Tortola: Annual Weather Averages
August is the hottest month in Tortola with an average temperature of 82°F (28°C) and the coldest is January at 77°F (25°C) with the most daily sunshine hours at 9 in August. The wettest month is October with an average of 161mm of rain. The best month to swim in the sea is in September when the average sea temperature is 84°F (29°C).
Average Temperature: Tortola
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 25 | 25 | 25 | 26 | 26 | 27 | 27 | 28 | 28 | 27 | 26 | 25 |
| °F | 76 | 76 | 76 | 78 | 79 | 81 | 81 | 82 | 82 | 81 | 79 | 77 |
Average High/Low Temperature: Tortola
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °C | 28 | 28 | 28 | 29 | 29 | 30 | 30 | 31 | 31 | 30 | 29 | 28 |
| High °F | 82 | 82 | 82 | 84 | 84 | 86 | 86 | 88 | 88 | 86 | 84 | 82 |
| Low °C | 21 | 21 | 21 | 22 | 23 | 24 | 24 | 24 | 24 | 24 | 23 | 22 |
| Low °F | 70 | 70 | 70 | 72 | 73 | 75 | 75 | 75 | 75 | 75 | 73 | 72 |
Average Rainfall: Tortola
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | 68 | 54 | 56 | 88 | 129 | 73 | 85 | 124 | 143 | 161 | 161 | 119 |
| Days | 13 | 10 | 10 | 10 | 13 | 13 | 15 | 15 | 15 | 16 | 15 | 14 |
Average Daily Sunshine Hours: Tortola
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hours | 8 | 8 | 9 | 9 | 8 | 8 | 9 | 9 | 8 | 8 | 7 | 7 |
Average Sea Temperature: Tortola
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 26 | 26 | 26 | 26 | 27 | 28 | 28 | 28 | 29 | 29 | 28 | 27 |