Marigot Bay Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Marigot Bay.
Climate overview of Marigot Bay
The climate in Marigot Bay, Castries, Saint Lucia, is remarkably consistent, with temperatures year-round averaging 30°C (86°F). The warmest month is September at 31°C (88°F), and the coolest is February at 29°C (84°F).
Marigot Bay sees a moderate amount of rainfall, totalling around 952 mm (37 in) per year. It experiences a distinct dry season from February to March, creating some seasonal variation. May is the sunniest month, averaging 8.3 hours of sunshine per day.
Marigot Bay Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Marigot Bay — and find the best time to visit.
Monthly Temperature in Marigot Bay
In Marigot Bay temperatures are generally consistent throughout the year. Average maximum daytime temperatures range from a very warm 31°C (88°F) in September, the warmest time of the year, to a comfortable 29°C (84°F) during cooler months like February.
At night, you can expect temperatures ranging from 26°C (79°F) in September to around 24°C (75°F) during February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Marigot Bay
On average, Marigot Bay receives a reasonable amount of rainfall, with an annual precipitation of 952 mm (37 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, October it receives high rainfall, averaging 134 mm (5.3 in) of precipitation, recorded across 18 rainy days. In contrast, the driest month February brings less rainfall, with 35 mm (1.4 in) over 13 rainy days. For more details, please visit our Marigot Bay Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Marigot Bay
Year-round, Marigot Bay offers plenty of sunlight to enjoy during your holiday. The difference between the sunniest month, May, with 8.3 hours of daily sunshine, and October, the least sunny month, with 7.1 hours, is minimal.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Marigot Bay by Month
The relative humidity is high throughout the year in Marigot Bay.
The city experiences its highest humidity in November, reaching 84%. In April, the humidity drops to its lowest level at 76%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Marigot Bay
To make the most of your visit, consider exploring early in the morning or during the pleasant late afternoon hours when the temperature is most comfortable. Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.
Frequently asked questions about the climate in Marigot Bay
What is the best time to visit Marigot Bay?
January, February and March typically offer the most optimal weather in Marigot Bay. In contrast, August, September, October and November tend to have less optimal conditions. Marigot Bay has a distinct dry season from February to March.
What temperatures can I expect in Marigot Bay?
Daytime highs range from 29°C (84°F) in February to 31°C (88°F) in September. Nighttime lows range from 24°C (75°F) to 26°C (79°F). Temperatures stay relatively stable year-round.
How much rain does Marigot Bay get?
Annual rainfall is around 952 mm (37 in). October is the wettest month with 134 mm (5.3 in), while February is the driest with 35 mm (1.4 in).
How sunny is Marigot Bay?
Marigot Bay receives around 2,880 hours of sunshine per year. May is the sunniest month with 249 hours, while October is the cloudiest with just 214 hours. Overall, Marigot Bay enjoys abundant sunshine.
Marigot Bay 3-Day Forecast
Marigot Bay 3-Day Forecast
Marigot Bay on the map
Marigot Bay is highlighted — select any city to see its climate.
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