Saint Malo Weather in August
Saint Malo in August averages 22°C (72°F) during the day and 16°C (61°F) at night. This is part of the summer season, and quite a bit of rainfall is expected this month.
Rainfall in Saint Malo in August
This month experiences about 12 days of rain according to historical data, averaging 63 mm (2.5 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Saint Malo in August
The temperature in Saint Malo in August is perfect. Daytime highs reach 22°C (72°F), with nights dropping to 16°C (61°F). The month of August belongs to the summer season. Conditions are often most pleasant around the middle of the day. Nights cool down to 16°C (61°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions. On average, it has the peak temperatures of the year.
Sunshine in Saint Malo in August
The city usually sees around 199 hours of sunlight, indicating many sunny days — a great month for sightseeing.If your ideal day consists of dry skies and pleasant temperatures, July, August and September typically offer the best circumstances for Saint Malo.
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 Saint Malo's climate page.
Saint Malo Temperature in August
Min Temperature
16°C (61°F)
Max Temperature
22°C (72°F)
Chance of Rain
38%
Precipitation
63 mm (2.5 in)
Rainy days
12 days
Humidity
81%
Sunshine
199 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Saint Malo typically stay consistent throughout August, with daily highs averaging around 22°C (72°F). Nights are cool, with lows around 13°C (55°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 Saint Malo in August
Browse day-by-day weather records for Saint Malo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Saint Malo historical weather extremes in August
Based on 49 years of weather observations in Saint Malo between 1976 and 2025, these are the recorded extremes.
- The hottest August day on record in Saint Malo reached 35°C (95°F) (August 3, 1990).
- Saint Malo experienced its chilliest August day on August 27, 1986, reaching only 15°C (59°F).
- Nighttime temperatures dropped to 6°C (43°F) on August 24, 1980, 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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tolerable
unpleasant
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What to Wear in Saint Malo in August
For Saint Malo in August, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Saint Malo 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 Saint Malo's climate page.
Temperature Rainfall Sunshine Humidity
See the full Saint Malo climate overview or explore weather in France.
