SeasonMapGustavia (St Barts) weather by month
Saint Barthélemy
The best time to visit Gustavia (St Barts) is January to March — 90/100 in March, 26°C and 9 rainy days. The best season is the dry season, December to June (89/100 on average).
The worst month is October at 81/100 — hot, rainy, clean air. See October →
Updated September 2026 · climate normals from ERA5 reanalysis
Gustavia, month by month
Comfort score out of 100 for the kind of trip Gustavia is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.
| Month | Score | Tier | High | Rain | Sun | Crowds | On |
|---|---|---|---|---|---|---|---|
| JanJanuary | 89 | A | 26°C | 10 d | 10 h | Busy | — |
| FebFebruary | 89 | A | 26°C | 8 d | 11 h | Busy | — |
| MarMarch | 90 | S | 26°C | 9 d | 11 h | Busy | — |
| AprApril | 89 | A | 26°C | 11 d | 11 h | Shoulder | — |
| MayMay | 88 | A | 27°C | 10 d | 12 h | Shoulder | — |
| JunJune | 88 | A | 28°C | 11 d | 12 h | Shoulder | 1 |
| JulJuly | 85 | A | 28°C | 17 d | 12 h | Shoulder | 1 |
| AugAugust | 84 | A | 28°C | 14 d | 11 h | Shoulder | 1 |
| SepSeptember | 81 | A | 29°C | 18 d | 11 h | Quiet | 2 |
| OctOctober | 81 | A | 28°C | 16 d | 10 h | Quiet | 2 |
| NovNovember | 82 | A | 27°C | 15 d | 10 h | Busy | 2 |
| DecDecember | 88 | A | 27°C | 12 d | 10 h | Shoulder | — |
What's on in Gustavia through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
Crowds in Gustavia in March
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.
Busyschool holidays in 2 of the markets that fill it, one of its best months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet