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
Weather in May
Temperature
Rouen starts May with an average high-temperature of an enjoyable 16.3°C, hinting at a minimal fluctuation from April. During the month of May, the temperature falls to an average of 7°C.Humidity
The average relative humidity in May is 84%.Rainfall
In Rouen, France, during May, the rain falls for 17.8 days and regularly aggregates up to 46mm of precipitation. Throughout the year, in Rouen, there are 189.9 rainfall days, and 524mm of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In May, the average length of the day is 15h and 22min.On the first day of May in Rouen, sunrise is at 06:33 and sunset at 21:11. On the last day of the month, sunrise is at 05:54 and sunset at 21:51 CEST.
Sunshine
In May, the average sunshine is 7.6h.UV index
In Rouen, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 4 in May converts into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
FAQ
What is the average May temperature in Rouen?
What is the average humidity in May in Rouen?
How much does it rain in Rouen in May?
When it does not snow in Rouen?
How many hours of daylight does Rouen have in May?
What time are sunrise and sunset in May in Rouen?
How long on average sun shines in May in Rouen?
How high is the UV index in May in Rouen?
Average temperature in May
Rouen, France
- Average high temperature in May: 16.3°C
The warmest month (with the highest average high temperature) is August (22.1°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in May: 7°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (1.4°C).
Average pressure in May
Rouen, France
- Average pressure in May: 1017.1mbar
The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).
Average wind speed in May
Rouen, France
- Average wind speed in May: 13.2km/h
The windiest month (with the highest average wind speed) is February (17.7km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).
Average humidity in May
Rouen, France
- Average humidity in May: 84%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is August (79%).
Average rainfall in May
Rouen, France
- Average rainfall in May: 46mm
The wettest month (with the highest rainfall) is December (60mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in May
Rouen, France
- Average rainfall days in May: 17.8 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is September (12.1 days).
Average snowfall in May
Rouen, France
- Average snowfall in May: 0mm
The month with the highest snowfall is January (14mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Rouen, France
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.3 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
Rouen, France
- Average daylight in May: 15h and 2min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in May: 7h and 4min
The months with the most sunshine are June and July (Average sunshine: 9h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in May
Rouen, France
- Average sunshine days in May: 9.6 days
The month with the most sunshine days is September (14.6 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in May
Rouen, France
- Average UV index in May: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Rouen, France
- Average cloud cover in May: 50
The months with the most cloud cover are January and November (Cloud cover 64).
The month with the least cloud cover is April (Cloud cover 46).
Average visibility in May
Rouen, France
- Average visibility in May: 8km
The months with the highest visibility are February, March, April and December (9km).
The months with the lowest visibility are January, May, June, July, August, September, October and November (8km).
Rouen, France
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