Weather in Cannes in May

May in Cannes is mild enough that walking is the default. This is a city-break month more than a sea-holiday month.

In France, this is how Cannes actually wears May, not how a country centroid would. Compared with August and January, May sits in the middle of Cannes's year.

Cannes
Average temp
18°C

15–21°C

Rainfall
42 mm

Not much rain

Sunshine
8.7 h

hours per day

What to expect

Daytime

Mild afternoons in Cannes are the prize in May. You can eat outside on the good days. You still want something for the breeze.

This is walking weather. Shade is useful, not essential the way it is in the hot months. A long outdoor day is a reasonable plan.

Rain

Mixed skies in Cannes in May. Dry days and wet days share the month. Outdoor plans need a backup, not a cancellation policy.

Pack a shell you will actually carry. The monthly table is the place for totals. This is the feel: usable, interrupted.

Evening

Evenings are cooler. A layer helps after sunset.

What to pack

  • Sun protection

  • A layer for cooler evenings

Where to stay in Cannes

Dates are a starting point for May.

All hotels in Cannes

Travel guides for Cannes

What to read before you book.

All travel guides in Cannes

Average weather in Cannes

TemperatureRainfall

Source: MeteostatPeriod: 1991-2020Checked: 28 Aug 2026265 places covered

Similar weather in May

Other destinations whose May averages sit close to this one.

Check another month

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FAQs about Cannes

Climate averages for Cannes, 1991–2020.

The best time to visit Cannes is between May and October, the most comfortable stretch of the year on these averages.

August is the hottest month, with an average around 25°C.

November is the wettest month, with about 138 mm of rain.

No. These are 1991–2020 climate normals from Meteostat, not a live forecast. Actual weather in any given week can differ.