Castries weather
At 3:00 PM local time it was partly cloudy and 29°C (85°F). Mostly light, on-and-off rain; heavier around 11 AM (5.3 mm total). Best months for weather: Dec–Mar. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Castries, Castries, Saint Lucia.
Current conditions
- Clouds
- 52%
- Chance of rain
- 30%
- Rain
- 0.0 mm/h
Hourly Forecast
Mostly light, on-and-off rain; heavier around 11 AM (5.3 mm total)
Daily Forecast
Best Time to Visit
Peak season Dec–MarOff season Jun–Nov
About Castries weather
Is it raining in Castries right now?
No. It’s partly cloudy and 29° right now. Mostly light, on-and-off rain; heavier around 11 AM (5.3 mm total).
What’s the weather like in Castries this week?
Over the next 7 days, expect highs of 29–31° and lows of 23–25°. Rain is likely on 7 of 7 days (Saturday, Sunday, Monday, Tuesday, Wednesday, Thursday, Friday). The driest day looks like Saturday.
Has it been raining in Castries lately?
In the past 7 days, Castries had 5 rainy days and 27.9 mm of rain in total.
What should I pack for Castries?
For the coming week, bring an umbrella or rain jacket, light, breathable clothes and sunscreen.
Castries weather by month
When is the best time to visit Castries?
Based on weather alone, the best time to visit Castries is Dec–Mar, according to NASA's 2001–2025 climate averages. Jun–Nov tends to be the least pleasant. Average highs run from 27°C (80°F) in February to 29°C (85°F) in September.
What is the rainiest month in Castries?
October is the wettest month, with about 189 mm (7.4 in) of rain on average. February is the driest, with about 44 mm (1.7 in).
What is the hottest month in Castries?
September is the warmest, with average highs of 29°C (85°F) and lows of 28°C (82°F). February is the coolest, with highs of 27°C (80°F) and lows of 26°C (78°F).
Does Castries have a rainy season?
Yes. Jul–Nov is the rainy season (150 mm or more a month), while Feb–Mar is usually dry (under 60 mm).
How warm is the sea in Castries?
The sea is warmest in September at about 30°C (87°F) and coolest in February at about 28°C (82°F). It is warm enough for swimming all year.
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), sea temperature from Open-Meteo Marine, forecast and current conditions from Open-Meteo. Page updated . How we rate months