Average annual temperature is 13.0 °C
Absolute maximum temperature: 32.4 °C
Absolute minimum temperature: -4.3 °C
Number of sunny days: 129 days
Number of rainy days: 236 days
Look at detailed online map of Rennes
* Weather data for Rennes France is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 13.9 | 15.3 | 18.8 | 19.4 | 25.7 | 30.4 | 29.7 | 30.6 | 32.4 | 28.1 | 16.3 | 14.9 |
| Average daytime temperature (°C) | 9.1 | 10.4 | 12.7 | 15.0 | 19.4 | 25.5 | 23.0 | 23.2 | 24.6 | 18.9 | 12.6 | 10.8 |
| Average temperature (°C) | 6.5 | 5.9 | 9.1 | 10.6 | 14.5 | 19.9 | 18.3 | 18.8 | 19.5 | 14.5 | 9.8 | 8.3 |
| Average night temperature (°C) | 3.9 | 2.3 | 5.8 | 6.3 | 9.5 | 14.2 | 14.0 | 14.6 | 15.0 | 10.4 | 6.6 | 5.7 |
| Absolute minimum temperature (°C) | -3.6 | -3.6 | -2.5 | 0.0 | 4.8 | 9.8 | 10.6 | 11.2 | 7.8 | 5.9 | -1.5 | -4.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 15.0 | 16.0 | 15.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.9 | 10.2 | 11.9 | 13.7 | 15.2 | 16.0 | 15.6 | 14.3 | 12.6 | 10.8 | 9.3 | 8.4 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 4.2 | 5.8 | 6.7 | 8.9 | 11.6 | 12.4 | 10.8 | 10.0 | 9.4 | 6.7 | 5.1 | 3.8 |
| Precipitation (mm) | 72 | 15 | 120 | 60 | 54 | 44 | 105 | 81 | 57 | 99 | 119 | 72 |
| Sunny days | 9 | 16 | 9 | 10 | 14 | 16 | 4 | 10 | 14 | 12 | 5 | 10 |
| Rainy days | 22 | 12 | 22 | 20 | 17 | 14 | 27 | 21 | 16 | 19 | 25 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Rennes during the most sunny months:
Months with the longest average daylight duration in Rennes:
The largest precipitation sum in Rennes is at