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 sea temperature 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
Guilvinec experiences a recorded average high-temperature of a still refreshing 15°C (59°F) in May, closely aligned with April's 13.1°C (55.6°F). A steady low-temperature average of 11.1°C (52°F) is logged during May, reflecting a modest dip from daytime readings.Humidity
The average relative humidity in May in Guilvinec is 80%.Rainfall
In May, in Guilvinec, the rain falls for 10.1 days. Throughout May, 16mm (0.63") of precipitation is accumulated. Throughout the year, in Guilvinec, there are 144.1 rainfall days, and 289mm (11.38") of precipitation is accumulated.Snowfall
In Guilvinec, snow does not fall in February through November.Sea temperature
In May, the average sea temperature is 13.8°C (56.8°F).Note: To swim in 13.8°C (56.8°F) at less than 10°C (50°F), ensure you're well-protected. Without it, be prepared for a sudden jolt of cold and breathing issues. Remember, even 13°C (55.4°F) is not welcoming.
Daylight
In Guilvinec, the average length of the day in May is 15h and 10min.On the first day of May, sunrise is at 06:58 and sunset at 21:30. On the last day of the month, sunrise is at 06:22 and sunset at 22:07 CEST.
Sunshine
In Guilvinec, France, the average sunshine in May is 9.5h.UV index
In Guilvinec, France, 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 ordinary individuals.Note: The average daily UV index of 4 in May transforms into the following instructions:
Ensure safety - Sun damage prevention is strongly urged. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Guilvinec?
What is the average humidity in May in Guilvinec?
How much does it rain in Guilvinec in May?
When it does not snow in Guilvinec?
How cold is the water in May in Guilvinec?
What is the average length of the day in May in Guilvinec?
When are sunrise and sunset in May in Guilvinec?
How long on average sun shines in May in Guilvinec?
What is the UV index reading in May in Guilvinec?
Average temperature in May
Guilvinec, 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
Guilvinec, 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
Guilvinec, 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
Guilvinec, 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
Guilvinec, 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
Guilvinec, 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
Guilvinec, 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 sea temperature in May
Guilvinec, France
- Average sea temperature in May: 13.8°C
The best month for swimming (with the highest average sea temperature) is August (17.3°C).
The coldest month (with the lowest average sea temperature) is March (10.3°C).
Average daylight in May /
Average sunshine in May
Guilvinec, 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
Guilvinec, 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
Guilvinec, 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
Guilvinec, 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
Guilvinec, 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).
