Average annual temperature is 10.3 °C
Absolute maximum temperature: 27.4 °C
Absolute minimum temperature: -6.7 °C
Number of sunny days: 86 days
Number of rainy days: 274 days
Number of snow days: 5 days
Look at detailed online map of Llangollen
* Weather data for Llangollen United Kingdom is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 12.0 | 12.6 | 13.7 | 17.1 | 20.6 | 25.4 | 23.8 | 24.4 | 27.4 | 22.0 | 13.4 | 12.5 |
| Average daytime temperature (°C) | 7.3 | 8.6 | 8.4 | 11.2 | 16.1 | 20.7 | 17.9 | 18.0 | 19.1 | 14.0 | 8.8 | 8.3 |
| Average temperature (°C) | 5.1 | 6.1 | 5.9 | 7.8 | 12.0 | 16.2 | 14.8 | 15.0 | 15.8 | 11.3 | 6.8 | 6.4 |
| Average night temperature (°C) | 2.9 | 3.6 | 3.4 | 4.3 | 7.8 | 11.6 | 11.9 | 12.0 | 12.2 | 8.8 | 4.4 | 4.3 |
| Absolute minimum temperature (°C) | -2.3 | -1.5 | -6.7 | 0.0 | 4.6 | 6.5 | 8.4 | 8.9 | 6.7 | 3.4 | -2.8 | -3.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 8.0 | 10.0 | 12.0 | 14.0 | 16.0 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 7.0 |
| Daylight mean duration (h) | 8.2 | 9.9 | 11.9 | 14.0 | 15.8 | 16.8 | 16.3 | 14.7 | 12.7 | 10.6 | 8.7 | 7.7 |
| Daylight minimum duration (h) | 7.0 | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 7.0 | 7.0 |
| Sunshine mean duration (h) | 3.7 | 4.5 | 4.3 | 6.8 | 10.8 | 11.9 | 9.8 | 9.1 | 6.8 | 4.2 | 3.5 | 1.4 |
| Precipitation (mm) | 91 | 10 | 154 | 91 | 42 | 61 | 148 | 116 | 104 | 197 | 102 | 165 |
| Sunny days | 10 | 13 | 1 | 7 | 17 | 12 | 1 | 1 | 5 | 7 | 9 | 3 |
| Rainy days | 20 | 15 | 27 | 23 | 14 | 18 | 30 | 30 | 25 | 24 | 21 | 27 |
| Snow days | 1 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Llangollen during the most sunny months:
Months with the longest average daylight duration in Llangollen:
The largest precipitation sum in Llangollen is at