Average annual temperature is 11.3 °C
Absolute maximum temperature: 27.6 °C
Absolute minimum temperature: -3.6 °C
Number of sunny days: 79
Number of rainy days: 285
Number of snow days: 1
Average annual precipitation: 1402 mm
Look at detailed online map of Llangefni
* Weather data for Llangefni United Kingdom is based on climate observations for 2023 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 12.3 | 13.1 | 13.5 | 16.3 | 19.5 | 27.3 | 23.8 | 24.6 | 27.6 | 18.9 | 14.1 | 13 |
| Average daytime temperature (°C) | 8.5 | 9.4 | 9.4 | 12.3 | 15.7 | 21.1 | 18 | 18.5 | 19.5 | 14.7 | 10.3 | 9.7 |
| Average temperature (°C) | 6.4 | 7.3 | 6.9 | 9 | 12.4 | 17 | 15.5 | 15.8 | 16.4 | 12 | 8.4 | 8 |
| Average night temperature (°C) | 4.2 | 4.9 | 4.4 | 5.5 | 8.6 | 12.3 | 13 | 13 | 13.4 | 9.4 | 5.9 | 5.9 |
| Absolute minimum temperature (°C) | -3.1 | 0.3 | -3.2 | -0.4 | 6.2 | 6.7 | 9.2 | 9.6 | 7.8 | 3.1 | -1.9 | -3.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 8.9 | 10.8 | 12.9 | 15 | 16.6 | 17 | 16.9 | 15.7 | 13.7 | 11.6 | 9.5 | 7.9 |
| Daylight mean duration (h) | 8.2 | 9.8 | 11.9 | 14 | 15.9 | 16.9 | 16.4 | 14.7 | 12.7 | 10.6 | 8.7 | 7.6 |
| Daylight minimum duration (h) | 7.6 | 9 | 10.8 | 13 | 15 | 16.6 | 15.7 | 13.8 | 11.7 | 9.6 | 8 | 7.5 |
| Sunshine mean duration (h) | 4.1 | 4.7 | 5.5 | 9.6 | 11.7 | 12.7 | 9.7 | 9.8 | 8.2 | 6.9 | 4.7 | 3.5 |
| Precipitation (mm) | 147 | 31 | 166 | 73 | 34 | 45 | 161 | 138 | 144 | 174 | 115 | 173 |
| Sunny days | 6 | 11 | 1 | 8 | 15 | 14 | 1 | 1 | 8 | 8 | 4 | 2 |
| Rainy days | 24 | 17 | 30 | 22 | 16 | 16 | 30 | 30 | 22 | 23 | 26 | 29 |
| Snow days | 1 |
The best time to visit Llangefni during the most sunny months:
Months with the longest average daylight duration in Llangefni:
The largest precipitation sum in Llangefni is at