Average annual temperature is 12.2 °C
Absolute maximum temperature: 37.3 °C
Absolute minimum temperature: -5.9 °C
Number of sunny days: 201 days
Number of rainy days: 164 days
Look at detailed online map of Nantes
* Weather data for Nantes Portugal is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 11.3 | 15.7 | 20.2 | 25.5 | 26.4 | 31.4 | 30.6 | 37.3 | 27.6 | 27.9 | 16.6 | 14.3 |
| Average daytime temperature (°C) | 7.8 | 10.4 | 13.1 | 19.1 | 20.8 | 23.7 | 26.9 | 28.7 | 21.9 | 19.1 | 12.8 | 7.5 |
| Average temperature (°C) | 3.7 | 4.5 | 8.2 | 12.2 | 14.3 | 17.8 | 19.6 | 21.0 | 16.3 | 14.8 | 9.1 | 3.8 |
| Average night temperature (°C) | 0.2 | -0.6 | 3.6 | 5.7 | 8.2 | 12.6 | 12.5 | 13.8 | 11.5 | 10.7 | 5.9 | 0.6 |
| Absolute minimum temperature (°C) | -5.1 | -5.9 | -5.2 | 0.2 | 3.0 | 8.6 | 7.9 | 9.0 | 5.2 | 4.3 | -0.1 | -4.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.3 | 14.5 | 15.2 | 14.9 | 13.8 | 12.5 | 11.1 | 9.9 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.7 | 8.9 | 8.0 | 10.3 | 11.9 | 12.4 | 13.2 | 12.4 | 9.6 | 6.5 | 4.8 | 4.8 |
| Precipitation (mm) | 138 | 12 | 45 | 28 | 74 | 106 | 5 | 0 | 94 | 206 | 135 | 101 |
| Sunny days | 16 | 21 | 11 | 19 | 14 | 13 | 25 | 31 | 13 | 12 | 10 | 16 |
| Rainy days | 15 | 7 | 20 | 11 | 17 | 17 | 6 | 0 | 17 | 19 | 20 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Nantes during the most sunny months:
The largest precipitation sum in Nantes is at