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Nantes Weather in May
During May, Nantes experiences pleasant daytime temperatures of 20°C (68°F) and cooler nights around 10°C (50°F). Expect quite a bit of rainfall. Around 66 mm (2.6 in) is typical.
Rainfall in Nantes in May
Historically, the month has about 16 days of rain, averaging 66 mm (2.6 in) in total. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.
Temperature in Nantes in May
Nantes has excellent weather in May, with days reaching 20°C (68°F) and nights cooling to 10°C (50°F). Conditions are often most pleasant around the middle of the day. At 10°C (50°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Nantes in May
The area enjoys a balanced 189 hours of sunlight, ensuring it's neither too overcast nor too sunny.If you favor pleasant temperatures and minimal rainfall, May is one of the best months to visit Nantes.
Nantes Temperature in May
Min Temperature
10°C (50°F)
Max Temperature
20°C (68°F)
Chance of Rain
52%
Precipitation
66 mm (2.6 in)
Rainy days
16 days
Humidity
78%
Sunshine
189 hours
Percentage Sunshine
46%
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 rise from around 17°C (63°F) at the start of May to approximately 21°C (70°F) by the end. Nights are cool, with lows typically ranging from 8°C (46°F) to 12°C (54°F).
Average temperatures in May
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 May
Historical weather records for Nantes in May
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 May
Based on weather observations in Nantes between 1976 and 2026, these are the recorded extremes during May.
- The hottest May day on record in Nantes reached 35°C (95°F) (May 25, 2026).
- The lowest daytime temperature in May was 9°C (48°F), recorded on May 4, 1991.
- Nantes registered its coldest May night on May 5, 2019, with temperatures dropping to 1°C (34°F).
- Peak precipitation in May occurred on May 21, 2007, when 40 mm (1.6 in) of precipitation was measured.
Best Places in France in May
Find out more about the weather in France and which places have the best travel conditions in this month. See all of France in May →
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 May
For Nantes in May, 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. Sunglasses could come in handy during the sunnier parts of your trip.
What To Do in Nantes in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming6/10 -
Cycling10/10 -
Walking10/10 -
Camping8/10 -
Outdoor sports10/10
Nantes 3-Day Forecast
More climate data for Nantes
Temperature Rainfall Sunshine Humidity
See the full Nantes climate overview or explore weather in France.
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