Year-round weather and climate in Gustavia, St. Barthélemy
Average temperatures in Gustavia run from an average low of 25°C77°F in February up to an average high of 30°C86°F in September. March is the driest month at 6 rainy days; October the wettest at 17. Here is the annual climate data, so you know what you are packing for.
Good to know
- Population
- 5,988
- Currency
- EUR
- Language
- French
- Time zone
- St Barthelemy
Best time to visit
The most pleasant weather falls in January, February, and March, offering a perfect balance of comfortable temperatures and clear skies.
Rain character
Moderate Showers: Rainfall is standard and manageable. A compact travel umbrella or light rain jacket will easily get you through any wet days.
Day-to-night swing
Thermal Flatline: Day-to-night temperatures barely budge. Evenings are just as warm as the afternoon, meaning you can confidently leave the evening jacket in your hotel.
Seasonality Profile
Tropical Monsoon: Consistent heat year-round. Defined entirely by its dramatic shift between extreme dry and torrential wet seasons.
Evening vibe
Cozy Indoor Culture: Evenings are generally crisp, damp, or sweltering. Nightlife centers around indoor venues.
Sightseeing stamina
All-Day Strolling: Weather is generally forgiving for long walking days. Comfortable sneakers are your most important packing item.
Average temperatures, sunshine, and rainfall
Average monthly weather in Gustavia, based on recent historical data. Essential insights on temperature swings, expected rainfall, and daily sunshine.
Bars span the average daily low to high. Mar is typically driest at 6 days (19mm); Oct the wettest at 17 days (149mm).
| Month | Average high | Average low | Sunshine hours | Rainy days | Total rainfall |
|---|---|---|---|---|---|
| Jan | 27°C / 80°F | 25°C / 77°F | 11h | 13 | 41mm |
| Feb | 26°C / 79°F | 25°C / 76°F | 11h | 11 | 59mm |
| Mar | 27°C / 80°F | 25°C / 77°F | 12h | 6 | 19mm |
| Apr | 27°C / 80°F | 25°C / 77°F | 12h | 14 | 74mm |
| May | 28°C / 82°F | 26°C / 79°F | 11h | 12 | 74mm |
| Jun | 29°C / 84°F | 27°C / 81°F | 12h | 9 | 51mm |
| Jul | 29°C / 84°F | 27°C / 81°F | 12h | 16 | 68mm |
| Aug | 29°C / 85°F | 27°C / 81°F | 11h | 16 | 103mm |
| Sep | 30°C / 85°F | 28°C / 82°F | 11h | 16 | 91mm |
| Oct | 29°C / 85°F | 27°C / 81°F | 10h | 17 | 149mm |
| Nov | 29°C / 83°F | 27°C / 80°F | 10h | 15 | 95mm |
| Dec | 28°C / 82°F | 26°C / 78°F | 10h | 9 | 35mm |
Weather data by Open-Meteo.com (opens in a new tab)
Frequently Asked Questions
When is the sunniest time of year to visit Gustavia?
The most sunshine in Gustavia comes around April, averaging 12 hours a month. If you're heading there then, pack your sunglasses and sunscreen.
What clothes should I pack for Gustavia?
Your packing list depends entirely on when you travel. Temperatures in Gustavia swing from an average low of 25°C77°F in February up to 30°C86°F in September. The Packola app builds a tailored packing list for you based on the live weather forecast for your exact travel dates.
Do I need to pack an umbrella for Gustavia?
Gustavia gets rain on about 154 days out of the year. The wettest month is October. If you're traveling during the rainy season, you'll definitely want to pack an umbrella and a light rain jacket.
Pack smarter.
Averages get you close, but the week you travel is what matters. Get the live forecast, a smart packing list, and discover the best local spots and activities in Gustavia with Packola.
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