May weather forecastMarseille, France

St. Jean Castle and the Cathedral de la Major, in the port of Marseille in France

May

Weather in May

May marks the beginning of the summer season, bringing color and vivaciousness to the city of Marseille. The city features more sunshine, warm temperatures, and fewer rainy days, imbuing it with the spirit of the summertime. The month shows pronounced changes like an increased temperature of 19.7°C (67.5°F) and decreasing rainfall, moving more towards the dry side. Despite the temperature escalation and minimal rainfall, the city's beauty does not fade, instead it blossoms under bright sunlight. As May approaches the end, the Marseille summer starts unveiling its full charisma.

Temperature

Marseille's average high-temperature marks a still refreshing 19.7°C (67.5°F) with the advent of May, closely mirroring that of the preceding month. Marseille in May experiences a low-temperature average of 13.8°C (56.8°F).

Humidity

The average relative humidity in May in Marseille is 69%.

Rainfall

In May, in Marseille, the rain falls for 10.1 days. Throughout May, 39mm (1.54") of precipitation is accumulated. Throughout the year, there are 106.6 rainfall days, and 428mm (16.85") of precipitation is accumulated.

Snowfall

January, April through December are months without snowfall.

Sea temperature

In May, the average sea temperature in Marseille is 17.1°C (62.8°F).
Note: For most, swimming in 17.1°C (62.8°F) is not a pleasant activity. Breathing becomes increasingly challenging as water temperature descends from 21°C (69.8°F) to 15°C (59°F).

Daylight

In May, the average length of the day is 14h and 42min.
On the first day of the month, sunrise is at 06:30 and sunset at 20:40. On the last day of May, in Marseille, sunrise is at 06:01 and sunset at 21:11 CEST.

Sunshine

In Marseille, France, the average sunshine in May is 11.1h.

UV index

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: In May, an average UV index of 5 transforms into the following instructions:
Act with care - The suggestion to avoid sunburn is emphasized. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.

Updated: Jan 24, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in May, in Marseille, is 19.7°C (67.5°F), while the low-temperature averages to 13.8°C (56.8°F).

In Marseille, the average relative humidity in May is 69%.

In Marseille, during May, the rain falls for 10.1 days and regularly aggregates up to 39mm (1.54") of precipitation.

January, April through December are months without snowfall.

In May, the average sea temperature is 17.1°C (62.8°F). Swimming in 17.1°C (62.8°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

In May, the average day length is 14h and 42min.

On the first day of May, sunrise is at 06:30 and sunset at 20:40. On the last day of the month, sunrise is at 06:01 and sunset at 21:11 CEST.

In Marseille, France, the average sunshine duration in May is 11.1h.

In May, the average daily maximum UV index in Marseille, France, is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A May J J A S O N D

Apr

May

Jun

Average high temperature

16.8°C

19.7°C

23.9°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

18.8km/h

19.5km/h

17.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

16.3

19.2

20.9

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Marseille, France

Average high temperature in May: 19.7°C

The warmest month (with the highest average high temperature) is August (27.3°C).
The month with the lowest average high temperature is January (10.4°C).

Average low temperature in May: 13.8°C

The month with the highest average low temperature is August (20.8°C).
The coldest month (with the lowest average low temperature) is February (6.1°C).

Average pressure in May
Marseille, France

Average pressure in May: 1015mbar

The month with the highest atmospheric pressure is December (1019.3mbar).
The month with the lowest atmospheric pressure is November (1014.2mbar).

Average wind speed in May
Marseille, France

Average wind speed in May: 17.9km/h

The windiest month (with the highest average wind speed) is February (21.5km/h).
The calmest month (with the lowest average wind speed) is August (14.6km/h).

Average humidity in May
Marseille, France

Average humidity in May: 69%

The month with the highest relative humidity is November (75%).
The month with the lowest relative humidity is August (63%).

Average rainfall in May
Marseille, France

Average rainfall in May: 39mm

The wettest month (with the highest rainfall) is November (77mm).
The driest month (with the least rainfall) is July (12mm).

Average rainfall days in May
Marseille, France

Average rainfall days in May: 10.1 days

The month with the highest number of rainy days is November (12.2 days).
The month with the least rainy days is July (4.8 days).

Average snowfall in May
Marseille, France

Average snowfall in May: 0mm

The month with the highest snowfall is February (2mm).
The months with the least snowfall are January, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in May
Marseille, France

Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average sea temperature in May
Marseille, France

Average sea temperature in May: 17.1°C

The best months for swimming (with the highest average sea temperature) are August and September (21.9°C).
The coldest month (with the lowest average sea temperature) is February (12.9°C).

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

Average daylight in May: 14h and 42min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).

Average sunshine in May: 11h and 6min

The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are January and November (Average sunshine: 6h and 6min).

Average sunshine days in May
Marseille, France

Average sunshine days in May: 19.2 days

The month with the most sunshine days is July (24.3 days).
The month with the least sunshine days is April (16.3 days).

Average UV index in May
Marseille, France

Average UV index in May: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in May
Marseille, France

Average cloud cover in May: 22

The month with the most cloud cover is November (Cloud cover 34).
The months with the least cloud cover are July and August (Cloud cover 10).

Average visibility in May
Marseille, France

Average visibility in May: 10km

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