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📍 Saint Lucia · Avg 2014–2023
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Saint Lucia

13.95°N, -60.97°W

The best time to visit Saint Lucia: April to May – best in May (avg. 26.7 °C, 12 rainy days).

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Note: Climate values are from the main town Castries. On larger islands, weather in other parts of Saint Lucia (mountains, other coast, inland) can differ noticeably.
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Hottest Month
Ø 27.3°C
Sep
↑ 29.7°C↓ 24.8°C
🧊
Coldest Month
Ø 24.9°C
Feb
↑ 27.1°C↓ 22.6°C
☀️
Sunniest Month
11.8 h
Apr · avg per day
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Most Rainy Days
23
Jul · days/month
🏖️ Top travel time:AprMay
☀️ Good travel time:JanFebMarJunJulAugSepOctNovDec
Month by month

📊 Monthly Climate Overview

MonthMax °CMin °CRain mmRain DaysSun hWind km/hSea °C
Jan26.8°C22.8°C50.5 mm1710.8 h22.7 km/h26.9°C
Feb27.1°C22.6°C44.6 mm1311.1 h23.9 km/h26.4°C
Mar27.6°C22.7°C45.1 mm1511.6 h22.9 km/h26.8°C
Apr28.6°C23.5°C37 mm1211.8 h21.8 km/h27.2°C
May29.2°C24.2°C44.1 mm1211.7 h23.2 km/h28°C
Jun29°C24.5°C78.3 mm1811.4 h24.4 km/h28.8°C
Jul28.8°C24.4°C108.2 mm2311.6 h23.5 km/h28.9°C
Aug29.2°C24.7°C104.1 mm2211.3 h20.7 km/h29.8°C
Sep29.7°C24.8°C115 mm2111.2 h17.9 km/h30.3°C
Oct29.1°C24.6°C99 mm2110.8 h18.5 km/h30.1°C
Nov28.2°C24.1°C106.9 mm2110.5 h20.6 km/h28.9°C
Dec27.6°C23.5°C52.4 mm1610.8 h22.2 km/h27.9°C

📖Climate & Best Time to Visit Saint Lucia

Saint Lucia (Saint Lucia) has a tropical climate with an annual average of around 26 °C. Daytime highs average 28 °C, while nights cool to about 24 °C. The destination sees roughly 885 mm of rainfall per year and 11.2 hours of sunshine per day on average.

Warm and tropical year-round — daily highs stay between 27 and 30 °C. The real variable is rain: April with only 12 rainy days is ideal, while July (23 rainy days) brings monsoon showers.

Rainfall varies through the year: peaks in July (23 rainy days), driest month is April (12).

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Frequently asked questions about Saint Lucia

When is the best time to visit Saint Lucia?

The best time to visit Saint Lucia: April to May – best in May (avg. 26.7 °C, 12 rainy days). Based on the monthly values for 2014 to 2023.

What are the temperatures in Saint Lucia?

The warmest month is September with an average of 27.3 °C and daytime highs around 29.7 °C. The coldest month is February with an average of 24.9 °C and night-time lows around 22.6 °C.

How many rainy days does Saint Lucia have?

July has the most rainy days with 23 rainy days. The driest month is April with 12 rainy days.

What is the sea temperature near Saint Lucia?

The water is warmest in September at an average of 30.3 °C and coolest in February at 26.4 °C.