Castries, Saint Lucia 14-Day Forecast
Saint Lucia 🇱🇨
The 14-day forecast for Castries is temporarily unavailable - please check back shortly. Meanwhile, the monthly averages below give a reliable picture of what to expect.
Castries 14-day outlook: the story
Aim for January to April and July if you get the choice: humidity and rainfall are at their lowest, which is what actually varies here, and highs average 83°F (28°C) against roughly 17 wet days a month. For the same question asked the other way round, see where else is warm in January.
For typical conditions month by month, see the Castries climate & average temperatures guide.
Average temperatures in Castries by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 81° | 73° | 18 | 2.2 in | 10.8 h/day | 11.4 h | 57% | 76% |
| February | 81° | 73° | 13 | 1.8 in | 11.1 h/day | 11.7 h | 45% | 74% |
| March | 82° | 73° | 15 | 1.9 in | 11.6 h/day | 12.0 h | 49% | 74% |
| April | 84° | 74° | 12 | 1.5 in | 11.8 h/day | 12.4 h | 41% | 73% |
| May | 85° | 76° | 13 | 1.9 in | 11.7 h/day | 12.8 h | 41% | 74% |
| June | 85° | 76° | 19 | 3.3 in | 11.3 h/day | 12.9 h | 63% | 77% |
| July | 84° | 76° | 24 | 4.6 in | 11.5 h/day | 12.9 h | 78% | 80% |
| August | 85° | 76° | 23 | 4.2 in | 11.3 h/day | 12.6 h | 73% | 80% |
| September | 86° | 77° | 22 | 4.5 in | 11.2 h/day | 12.2 h | 72% | 80% |
| October | 85° | 76° | 21 | 3.9 in | 10.8 h/day | 11.8 h | 67% | 80% |
| November | 83° | 75° | 21 | 4.4 in | 10.5 h/day | 11.5 h | 69% | 80% |
| December | 82° | 74° | 17 | 2.2 in | 10.7 h/day | 11.3 h | 55% | 77% |
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