August · France
Best time to visit Cannes in August Weather, crowds & prices
Weather in Cannes in August
Average temperature 25°C, 20 mm of rain, about 28 days with 6+ hours of sunshine and 64% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
10.0/10
Ranked #2 of 12 months
- Avg temp
- 25°C
- Rainfall
- 20 mm
- Humidity
- 64%
- Days with 6h+ sun
- 28
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
August in Cannes scores 10.0/10 for beach and coastal travel - one of the top 12-month picks (#2). Expect around 25°C, 20 mm of rain, and roughly 28 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.
August is one of the strongest months in Cannes (2nd)
August averages 25°C (77°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Expect 20 mm of rain — occasional showers rather than washed-out days — alongside about 28 days with 6+ hours of sunshine and 14 daylight hours.
A 10/10 puts this among the year's best months in Cannes (2nd of 12); only July scores higher, at 10/10.
Pack light clothing, swimwear and real sun protection.
Plan for peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Cannes in August?
- In August, Cannes averages 25°C, 20 mm of rain, and about 28 days with 6+ hours of sunshine. Its climate-comfort score is 10.0/10.
- Is August a good time to visit Cannes?
- August earns a 10.0/10 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 August?
- Expect about 20 mm of rain in August. Average humidity is 64% and there are about 28 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.