Cannes weather in May
Temperature, sea and sunshine in May: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in May
Fair
Best time to visit: June – September
What is the weather like in Cannes in May?
In May, Cannes is mild: daytime highs average 21 °C, and nights cool down to about 13 °C. The sea averages 17.8 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 9 hours a day. Rain is frequent, with about 10 rainy days and 66 mm in total. All in all, May is a so-so month for a holiday in Cannes.
May compared
How the weather changes from April to June. Tap a month to open it.
More details for May
- Daylight
- 14 h 40 min06:08 – 20:48
- UV index
- 8 · very highclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 16 km/haverage daily peak
- Cloud cover
- 51 %on average
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+2Europe/Paris
How the score comes together
- Temperatureweight 35 %28 %
- Seaweight 25 %11 %
- Sunshineweight 20 %95 %
- Few rainy daysweight 20 %56 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in May
- Wetsuit for longer swims
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
- Rain jacket or umbrella
Cannes in May: quick answers
Is Cannes hot in May?
No. In May, Cannes is mild: daytime highs average 21 °C and nights drop to about 13 °C.
Can you swim in Cannes in May?
Only if you don't mind cold water: in May the sea averages just 17.8 °C. Comfortable swimming is possible from June to October.
Does it rain much in Cannes in May?
Rain is frequent, with about 10 rainy days and 66 mm in total.
Cannes month by month
The whole year in CannesAll destinations: FranceWhere to go in MaySea temperature in May
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)