Monthly climate guide
Nantes weather in May
With highs near 19°C (66°F) and lows around 9°C (48°F), May feels mild in Nantes. Rainfall averages about 66 mm (some rain) and the sky is often cloudy. Daytime highs are 3°C warmer than April and 3°C cooler than June.
What stands out in May
- Just 160 km apart, but Nantes runs about 2°C warmer than Saint-Malo this month.
- Seasonally, May counts as late spring in Nantes.
Avg high
19°C
66°F
Avg low
9°C
48°F
Rainfall
66 mm
some rain
Humidity
78%
relative
Sky
63%
cloud · often cloudy
Nantes weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 9°C / 48°F | 3°C / 37°F | 83 mm | 92% | 74% |
| February | 10°C / 50°F | 2°C / 35°F | 73 mm | 88% | 67% |
| March | 13°C / 56°F | 4°C / 39°F | 61 mm | 84% | 63% |
| April | 16°C / 61°F | 6°C / 42°F | 54 mm | 79% | 60% |
| May | 19°C / 66°F | 9°C / 48°F | 66 mm | 78% | 63% |
| June | 22°C / 72°F | 12°C / 54°F | 61 mm | 78% | 65% |
| July | 25°C / 77°F | 14°C / 57°F | 44 mm | 74% | 55% |
| August | 25°C / 76°F | 14°C / 57°F | 51 mm | 75% | 58% |
| September | 22°C / 72°F | 12°C / 53°F | 47 mm | 76% | 54% |
| October | 18°C / 64°F | 9°C / 48°F | 75 mm | 85% | 66% |
| November | 13°C / 56°F | 6°C / 43°F | 85 mm | 90% | 70% |
| December | 10°C / 51°F | 4°C / 39°F | 99 mm | 92% | 72% |
What to pack for May
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- A small travel umbrella, just in case
Is May a good time to visit Nantes?
Compare the months in the chart above to find your ideal window.
Best time to visit Nantes →Other France cities in May
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Nantes weather in May. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/france/nantes/may
<a href="https://weathercompare.eu/weather/france/nantes/may">Nantes weather in May</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/france/nantes" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Nantes weather in May"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/france/nantes/may">Nantes weather in May</a> – WeatherCompare</p>
Nantes in May: quick answers
Is May a good time to visit Nantes?
May is a reasonable time for Nantes: highs around 19°C and about 66 mm of rain, though not one of the three best months.
How warm is Nantes in May?
Average highs are about 19°C (66°F) and average lows about 9°C (48°F), based on 10 years of daily data.
Does it rain a lot in Nantes in May?
Nantes typically gets around 66 mm of rain in May — some rain.
Figures are long-term averages for the area around Nantes (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.