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 start of May marks an average high-temperature of a still refreshing 15.3°C (59.5°F), hardly distinguishable from the conditions in April. Groix sustains an average of approximately a fresh 10.8°C (51.4°F) during May nights, with little variation from daytime highs.Humidity
The average relative humidity in May is 80%.Rainfall
In May, the rain falls for 11.4 days. Throughout May, 32mm (1.26") of precipitation is accumulated. Throughout the year, in Groix, there are 165.4 rainfall days, and 580mm (22.83") of precipitation is accumulated.Snowfall
In Groix, snow does not fall in January, March through December.Daylight
The average length of the day in May is 15h and 9min.On the first day of May in Groix, sunrise is at 06:55 and sunset at 21:26. On the last day of the month, sunrise is at 06:20 and sunset at 22:03 CEST.
Sunshine
The average sunshine in May is 9.3h.UV index
In May, the average daily maximum UV index in Groix, France, is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 4 during May translates into these guidelines:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Groix?
What is the average humidity in May in Groix?
How much does it rain in Groix in May?
When it does not snow in Groix?
How many hours of daylight does Groix have in May?
When is the sunrise / sunset in May in Groix?
How long on average sun shines in May in Groix?
What is the UV index reading in May in Groix?
Average temperature in May
Groix, France
- Average high temperature in May: 15.3°C
The warmest month (with the highest average high temperature) is July (20°C).
The month with the lowest average high temperature is February (9.6°C).
- Average low temperature in May: 10.8°C
The month with the highest average low temperature is July (15.5°C).
The coldest month (with the lowest average low temperature) is February (6.5°C).
Average pressure in May
Groix, France
- Average pressure in May: 1017.6mbar
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
Groix, France
- Average wind speed in May: 18.4km/h
The windiest month (with the highest average wind speed) is December (25.5km/h).
The calmest month (with the lowest average wind speed) is August (17.1km/h).
Average humidity in May
Groix, France
- Average humidity in May: 80%
The month with the highest relative humidity is December (82%).
The months with the lowest relative humidity are April and September (79%).
Average rainfall in May
Groix, France
- Average rainfall in May: 32mm
The wettest month (with the highest rainfall) is November (86mm).
The driest months (with the least rainfall) are July and September (24mm).
Average rainfall days in May
Groix, France
- Average rainfall days in May: 11.4 days
The month with the highest number of rainy days is November (17.5 days).
The month with the least rainy days is September (9.9 days).
Average snowfall in May
Groix, France
- Average snowfall in May: 0mm
The month with the highest snowfall is February (4mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in May
Groix, France
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Groix, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and December (Average sunshine: 4h and 0min).
Average sunshine days in May
Groix, France
- Average sunshine days in May: 16.6 days
The month with the most sunshine days is September (17.8 days).
The month with the least sunshine days is November (9 days).
Average UV index in May
Groix, France
- Average UV index in May: 4
The months with the highest UV index are June, July, August and September (UV index 5).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in May
Groix, France
- Average cloud cover in May: 39
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in May
Groix, 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).
