May weather forecast
Saint-Sulpice-de-Royan, France

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Weather in May

The last month of the spring, May, is another comfortable month in Saint-Sulpice-de-Royan, France, with an average temperature fluctuating between 18.9°C (66°F) and 10.5°C (50.9°F).

Temperature

The commencement of May records an average high-temperature of a still comfortable 18.9°C (66°F), barely varying from April's 16.5°C (61.7°F). May brings with it a nighttime average temperature of 10.5°C (50.9°F) in Saint-Sulpice-de-Royan, France.

Humidity

In Saint-Sulpice-de-Royan, the average relative humidity in May is 79%.

Rainfall

In Saint-Sulpice-de-Royan, during May, the rain falls for 14.1 days and regularly aggregates up to 44mm (1.73") of precipitation. Throughout the year, in Saint-Sulpice-de-Royan, France, there are 161.7 rainfall days, and 495mm (19.49") of precipitation is accumulated.

Snowfall

In Saint-Sulpice-de-Royan, snow does not fall in April through November.

Daylight

In May, the average length of the day is 14h and 56min.
On the first day of May, sunrise is at 06:50 and sunset at 21:11. On the last day of the month, sunrise is at 06:18 and sunset at 21:45 CEST.

Sunshine

In May, the average sunshine is 9.1h.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In May, the UV index of 5 transforms into the following advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Updated: Feb 7, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What is the average May temperature in Saint-Sulpice-de-Royan?

In May, the average high-temperature and low-temperature in Saint-Sulpice-de-Royan, France, are 18.9°C (66°F) and 10.5°C (50.9°F) respectively.

What is the average humidity in May in Saint-Sulpice-de-Royan?

In May, the average relative humidity is 79%.

How much does it rain in Saint-Sulpice-de-Royan in May?

In Saint-Sulpice-de-Royan, France, in May, during 14.1 rainfall days, 44mm (1.73") of precipitation is typically accumulated.

When it does not snow in Saint-Sulpice-de-Royan?

April through November are months without snowfall in Saint-Sulpice-de-Royan.

How many hours of daylight does Saint-Sulpice-de-Royan have in May?

The average day length in May in Saint-Sulpice-de-Royan, France, is 14h and 56min.

When are sunrise and sunset in May in Saint-Sulpice-de-Royan?

On the first day of May, sunrise is at 06:50 and sunset at 21:11. On the last day of the month, sunrise is at 06:18 and sunset at 21:45 CEST.

How long on average sun shines in May in Saint-Sulpice-de-Royan?

In May, the average sunshine duration in Saint-Sulpice-de-Royan is 9.1h.

What is the month with the highest UV index in Saint-Sulpice-de-Royan?

The months with the highest UV index in Saint-Sulpice-de-Royan are May through September, with an average maximum UV index of 5.

How high is the UV index in May in Saint-Sulpice-de-Royan?

In Saint-Sulpice-de-Royan, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Saint-Sulpice-de-Royan, France

Average temperature in May - Saint-Sulpice-de-Royan, France
  • Average high temperature in May: 18.9°C

The warmest month (with the highest average high temperature) is August (25.7°C).
The month with the lowest average high temperature is January (9.1°C).

  • Average low temperature in May: 10.5°C

The month with the highest average low temperature is August (15.7°C).
The coldest month (with the lowest average low temperature) is February (3.8°C).

Average pressure in May
Saint-Sulpice-de-Royan, France

Average pressure in May - Saint-Sulpice-de-Royan, France
  • Average pressure in May: 1017.1mbar

The month with the highest atmospheric pressure is December (1020.3mbar).
The month with the lowest atmospheric pressure is November (1014.4mbar).

Average wind speed in May
Saint-Sulpice-de-Royan, France

Average wind speed in May - Saint-Sulpice-de-Royan, France
  • Average wind speed in May: 13.8km/h

The windiest month (with the highest average wind speed) is February (17km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).

Average humidity in May
Saint-Sulpice-de-Royan, France

Average humidity in May - Saint-Sulpice-de-Royan, France
  • Average humidity in May: 79%

The months with the highest relative humidity are January and December (84%).
The months with the lowest relative humidity are August and September (70%).

Average rainfall in May
Saint-Sulpice-de-Royan, France

Average rainfall in May - Saint-Sulpice-de-Royan, France
  • Average rainfall in May: 44mm

The wettest month (with the highest rainfall) is November (80mm).
The driest month (with the least rainfall) is July (21mm).

Average rainfall days in May
Saint-Sulpice-de-Royan, France

Average rainfall days in May - Saint-Sulpice-de-Royan, France
  • Average rainfall days in May: 14.1 days

The month with the highest number of rainy days is November (16.1 days).
The month with the least rainy days is September (9.5 days).

Average snowfall in May
Saint-Sulpice-de-Royan, France

Average snowfall in May - Saint-Sulpice-de-Royan, France
  • Average snowfall in May: 0mm

The months with the highest snowfall are March and December (4mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in May
Saint-Sulpice-de-Royan, France

Average snowfall days in May - Saint-Sulpice-de-Royan, France
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in May /
Average sunshine in May
Saint-Sulpice-de-Royan, France

Average daylight in May / Average sunshine in May - Saint-Sulpice-de-Royan, France
  • Average daylight in May: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in May: 9h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are January and December (Average sunshine: 4h and 48min).

Average sunshine days in May
Saint-Sulpice-de-Royan, France

Average sunshine days in May - Saint-Sulpice-de-Royan, France
  • Average sunshine days in May: 13.8 days

The month with the most sunshine days is September (18.6 days).
The month with the least sunshine days is November (11.7 days).

Average UV index in May
Saint-Sulpice-de-Royan, France

Average UV index in May - Saint-Sulpice-de-Royan, France
  • Average UV index in May: 5

The months with the highest UV index are May, 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
Saint-Sulpice-de-Royan, France

Average cloud cover in May - Saint-Sulpice-de-Royan, France
  • Average cloud cover in May: 40

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in May
Saint-Sulpice-de-Royan, France

Average visibility in May - Saint-Sulpice-de-Royan, France
  • Average visibility in May: 9km

The months with the highest visibility are March, July, August and September (10km).
The months with the lowest visibility are January, February, April, May, June, October, November and December (9km).

Saint-Sulpice-de-Royan, France

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