Saint Malo
Weather by month
Current –

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 excellent. 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.

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

Saint Malo Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Saint Malo - and find the best time to visit.

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 records 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 50 years of weather observations in Saint Malo between 1976 and 2026, these are the recorded extremes.

  • The hottest August day on record in Saint Malo reached 36°C (97°F) (August 12, 2026).
  • 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
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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.

  • Swimming
    6/10
  • Cycling
    10/10
  • Walking
    10/10
  • Camping
    8/10
  • Outdoor sports
    10/10

Saint Malo 3-Day Forecast

More climate data for Saint Malo

Popular in August

Where to go in August - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.