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
May observes an average high-temperature of a refreshing 13.9°C (57°F), marking an insignificant difference from April's 11.9°C (53.4°F). In Le Portel, May nights maintain a consistent temperature, with an average low of 9.8°C (49.6°F).Humidity
In Le Portel, the average relative humidity in May is 82%.Rainfall
April and May are months with the least rain when the rain falls for 12.6 days and typically aggregates up to 19mm (0.75") of rain.Snowfall
April through October are months without snowfall in Le Portel.Sea temperature
In May, the average sea temperature in Le Portel is 11.8°C (53.2°F).Note: Diving into 11.8°C (53.2°F) when it's under 10°C (50°F) can cause immediate cold shock symptoms, marked by hyperventilation.
Daylight
In Le Portel, the average length of the day in May is 15h and 32min.On the first day of the month, sunrise is at 06:26 and sunset at 21:14. On the last day of May, sunrise is at 05:46 and sunset at 21:56 CEST.
Sunshine
In May, the average sunshine is 9h.UV index
In May, the average daily maximum UV index in Le Portel is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 4 during May leads to these instructions:
Undertake protective steps - Recommendations to avoid sunburn are issued. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Frequently asked questions
What is the average May temperature in Le Portel?
What is the average humidity in May in Le Portel?
What is the driest month in Le Portel?
How much does it rain in Le Portel in May?
When it does not snow in Le Portel?
What is the sea water temperature in May in Le Portel?
What is the average length of the day in May in Le Portel?
When is the sunrise / sunset in May in Le Portel?
How many hours of sunshine does Le Portel have in May?
What is the UV index intensity in May in Le Portel?
Average temperature in May
Le Portel, France
- Average high temperature in May: 13.9°C
The warmest month (with the highest average high temperature) is August (19.6°C).
The month with the lowest average high temperature is January (7°C).
- Average low temperature in May: 9.8°C
The month with the highest average low temperature is August (15.7°C).
The coldest month (with the lowest average low temperature) is January (4.1°C).
Average pressure in May
Le Portel, France
- Average pressure in May: 1016.9mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1011.6mbar).
Average wind speed in May
Le Portel, France
- Average wind speed in May: 18.8km/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 July (18.1km/h).
Average humidity in May
Le Portel, France
- Average humidity in May: 82%
The months with the highest relative humidity are January, June and December (83%).
The months with the lowest relative humidity are August and September (79%).
Average rainfall in May
Le Portel, France
- Average rainfall in May: 19mm
The wettest month (with the highest rainfall) is December (54mm).
The driest months (with the least rainfall) are April and May (19mm).
Average rainfall days in May
Le Portel, France
- Average rainfall days in May: 12.6 days
The month with the highest number of rainy days is November (17.9 days).
The month with the least rainy days is April (11.5 days).
Average snowfall in May
Le Portel, France
- Average snowfall in May: 0mm
The month with the highest snowfall is January (21mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Le Portel, France
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in May
Le Portel, France
- Average sea temperature in May: 11.8°C
The best months for swimming (with the highest average sea temperature) are August and September (17.8°C).
The coldest month (with the lowest average sea temperature) is March (7.7°C).
Average daylight in May /
Average sunshine in May
Le Portel, France
- Average daylight in May: 15h and 3min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in May: 9h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is November (Average sunshine: 4h and 12min).
Average sunshine days in May
Le Portel, France
- Average sunshine days in May: 14.8 days
The month with the most sunshine days is April (15.4 days).
The month with the least sunshine days is November (9.2 days).
Average UV index in May
Le Portel, France
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in May
Le Portel, France
- Average cloud cover in May: 41
The month with the most cloud cover is November (Cloud cover 59).
The months with the least cloud cover are April and August (Cloud cover 38).
Average visibility in May
Le Portel, France
- Average visibility in May: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
Le Portel, France
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