Cannes sea temperature today: 26°C – beach water temperature, Cannes, France
France · Mediterranean
Cannes
Sea
25.6°C78.1°F
Air
UV
Beach day
⁦23–28°C⁩

Last updated ·

Today, September 13, the sea temperature at Cannes is 25.6 °C (78 °F). That is 1.9 °C warmer than the usual 23.7 °C in September. Comfortable for swimming from June to November.

Beachfront hotels in this photo: Carlton Cannes.

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Climate · monthly averages

Sea temperature by month

5-year averages (2021–2025). Min/Max are typical daily lows and highs, not record extremes.

Warmest in August (26.0°C). Coldest in February (13.8°C). Comfortable for swimming from June to November.

5-year averages (2021–2025). Min/Max are typical daily lows and highs, not record extremes.
MonthSea · MinSea · AvgSea · MaxAir · MinAir · AvgAir · Max
January14.2°C14.5°C14.9°C9.1°C10.3°C12.2°C
February13.7°C13.8°C14.0°C9.6°C10.9°C12.8°C
March13.7°C13.9°C14.2°C10.3°C12.0°C14.0°C
April14.4°C15.0°C15.7°C12.0°C13.9°C15.6°C
May16.4°C17.9°C19.0°C15.5°C17.6°C19.4°C
June21.2°C22.6°C23.7°C20.6°C22.6°C24.2°C
July24.0°C25.5°C26.7°C23.2°C25.3°C26.9°C
August24.5°C26.0°C27.7°C23.4°C25.5°C27.3°C
September23.4°C23.7°C24.3°C20.3°C22.0°C23.9°C
October20.4°C20.9°C21.5°C17.3°C18.7°C20.4°C
November17.7°C18.2°C19.1°C12.9°C14.1°C15.9°C
December15.5°C15.9°C16.4°C10.2°C11.4°C13.2°C

About Cannes

The French Riviera town of Cannes has hosted the Festival de Cannes since 1946, when the Palais des Festivals first rolled out its 24-step Tapis Rouge each May. Along the palm-lined Boulevard de la Croisette, the central Plage de la Croisette mixes private beach clubs with public sand, while Plage du Midi south of the Old Port keeps a quieter, local rhythm. Sea temperatures reach 23–25 °C73–77 °F from July through September, with Nice Côte d'Azur airport thirty minutes away on the A8.

Frequently asked questions

Today, September 13, the sea at Cannes is 25.6 °C (78 °F)78 °F (25.6 °C) – ideal for swimming for most people. The usual September average is 23.7 °C75 °F.

No single number works for everyone, so the scale on this page is only a guide to how the water feels: below 13 °C55 °F icy, 13–18 °C55–64 °F cold, 18–23 °C64–73 °F refreshing, 23–28 °C73–82 °F pleasantly warm and above 28 °C82 °F like a bath. Right now the sea at Cannes is 25.6 °C78 °F.

In May the sea at Cannes (France) averages 17.9 °C64 °F – cold, most people reach for a wetsuit. It keeps warming until August, when it peaks at 26 °C79 °F.

In October the sea at Cannes (France) still averages 20.9 °C70 °F – refreshing, good for a short swim. It peaks in August at 26 °C79 °F and cools slowly from there.