France · urban-centre population 453,523
Nantes
Weather values are area-weighted across the 121 km² urban centre (2 ERA5 cells).
29.0
matching days / year for “Beach weather” · 2021-2025 recent-weather sample (not a 30-year normal)
Monthly high (p10–p90)
Whiskers span the 10th–90th percentile daily high; the tick marks the monthly average.
- January: average 9°C, p10 4°C, p90 13°C
- February: average 11°C, p10 7°C, p90 14°C
- March: average 14°C, p10 10°C, p90 18°C
- April: average 16°C, p10 12°C, p90 21°C
- May: average 20°C, p10 15°C, p90 25°C
- June: average 24°C, p10 19°C, p90 30°C
- July: average 25°C, p10 21°C, p90 31°C
- August: average 25°C, p10 21°C, p90 32°C
- September: average 22°C, p10 17°C, p90 28°C
- October: average 19°C, p10 15°C, p90 23°C
- November: average 13°C, p10 9°C, p90 17°C
- December: average 10°C, p10 4°C, p90 14°C
Matching days by month · Beach weather
- January: 0.0 matching days per year
- February: 0.0 matching days per year
- March: 0.6 matching days per year
- April: 1.6 matching days per year
- May: 2.2 matching days per year
- June: 5.0 matching days per year
- July: 6.8 matching days per year
- August: 7.4 matching days per year
- September: 3.8 matching days per year
- October: 1.6 matching days per year
- November: 0.0 matching days per year
- December: 0.0 matching days per year
Presets
- Eternal spring: 27.3 days/yr
- Mild and dry: 36.3 days/yr
- Beach weather: 29.0 days/yr
- Crisp and clear: 13.9 days/yr
- Warm, not sweaty: 57.0 days/yr