Saint Barthelemy climate
World Climates covers 1 place in Saint Barthelemy. Gustavia has a hot semi-arid climate (Köppen BSh).
Climate of Gustavia at a glance
The year average in Gustavia is 27 °C81 °F. The warmest month is September, with an average high of 29 °C84 °F. The coldest is February, with an average low of 25 °C77 °F. About 614 mm24 in of precipitation falls in a year. October is the wettest month and February the driest. By our comfort score, the best months to visit are November–August.
Frequently asked questions
How many places in Saint Barthelemy does this site cover?
World Climates has climate data for one place in Saint Barthelemy: Gustavia. Its page has monthly averages for temperature, rainfall, humidity and daylight.
What is the warmest month in Gustavia?
September is the warmest month, with an average high of 29 °C84 °F. February is the coldest, with an average low of 25 °C77 °F.
When does it rain the most in Gustavia?
October is the wettest month, with about 108 mm4.2 in of precipitation. The yearly total is about 614 mm24 in.
When is the best time to visit Gustavia?
By our comfort score, the most comfortable months are November–August. The score is based on long-term averages, not on a forecast.
Climate of every place in Saint Barthelemy
| Place | Year | Max high | Min low | Precip. |
|---|---|---|---|---|
| Gustavia | 27 | 29 | 25 | 614 |
Year = annual mean temperature; max high = average high of the warmest month; min low = average low of the coldest month; precip. = annual total. Temperatures in °C°F, precipitation in mminches. Sorted by population.
Data: NASA POWER climatology 2001–2025 (MERRA-2 reanalysis, CERES satellite data) — grid-cell averages, not station records. Sources and method.