SeasonMapGustavia (St Barts) weather in October
Saint Barthélemy
October in Gustavia: hot, rainy, with clean air — an excellent time to visit.
#12 of 12 months in Gustavia · #499 of 1383 destinations to visit in October · comfort 81/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Gustavia in October
No notes yet. Open Gustavia on the map to add the first one.
Gustavia climate normals — October
| Daytime high | 28°C / 83°F | 🥵 hot |
|---|---|---|
| Nighttime low | 27°C / 80°F | |
| Feels like (high) | 32°C / 90°F | |
| Sea temperature | 30°C / 86°F | ♨️ bath-warm |
| Rainfall | 130 mm / 5.1 in | 🌧 rainy |
| Rainy days | 16 days | |
| Humidity | 80% | 💦 very humid |
| Dew point | 24°C / 75°F | |
| Sunshine | 10.1 h/day | |
| Daylight | 11.7 h | |
| Wind | 26 km/h / 16 mph | |
| Air quality (US AQI) | 39 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Gustavia in October
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Quiettravelers describe it as quiet
Sourced from traveler notes: “St. Barths' forum doesn't hide that October is the island's off-season for good reason - deep in hurricane season, with Gustavia t…” — StBarthsRegular
Peak crowdsBusyShoulder seasonQuiet
Best months for Gustavia's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherGustavia's weather doesn't swing hard through the year — comfort stays fairly steady in every month.
What's on in Gustavia in October
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Hazard
Atlantic hurricane season
1 Jun – 30 NovMost of the season passes without incident, but this is the island Irma flattened in September 2017 and the rebuild took years. Mid-August to mid-October is the part of the window worth insuring against. Source ↗
- Season
Autumn shutdown
1 Sep – 31 OctOff-season shutdownClosuresSeptember and October are when the villas, the hotels and most of the good restaurants close for their annual break and the staff go home. Flights still run and the beaches are empty, but plan on eating wherever is open. Source ↗
Nearby, and something's on
Within 300 km of Gustavia — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Gustavia?
Gustavia in October — FAQ
- Is October a good time to visit Gustavia?
- October in Gustavia: hot, rainy, with clean air — an excellent time to visit. It ranks #12 of 12 months for Gustavia on SeasonMap's comfort score (81/100).
- What is the weather like in Gustavia in October?
- In October, Gustavia averages a daily high of 28.2°C and a low of 26.7°C, with about 130.1 mm of rain over roughly 16.2 rainy days.
- What is the air quality in Gustavia in October?
- Gustavia has a mean US Air Quality Index of about 39 in October.
Other months in Gustavia
Compare Gustavia in October
Warmer or cooler than Gustavia in October
Similar destinations in Caribbean — October
Within 300 km: Philipsburg's Sea turtle nesting around 1 Apr – 30 Nov.