Average annual temperature is 14.0 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: -9.4 °C
Number of sunny days: 186 days
Number of rainy days: 178 days
Number of snow days: 1 day
Look at detailed online map of Anglesey
* Weather data for Anglesey United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 17.2 | 20.5 | 18.5 | 29.8 | 29.3 | 34.5 | 34.7 | 33.3 | 35.5 | 27.9 | 20.4 | 15.9 |
| Average daytime temperature (°C) | 9.5 | 10.4 | 11.9 | 20.2 | 22.7 | 27.0 | 31.0 | 29.5 | 25.8 | 20.9 | 12.6 | 9.9 |
| Average temperature (°C) | 5.5 | 5.3 | 6.4 | 14.1 | 16.5 | 21.0 | 25.4 | 24.1 | 20.8 | 15.3 | 7.5 | 5.7 |
| Average night temperature (°C) | 2.4 | 1.2 | 1.7 | 9.3 | 10.6 | 15.9 | 20.8 | 19.6 | 16.7 | 11.0 | 3.2 | 2.3 |
| Absolute minimum temperature (°C) | -3.2 | -9.4 | -4.3 | 1.5 | 4.6 | 11.3 | 17.7 | 15.7 | 11.8 | 5.5 | -4.5 | -2.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 14.9 | 14.7 | 13.7 | 12.5 | 11.2 | 10.0 | 9.4 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.9 | 6.8 | 7.6 | 9.4 | 11.6 | 10.9 | 11.7 | 10.4 | 8.3 | 8.6 | 7.8 | 4.8 |
| Precipitation (mm) | 133 | 53 | 82 | 154 | 52 | 100 | 138 | 97 | 143 | 33 | 67 | 184 |
| Sunny days | 12 | 17 | 14 | 16 | 21 | 10 | 7 | 12 | 16 | 20 | 22 | 19 |
| Rainy days | 19 | 10 | 17 | 14 | 10 | 20 | 24 | 19 | 14 | 11 | 8 | 12 |
| Snow days | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Anglesey during the most sunny months:
The largest precipitation sum in Anglesey is at