Average annual temperature is 12.8 °C
Absolute maximum temperature: 30.9 °C
Absolute minimum temperature: -4.1 °C
Number of sunny days: 97 days
Number of rainy days: 268 days
Look at detailed online map of Tréguier
* Weather data for Tréguier 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) | 14.3 | 16.9 | 17.8 | 18.5 | 18.7 | 27.6 | 28.6 | 26.8 | 30.9 | 27.2 | 16.5 | 15.4 |
| Average daytime temperature (°C) | 9.7 | 10.6 | 12.4 | 13.7 | 16.4 | 21.5 | 21.3 | 21.2 | 22.6 | 18.7 | 12.6 | 11.8 |
| Average temperature (°C) | 7.4 | 7.4 | 9.7 | 10.3 | 13.3 | 17.4 | 17.6 | 17.6 | 18.2 | 14.5 | 10.3 | 9.7 |
| Average night temperature (°C) | 5.1 | 4.5 | 7.2 | 7.0 | 9.9 | 13.4 | 13.9 | 14.2 | 14.3 | 11.0 | 8.1 | 7.5 |
| Absolute minimum temperature (°C) | -4.1 | -2.1 | 1.7 | 1.7 | 6.3 | 10.8 | 9.8 | 11.6 | 9.8 | 7.8 | 1.6 | 1.0 |
| 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 | 15.3 | 16.1 | 15.7 | 14.3 | 12.6 | 10.8 | 9.2 | 8.3 |
| 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) | 3.5 | 5.8 | 5.7 | 8.8 | 11.8 | 12.2 | 10.3 | 9.6 | 9.2 | 6.6 | 4.3 | 3.5 |
| Precipitation (mm) | 106 | 22 | 111 | 75 | 49 | 68 | 94 | 93 | 79 | 86 | 136 | 75 |
| Sunny days | 7 | 13 | 3 | 11 | 16 | 15 | 4 | 3 | 8 | 11 | 1 | 5 |
| Rainy days | 24 | 15 | 28 | 19 | 15 | 15 | 27 | 28 | 22 | 20 | 29 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Tréguier during the most sunny months:
Months with the longest average daylight duration in Tréguier:
The largest precipitation sum in Tréguier is at