Average annual temperature is 13.1 °C
Absolute maximum temperature: 32.0 °C
Absolute minimum temperature: -1.9 °C
Number of sunny days: 113 days
Number of rainy days: 252 days
Look at detailed online map of Yffiniac
* Weather data for Yffiniac 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) | 14.4 | 15.4 | 17.5 | 17.7 | 20.8 | 28.8 | 28.3 | 27.8 | 32.0 | 28.7 | 16.9 | 15.9 |
| Average daytime temperature (°C) | 9.6 | 10.6 | 12.5 | 14.1 | 16.7 | 22.3 | 22.4 | 22.2 | 23.6 | 19.3 | 13.0 | 11.8 |
| Average temperature (°C) | 7.5 | 7.2 | 9.7 | 10.5 | 13.6 | 18.1 | 18.2 | 18.2 | 19.0 | 15.1 | 10.5 | 9.6 |
| Average night temperature (°C) | 5.4 | 4.1 | 7.2 | 7.1 | 10.3 | 13.9 | 14.2 | 14.7 | 15.0 | 11.6 | 8.1 | 7.3 |
| Absolute minimum temperature (°C) | -1.8 | -1.9 | 0.4 | 1.1 | 5.7 | 10.7 | 10.0 | 11.9 | 9.9 | 7.1 | 1.9 | 0.8 |
| 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 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.8 | 10.2 | 11.9 | 13.7 | 15.2 | 16.0 | 15.7 | 14.3 | 12.6 | 10.8 | 9.2 | 8.4 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 3.4 | 5.6 | 6.3 | 8.3 | 11.5 | 12.3 | 10.1 | 9.6 | 9.0 | 6.4 | 4.4 | 3.5 |
| Precipitation (mm) | 62 | 15 | 133 | 84 | 42 | 36 | 101 | 72 | 70 | 67 | 138 | 73 |
| Sunny days | 6 | 17 | 4 | 9 | 16 | 15 | 3 | 7 | 9 | 12 | 4 | 11 |
| Rainy days | 25 | 11 | 27 | 21 | 15 | 15 | 28 | 24 | 21 | 19 | 26 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Yffiniac during the most sunny months:
Months with the longest average daylight duration in Yffiniac:
The largest precipitation sum in Yffiniac is at