Climate guide for Cannes, France

Cannes in May

Weather, crowds & best time to visit

How to read the score (0–10)
05810
UnfavorableGoodOptimal

May · France

Best time to visit Cannes in May Weather, crowds & prices

Weather in Cannes in May

Average temperature 18°C, 45 mm of rain, about 24 days with 6+ hours of sunshine and 68% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

May score

7.5/10

Ranked #5 of 12 months

Full year for Cannes
Avg temp
18°C
Rainfall
45 mm
Humidity
68%
Days with 6h+ sun
24
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

May in Cannes scores 7.5/10 for beach and coastal travel - an above-average month (#5 of 12). Expect around 18°C, 45 mm of rain, and roughly 24 days with 6+ hours of sunshine this month.

Cannes hosts the film festival on the Côte d'Azur, with the La Croisette seafront and the Îles de Lérins offshore.

May in Cannes — reliably good (5th best month)

May averages 18°C (64°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Rainfall runs 45 mm, so plan one flexible day in three; you still get about 24 days with 6+ hours of sunshine and 14.8 hours of daylight.

It scores 7.5/10 here, 5th of 12 months, against 10/10 in the destination's best month.

Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.

Figure on mid-season pricing, with crowds are moderate.

Flexible dates? July scores 2.5 points higher here — enough to change the trip.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Cannes in May?
In May, Cannes averages 18°C, 45 mm of rain, and about 24 days with 6+ hours of sunshine. Its climate-comfort score is 7.5/10.
Is May a good time to visit Cannes?
May earns a 7.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Cannes in May?
Expect about 45 mm of rain in May. Average humidity is 68% and there are about 24 days with 6+ hours of sunshine.

Curated in Cannes

Tickets & experiences

Things to do in Cannes

Cannes, France. Live activities and tours from GetYourGuide, matched to this destination.