Cannes weather in August 2025

Expect 81°F daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Cannes in August. Check more long-term weather averages for Cannes in August before you book your next holiday to France in 2025/2026.

81
81°F max day temperature
10
10 hours of sunshine per day
5
5 days with some rainfall
66
66°F min night temperature
14
14 hours of daylight per day
L
Low heat & humidity
1.6
1.6 inches of monthly rainfall
7
7 (High) UV index
75
75°F sea temperature

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Destination

The August weather guide for France (Cannes) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)

More about France

How hot is it in Cannes in August?

Daytime temperatures usually reach 81°F in Cannes in August with low heat and humidity, falling to 66°F at night.

How sunny is it in Cannes in August?

There are normally 10 hours of bright sunshine each day in Cannes in August - that's 70% of daylight hours.

How warm is the sea around Cannes in August?

The average sea temperature around Cannes in August is 75°F.

Does it rain in Cannes in August?

There are usually 5 days with some rain in Cannes in August and the average monthly rainfall is 1.6 inches.

Cannes August sunrise & sunset times

Browse the sunrise and sunset times for Cannes in August 2025. Select a month to view Cannes sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Friday, 1st August 2025	05:21	19:54
Saturday, 16th August 2025	05:38	19:34
Sunday, 31st August 2025	05:55	19:09

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France - quick facts
Flight time^✝	1.5 to 2.5 hours
Time difference	UK +1 hour
Language(s)	French
Currency	Euro
Electricity	C + E plug (230V)
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Why visit?	Beaches Culture Nature Nightlife
Tourist info	Atout France