May weather forecast
Rouen, France

Weather in May

May, the last month of the spring, in Rouen, is an enjoyable month, with average temperature ranging between max 16.3°C (61.3°F) and min 7°C (44.6°F).

Temperature

In Rouen, the average high-temperature is practically the same as in April - a comfortable 16.3°C (61.3°F). In Rouen, the average low-temperature is 7°C (44.6°F).

Humidity

The average relative humidity in May is 84%.

Rainfall

In Rouen, during May, the rain falls for 17.8 days and regularly aggregates up to 46mm (1.81") of precipitation. Throughout the year, there are 189.9 rainfall days, and 524mm (20.63") of precipitation is accumulated.

Snowfall

In Rouen snow does not fall in April through October.

Daylight

In Rouen, the average length of the day in May is 15.4h.

Sunshine

The average sunshine in May is 7.6h.

UV index

In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the average humidity in May in Rouen?

In Rouen, the average relative humidity in May is 84%.

How many days does it rain in May in Rouen?

In May, in Rouen, France, the rain falls for 17.8 days. Throughout May, 46mm (1.81") of precipitation is accumulated.

When it does not snow in Rouen?

In Rouen snow does not fall in April through October.

How many hours of daylight does Rouen have in May?

In Rouen, France, the average length of the day in May is 15.4h.

How many hours of sunshine does Rouen have in May?

In Rouen, the average sunshine in May is 7.6h.

What is the UV index reading in May in Rouen?

In Rouen, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV rays.

Average temperature in May
Rouen, France

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).

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Average pressure in May
Rouen, France

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).

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Average wind speed in May
Rouen, France

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).

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Average humidity in May
Rouen, France

Average humidity in May - Rouen, France
  • Average humidity in May: 84%

Months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is August (79%).

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Average rainfall in May
Rouen, France

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).

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Average rainfall days in May
Rouen, France

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).

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Average snowfall in May
Rouen, France

Average snowfall in May - Rouen, France
  • Average snowfall in May: 0mm

The month with the highest snowfall is January (14mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days in May
Rouen, France

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).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in May /
Average sunshine in May
Rouen, France

Average daylight in May / Average sunshine in May - Rouen, France
  • Average daylight in May: 15.4h

The month with the longest days is June (Average daylight: 16.2h).
The month with the shortest days is December (Average daylight: 8.3h).

  • Average sunshine in May: 7.6h

Months with the most sunshine are June and July (Average sunshine: 9h).
The month with the least sunshine is January (Average sunshine: 3.6h).

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Average sunshine days in May
Rouen, France

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).

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Average UV index in May
Rouen, France

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).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in May
Rouen, France

Average cloud cover in May - Rouen, France
  • Average cloud cover in May: 50

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).

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Average visibility in May
Rouen, France

Average visibility in May - Rouen, France
  • Average visibility in May: 8km

Months with the highest visibility are February, March, April and December (9km).
Months with the lowest visibility are January, May, June, July, August, September, October and November (8km).

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