Cannes weather in May
May in Cannes: nice, a little rain, with very humid — an excellent time to visit.
#5 of 12 months in Cannes · #453 of 897 destinations to visit in May · comfort 82/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Cannes in May
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Cannes climate normals — May
| Daytime high | 21°C / 70°F | 😎 nice |
|---|---|---|
| Nighttime low | 13°C / 56°F | |
| Rainfall | 45 mm / 1.8 in | 🌦 some rain |
| Rainy days | 9 days | |
| Humidity | 77% | 💦 very humid |
| Dew point | 14°C / 57°F | |
| Sunshine | 12 h/day | |
| Daylight | 14.7 h | |
| Wind | 17 km/h / 11 mph | |
| Air quality (US AQI) | 51 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Cannes in May — FAQ
- Is May a good time to visit Cannes?
- May in Cannes: nice, a little rain, with very humid — an excellent time to visit. It ranks #5 of 12 months for Cannes on SeasonMap's comfort score (82/100).
- What is the weather like in Cannes in May?
- In May, Cannes averages a daily high of 21.2°C and a low of 13.1°C, with about 44.8 mm of rain over roughly 9.4 rainy days.
- What is the air quality in Cannes in May?
- Cannes has a mean US Air Quality Index of about 51 in May.