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 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
Weather in May
Temperature
The transition into May shows a subtle variation to a mild 14.1°C (57.4°F) from April's 12.3°C (54.1°F) in the average high-temperature. Roscoff's average temperature throughout the nights in May exhibits a minor decrease from daytime highs, stabilizing at a frosty 9.8°C (49.6°F).Humidity
In May, the average relative humidity is 83%.Rainfall
In Roscoff, during May, the rain falls for 15.6 days and regularly aggregates up to 35mm (1.38") of precipitation. Throughout the year, there are 217.9 rainfall days, and 694mm (27.32") of precipitation is accumulated.Snowfall
In Roscoff, snow does not fall in April through October.Sea temperature
In Roscoff, France, the average seawater temperature in May is 12.4°C (54.3°F).Note: Navigating the 12.4°C (54.3°F) at 13°C (55.4°F) is no joy, and temperatures less than 10°C (50°F) can threaten breathing and cause a chilling shock, gauging personal stamina.
Daylight
The average length of the day in May is 15h and 17min.On the first day of May, sunrise is at 06:54 and sunset at 21:31. On the last day of the month, sunrise is at 06:17 and sunset at 22:09 CEST.
Sunshine
In Roscoff, the average sunshine in May is 8.9h.UV index
The average daily maximum UV index in May in Roscoff is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In May, the maximum UV index of 4 suggests this advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Frequently asked questions
What is the average May temperature in Roscoff?
What is the average humidity in May in Roscoff?
How much does it rain in Roscoff in May?
When it does not snow in Roscoff?
How cold is the water in May in Roscoff?
What is the average length of the day in May in Roscoff?
When is the sunrise / sunset in May in Roscoff?
How many hours of sunshine does Roscoff have in May?
How high is the UV index in May in Roscoff?
Average temperature in May
Roscoff, France
- Average high temperature in May: 14.1°C
The warmest month (with the highest average high temperature) is August (18.8°C).
The month with the lowest average high temperature is February (9.3°C).
- Average low temperature in May: 9.8°C
The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is February (6.2°C).
Average pressure in May
Roscoff, France
- Average pressure in May: 1017.6mbar
The month with the highest atmospheric pressure is September (1018.2mbar).
The month with the lowest atmospheric pressure is November (1011.8mbar).
Average wind speed in May
Roscoff, France
- Average wind speed in May: 18.7km/h
The windiest month (with the highest average wind speed) is December (27.3km/h).
The calmest month (with the lowest average wind speed) is July (17.6km/h).
Average humidity in May
Roscoff, France
- Average humidity in May: 83%
The month with the highest relative humidity is June (84%).
The month with the lowest relative humidity is February (80%).
Average rainfall in May
Roscoff, France
- Average rainfall in May: 35mm
The wettest month (with the highest rainfall) is November (95mm).
The driest month (with the least rainfall) is September (30mm).
Average rainfall days in May
Roscoff, France
- Average rainfall days in May: 15.6 days
The month with the highest number of rainy days is November (22.4 days).
The month with the least rainy days is September (14.1 days).
Average snowfall in May
Roscoff, France
- Average snowfall in May: 0mm
The month with the highest snowfall is March (7mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Roscoff, France
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in May
Roscoff, France
- Average sea temperature in May: 12.4°C
The best month for swimming (with the highest average sea temperature) is August (16.9°C).
The coldest month (with the lowest average sea temperature) is March (9.9°C).
Average daylight in May /
Average sunshine in May
Roscoff, France
- Average daylight in May: 15h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in May
Roscoff, France
- Average sunshine days in May: 10.6 days
The month with the most sunshine days is September (11.3 days).
The month with the least sunshine days is November (4.6 days).
Average UV index in May
Roscoff, France
- Average UV index in May: 4
The months with the highest UV index are July and August (UV index 5).
The month with the lowest UV index is February (UV index 2).
Average cloud cover in May
Roscoff, France
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 41).
Average visibility in May
Roscoff, France
- Average visibility in May: 10km
The months with the highest visibility are March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, November and December (9km).
Roscoff, France
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