Cannes Weather in August
August in Cannes averages 27°C (81°F) during the day and 21°C (70°F) at night. The excellent conditions and low rainfall make it a solid month to visit.
Rainfall in Cannes in August
You can typically expect 5 days of rain this month, averaging around 26 mm (1 in). Rain is scarce this month and when it does fall, it tends to be light. Unlikely to disrupt plans significantly.
Temperature in Cannes in August
August tends to be one of the excellent months in Cannes, with 27°C (81°F) in the afternoon and 21°C (70°F) overnight. Experience the summer season in August. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 21°C (70°F), evenings stay pleasantly warm. On average, it is the warmest month of the year.
Sunshine in Cannes in August
Expect a lot of sunshine this month, with about 297 hours of sun. These sunny conditions add to the overall experience.
Wind Speed in Cannes in August
Average wind speeds reach 3 m/s (6 knots) in August, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.
Average water temperature in August
At 24°C (75°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.If you're a fan of comfortable temperatures and drier conditions, August is a great time to visit.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit France, check out our Cannes's climate page.
Cannes Temperature in August
Min Temperature
21°C (70°F)
Max Temperature
27°C (81°F)
Water Temperature
24°C (75°F) *
Chance of Rain
18%
Precipitation
26 mm (1 in)
Rainy days
5 days
Humidity
76% *
Windspeed
3 m/s (6 knots) *
Sunshine
297 hours *
Percentage Sunshine
73% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Cannes typically stay consistent throughout August, with daily highs averaging around 27°C (81°F). Nights are pleasant, with lows typically ranging from 18°C (64°F) to 20°C (68°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Cannes in August
Browse day-by-day weather records for Cannes spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cannes historical weather extremes in August
According to our 49 years of weather records for Cannes, the following extremes were recorded between 1976 and 2025.
- On August 6, 2017, temperatures climbed to 37°C (99°F), marking the warmest August day on record.
- The coldest August day was on August 27, 1980, with a maximum of 21°C (70°F).
- Nighttime temperatures dropped to 12°C (54°F) on August 31, 1986, marking the coldest August night on record.
Best Places in France in August
Find out more about the weather in France and which places have the best travel conditions in this month. See all of France in August →
perfect weather
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unpleasant
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What to Wear in Cannes in August
Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Pack a light rain jacket or compact umbrella for occasional showers. Expect water temperatures of around 24°C (75°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Cannes in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit France, check out our Cannes's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Cannes climate overview or explore weather in France.
