St Lucia, Saint Lucia: Annual Weather Averages
November is the hottest month in St Lucia with an average temperature of 28.5°C (83°F) and the coldest is January at 26°C (79°F) with the most daily sunshine hours at 10 in March. The wettest month is September with an average of 193mm of rain. The best month to swim in the sea is in August when the average sea temperature is 29°C (84°F).
Average Temperature: St Lucia
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 26 | 26 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 27 |
°F | 79 | 79 | 80 | 81 | 82 | 82 | 82 | 82 | 82 | 82 | 83 | 81 |
Average High/Low Temperature: St Lucia
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
High °C | 29 | 29 | 30 | 30 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 30 |
Low °C | 23 | 23 | 23 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 24 |
High °F | 84 | 84 | 86 | 86 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 86 |
Low °F | 73 | 73 | 73 | 75 | 77 | 77 | 77 | 77 | 77 | 77 | 79 | 75 |
Average Rainfall: St Lucia
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
mm | 92 | 57 | 27 | 66 | 63 | 140 | 171 | 172 | 193 | 192 | 167 | 102 |
Days | 21 | 16 | 16 | 16 | 15 | 20 | 21 | 21 | 19 | 20 | 20 | 19 |
Average Daily Sunshine Hours: St Lucia
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hours | 8 | 9 | 10 | 9 | 9 | 9 | 8 | 8 | 9 | 8 | 8 | 8 |
Average Sea Temperature: St Lucia
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 |
°F | 81 | 81 | 81 | 81 | 82 | 82 | 82 | 84 | 84 | 84 | 82 | 82 |