August · France
Best time to visit Cassis in August Weather, crowds & prices
Weather in Cassis in August
Average temperature 26°C, 15 mm of rain, about 31 days with 6+ hours of sunshine and 72% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
9.9/10
Ranked #2 of 12 months
- Avg temp
- 26°C
- Rainfall
- 15 mm
- Humidity
- 72%
- Days with 6h+ sun
- 31
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
August in Cassis scores 9.9/10 for beach and coastal travel - one of the top 12-month picks (#2). Expect around 26°C, 15 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.
Cassis is a Provençal fishing port east of Marseille, gateway to the limestone calanques along the coast.
August ranks 2nd of 12 for Cassis — one of the best windows
August averages 26°C (78°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Expect 15 mm of rain — occasional showers rather than washed-out days — alongside about 31 days with 6+ hours of sunshine and 13.8 daylight hours.
A 9.9/10 puts this among the year's best months in Cassis (2nd of 12); only July scores higher, at 9.9/10.
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 Cassis in August?
- In August, Cassis averages 26°C, 15 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 9.9/10.
- Is August a good time to visit Cassis?
- August earns a 9.9/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Cassis in August?
- Expect about 15 mm of rain in August. Average humidity is 72% and there are about 31 days with 6+ hours of sunshine.
Curated in Cassis
Tickets & experiences
Things to do in Cassis
Cassis, France. Live activities and tours from GetYourGuide, matched to this destination.