Castries Weather & Climate

Saint Lucia

Castries sees feels-like daytime highs peak around 37°C in June and nighttime lows bottom out near 28.7°C in February. October is the wettest month (~181 mm), while February is the driest (~42 mm). For sunshine, January leads with about 59% clear skies.

Best time to visit Castries

Based on mild feels-like temperatures and low rain chances, the most comfortable months are February, January, and March — expect around 28.733.3°C with roughly 20% chance of rain on a given day in February.

Castries climate by month

MonthLow / High °CRain %RainfallClear skiesWind
January28.9° / 33.3°27%56 mm59%28 kph
February28.7° / 33.3°20%42 mm57%27.7 kph
March29.2° / 34.9°20%54 mm51%26.2 kph
April30.6° / 36.3°24%73 mm42%25.3 kph
May31.9° / 36.8°28%95 mm36%26 kph
June32.2° / 37°35%109 mm38%27.9 kph
July32.3° / 37°41%133 mm45%27.1 kph
August32.2° / 36.9°43%157 mm41%23.9 kph
September32.1° / 36.8°42%170 mm33%21.3 kph
October31.9° / 36.7°44%181 mm33%21.6 kph
November30.7° / 35.4°44%156 mm41%23.8 kph
December30.1° / 34.8°33%88 mm53%26.4 kph

Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).

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