St Ives: Annual Weather Averages
July is the hottest month in St Ives with an average temperature of 59°F (15°C) and the coldest is January at 43°F (6°C) with the most daily sunshine hours at 7 in August. The wettest month is December with an average of 132mm of rain. The best month to swim in the sea is in August when the average sea temperature is 63°F (17°C).
Average Temperature: St Ives
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 6 | 6 | 7 | 9 | 11 | 13 | 15 | 15 | 14 | 11 | 9 | 6 |
| °F | 43 | 43 | 45 | 48 | 52 | 55 | 59 | 59 | 57 | 52 | 48 | 43 |
Average High/Low Temperature: St Ives
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °C | 8 | 8 | 9 | 11 | 13 | 16 | 17 | 18 | 16 | 13 | 11 | 8 |
| High °F | 46 | 46 | 48 | 52 | 55 | 61 | 63 | 64 | 61 | 55 | 52 | 46 |
| Low °C | 4 | 3 | 4 | 6 | 8 | 10 | 12 | 12 | 11 | 9 | 6 | 4 |
| Low °F | 39 | 37 | 39 | 43 | 46 | 50 | 54 | 54 | 52 | 48 | 43 | 39 |
Average Rainfall: St Ives
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | 129 | 106 | 88 | 55 | 66 | 61 | 66 | 75 | 86 | 100 | 119 | 132 |
Average Daily Sunshine Hours: St Ives
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hours | 2 | 3 | 4 | 6 | 7 | 7 | 7 | 7 | 5 | 4 | 3 | 2 |
Average Sea Temperature: St Ives
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 11 | 10 | 10 | 10 | 12 | 14 | 16 | 17 | 17 | 15 | 13 | 11 |
| °F | 52 | 50 | 50 | 50 | 54 | 57 | 61 | 63 | 63 | 59 | 55 | 52 |