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Nantes Weather in August
August in Nantes brings high temperatures, with highs of 26°C (79°F) and nights dropping to 15°C (59°F). With excellent weather conditions overall, it's a good time to visit.
Rainfall in Nantes in August
Based on our climate data of the past 30 years, about 11 days of rain are anticipated, with 51 mm (2 in) on average. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Nantes in August
August is a excellent month in Nantes, with 26°C (79°F) during the day and 15°C (59°F) at night. During August, the summer season is in full swing. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 15°C (59°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep. On average, it is the warmest month of the year.
Sunshine in Nantes in August
Expect sunny days throughout the month, with an estimated 228 hours of sunshine. This makes it a pleasant time to visit Nantes.If you're a fan of comfortable temperatures and drier conditions, August is a great time to visit.
Nantes Temperature in August
Min Temperature
15°C (59°F)
Max Temperature
26°C (79°F)
Chance of Rain
37%
Precipitation
51 mm (2 in)
Rainy days
11 days
Humidity
76%
Sunshine
228 hours
Percentage Sunshine
55%
Nantes Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Nantes - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Nantes typically stay consistent throughout August, with daily highs averaging around 26°C (79°F). Nights are cool, with lows typically ranging from 13°C (55°F) to 15°C (59°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 Nantes in August
Browse day-by-day weather records for Nantes spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Nantes historical weather extremes in August
According to our 50 years of weather records for Nantes, the following extremes were recorded between 1976 and 2026.
- Nantes recorded its highest August temperature of 40°C (104°F) on August 13, 2026.
- The lowest daytime temperature in August was 15°C (59°F), recorded on August 1, 1978.
- Nantes registered its coldest August night on August 28, 1986, with temperatures dropping to 6°C (43°F).
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 Nantes 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. Rain gear is recommended, you can expect wet weather on multiple days. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Nantes in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming10/10 -
Cycling8/10 -
Walking8/10 -
Barbeque10/10 -
Camping8/10 -
Outdoor sports8/10
Nantes 3-Day Forecast
More climate data for Nantes
Temperature Rainfall Sunshine Humidity
See the full Nantes climate overview or explore weather in France.
Popular in August
Where to go in August - average daytime high across popular destinations.
Marseille
32°C (90°F) Toulouse
29°C (84°F) Bordeaux29°C (84°F) Lyon28°C (82°F) Cannes27°C (81°F) Nice27°C (81°F) Paris26°C (79°F) Chamonix-Mont-Blanc
18°C (64°F) Bucket list
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