Anglesey, United Kingdom: Annual Weather Averages
July is the hottest month in Anglesey with an average temperature of 15°C (59°F) and the coldest is January at 5°C (41°F) with the most daily sunshine hours at 7 in June. The wettest month is November with an average of 161mm of rain. The best month to swim in the sea is in August when the average sea temperature is 16°C (61°F).
Average Temperature: Anglesey
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 5 | 5 | 6 | 8 | 11 | 13 | 15 | 15 | 14 | 11 | 8 | 6 |
| °F | 41 | 41 | 43 | 46 | 52 | 55 | 59 | 59 | 57 | 52 | 46 | 43 |
Average High/Low Temperature: Anglesey
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °C | 7 | 7 | 8 | 11 | 13 | 15 | 17 | 17 | 16 | 13 | 10 | 8 |
| Low °C | 3 | 3 | 4 | 5 | 8 | 10 | 12 | 12 | 11 | 8 | 6 | 4 |
| High °F | 45 | 45 | 46 | 52 | 55 | 59 | 63 | 63 | 61 | 55 | 50 | 46 |
| Low °F | 37 | 37 | 39 | 41 | 46 | 50 | 54 | 54 | 52 | 46 | 43 | 39 |
Average Rainfall: Anglesey
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | 139 | 93 | 109 | 79 | 79 | 82 | 83 | 109 | 121 | 148 | 161 | 157 |
| Days | 20 | 16 | 18 | 15 | 14 | 14 | 14 | 15 | 16 | 19 | 20 | 20 |
Average Daily Sunshine Hours: Anglesey
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hours | 2 | 3 | 4 | 4 | 7 | 7 | 6 | 6 | 5 | 4 | 2 | 2 |
Average Sea Temperature: Anglesey
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 10 | 9 | 9 | 10 | 11 | 13 | 15 | 16 | 16 | 15 | 13 | 11 |
| °F | 50 | 48 | 48 | 50 | 52 | 55 | 59 | 61 | 61 | 59 | 55 | 52 |