SeasonMapGustavia (St Barts) weather in March
Saint Barthélemy
March in Gustavia: warm, dry, with clean air — one of the best months to visit.
#1 of 12 months in Gustavia · #142 of 1383 destinations to visit in March · comfort 90/100 (tier S)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Gustavia in March
No notes yet. Open Gustavia on the map to add the first one.
Gustavia climate normals — March
| Daytime high | 26°C / 78°F | 🌤 warm |
|---|---|---|
| Nighttime low | 25°C / 76°F | |
| Feels like (high) | 28°C / 82°F | |
| Sea temperature | 26°C / 79°F | 😎 warm sea |
| Rainfall | 21 mm / 0.8 in | ☀️ dry |
| Rainy days | 9 days | |
| Humidity | 76% | 💦 very humid |
| Dew point | 21°C / 69°F | |
| Sunshine | 11.1 h/day | |
| Daylight | 12.1 h | |
| Wind | 30 km/h / 18 mph | |
| Air quality (US AQI) | 36 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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
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.
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 March — FAQ
- Is March a good time to visit Gustavia?
- March in Gustavia: warm, dry, with clean air — one of the best months to visit. It ranks #1 of 12 months for Gustavia on SeasonMap's comfort score (90/100).
- What is the weather like in Gustavia in March?
- In March, Gustavia averages a daily high of 25.6°C and a low of 24.5°C, with about 20.9 mm of rain over roughly 8.5 rainy days.
- What is the air quality in Gustavia in March?
- Gustavia has a mean US Air Quality Index of about 36 in March.
Other months in Gustavia
Compare Gustavia in March
Warmer or cooler than Gustavia in March
Similar destinations in Caribbean — March
Within 300 km: Charlotte Amalie's Humpbacks on the north drop around 15 Jan – 15 Apr, and Philipsburg's St. Maarten Heineken Regatta on 5–8 Mar.