high-temperatures adjusting from April's refreshing 15.9°C (60.6°F) to an enjoyable 19°C (66.2°F). The average low-temperature during May nights is a chilly 7.5°C (45.5°F).Humidity
The average relative humidity in May is 69%.Rainfall
In May, the rain falls for 15.3 days. Throughout May, 59mm (2.32") of precipitation is accumulated. Throughout the year, there are 124.1 rainfall days, and 500mm (19.69") of precipitation is accumulated.Snowfall
In Riez, snow does not fall in April through September.Daylight
In May, the average length of the day is 14h and 45min.On the first day of the month, sunrise is at 06:26 and sunset at 20:38. On the last day of May, sunrise is at 05:56 and sunset at 21:10 CEST.
Sunshine
The average sunshine in May is 11h.UV index
In Riez, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The UV index of 4 during May translates into the following guidance:
Guard yourself - An obligation to protect skin and eyes from harm exists. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Riez, France
- Average high temperature in May: 19°C
The warmest month (with the highest average high temperature) is August (27.5°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in May: 7.5°C
The months with the highest average low temperature are July and August (13.8°C).
The coldest month (with the lowest average low temperature) is February (-1.1°C).
Average pressure in May
Riez, France
- Average pressure in May: 1014.8mbar
The month with the highest atmospheric pressure is December (1019.5mbar).
The month with the lowest atmospheric pressure is April (1014.4mbar).
Average wind speed in May
Riez, France
- Average wind speed in May: 9.5km/h
The windiest month (with the highest average wind speed) is March (10.1km/h).
The calmest month (with the lowest average wind speed) is September (8.1km/h).
Average humidity in May
Riez, France
- Average humidity in May: 69%
The month with the highest relative humidity is November (76%).
The month with the lowest relative humidity is August (58%).
Average rainfall in May
Riez, France
- Average rainfall in May: 59mm
The wettest month (with the highest rainfall) is November (73mm).
The driest month (with the least rainfall) is July (22mm).
Average rainfall days in May
Riez, France
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is August (7.7 days).
Average snowfall in May
Riez, France
- Average snowfall in May: 0mm
The month with the highest snowfall is January (29mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in May
Riez, France
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Riez, France
- Average daylight in May: 14h and 42min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 11h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 24min).
Average sunshine days in May
Riez, France
- Average sunshine days in May: 13.2 days
The month with the most sunshine days is August (21.7 days).
The month with the least sunshine days is May (13.2 days).
Average UV index in May
Riez, France
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Riez, France
- Average cloud cover in May: 26
The month with the most cloud cover is November (Cloud cover 31).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in May
Riez, France
- Average visibility in May: 9km
The months with the highest visibility are March, June, July and August (10km).
The months with the lowest visibility are January, February, April, May, September, October, November and December (9km).
