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Gustavia Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Gustavia.
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10-day forecastForecast
Climate overview of Gustavia
The climate in Gustavia, Saint Barthélemy, is remarkably consistent, with temperatures year-round averaging 28°C (82°F). The warmest month is August at 30°C (86°F), and the coolest is February at 27°C (81°F).
The city receives around 904 mm (36 in) of rainfall per year. It experiences a distinct dry season from January to March. October is the wettest month and March the driest. Sunshine peaks in March, when the city sees around 8.9 hours of sunshine per day.
Gustavia Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Gustavia - and find the best time to visit.
Monthly Temperature in Gustavia
In Gustavia temperatures are generally consistent throughout the year. On average, daytime temperatures range from a comfortable 30°C (86°F) in August to a comfortable 27°C (81°F) in February.
Nighttime temperatures range from 27°C (81°F) in August to 24°C (75°F) in February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Gustavia
On average, Gustavia receives a reasonable amount of rainfall, with an annual precipitation of 904 mm (36 in). The seasons in Gustavia bring significant changes in precipitation. The wettest month, October, receives high rainfall, with an average of 138 mm (5.4 in) of precipitation. This rainfall is distributed across 20 rainy days.
In contrast, the driest month, March, experiences much less rainfall, totaling 30 mm (1.2 in) over 13 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Gustavia 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 Gustavia
The sunniest days in Gustavia occur in March, with around 8.9 hours of daily sunshine. Even in February, the least sunny month, Gustavia doesn't shy away from the sun, still enjoying a comfortable 7.7 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Gustavia by Month
The relative humidity is high throughout the year in Gustavia.
The city experiences its highest humidity in April, reaching 78%. In February, the humidity drops to its lowest level at 72%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Gustavia
The most comfortable overall weather for exploring Gustavia is usually found in January, February, March, April, May, June, July and December. Conditions are generally least comfortable in September.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
excellent
Feb
excellent
Mar
excellent
Apr
excellent
May
excellent
Jun
excellent
Jul
excellent
Aug
good
Sep
mixed
Oct
very good
Nov
very good
Dec
excellent
- Best overall: January, February, March, April, May, June, July and December
- Warmest weather: May, June, July, August, September, October and November
- Most sunshine: January, March, April, May, June, July and August
- Fewer rainy days: February, March, April, May and June
- Wettest months: July, August, September, October and November, when rainfall is highest.
- Seasonal pattern: A distinct dry season from January to March
Frequently asked questions about the climate in Gustavia
What is the best time to visit Gustavia?
January, February, March, April, May, June, July and December typically offer the most optimal weather in Gustavia. In contrast, September tends to have less optimal conditions. Gustavia has a distinct dry season from January to March.
What temperatures can I expect in Gustavia?
Daytime highs range from 27°C (81°F) in February to 30°C (86°F) in August. Nighttime lows range from 24°C (75°F) to 27°C (81°F). Temperatures stay relatively stable year-round.
How much rain does Gustavia get?
Annual rainfall is around 904 mm (36 in). October is the wettest month with 138 mm (5.4 in), while March is the driest with 30 mm (1.2 in).
How sunny is Gustavia?
Gustavia receives around 3,034 hours of sunshine per year. March is the sunniest month with 267 hours, while February is the cloudiest with just 232 hours. Overall, Gustavia enjoys abundant sunshine.
Gustavia 3-Day Forecast
Gustavia on the map
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