Weather & climate · Gustavia
Best Time to Visit Saint Barthelemy
December to April
The best time to visit Saint Barthelemy is December to April, when daytime highs in Gustavia are around 26–27°C. May to July and November are also a good time to go. September is the warmest month (29°C by day), February the coldest (25°C at night), and October the wettest with about 108 mm of rain.
29°C
Warmest: September
25°C
Coldest nights: February
615 mm
Rain per year
108 mm
Wettest: October
Saint Barthelemy weather by month
- Jan26°C25°C20 mm
- Feb26°C25°C12 mm
- Mar26°C25°C16 mm
- Apr27°C26°C26 mm
- May28°C27°C63 mm
- Jun28°C27°C42 mm
- Jul29°C28°C54 mm
- Aug29°C28°C66 mm
- Sep29°C28°C90 mm
- Oct29°C28°C108 mm
- Nov28°C27°C78 mm
- Dec27°C26°C40 mm
Best time Good Less ideal
| Month | High | Low | Rain | Humidity | Cloud cover | Verdict |
|---|---|---|---|---|---|---|
| January | 26°C | 25°C | 20 mm | 76% | 36% | Best time |
| February | 26°C | 25°C | 12 mm | 75% | 34% | Best time |
| March | 26°C | 25°C | 16 mm | 75% | 39% | Best time |
| April | 27°C | 26°C | 26 mm | 76% | 43% | Best time |
| May | 28°C | 27°C | 63 mm | 79% | 56% | Good |
| June | 28°C | 27°C | 42 mm | 79% | 56% | Good |
| July | 29°C | 28°C | 54 mm | 79% | 49% | Good |
| August | 29°C | 28°C | 66 mm | 79% | 45% | Fair |
| September | 29°C | 28°C | 90 mm | 79% | 53% | Fair |
| October | 29°C | 28°C | 108 mm | 78% | 51% | Fair |
| November | 28°C | 27°C | 78 mm | 78% | 45% | Good |
| December | 27°C | 26°C | 40 mm | 77% | 40% | Best time |
Data: NASA POWER (Prediction Of Worldwide Energy Resources) — 25-year climate averages 2001–2025, public domain, for the area around Gustavia (17.88, -62.85). Satellite and model averages — local weather stations can differ by 1–2 °C, and mountains or coasts elsewhere in Saint Barthelemy have their own climate.
Frequently asked questions
When is the best time to visit Saint Barthelemy?
December to April. The best time to visit Saint Barthelemy is December to April, when daytime highs in Gustavia are around 26–27°C. May to July and November are also a good time to go. September is the warmest month (29°C by day), February the coldest (25°C at night), and October the wettest with about 108 mm of rain.
What is the hottest month in Saint Barthelemy?
September, with average highs of 29°C in Gustavia.
What is the coldest month in Saint Barthelemy?
February, when nights drop to about 25°C and days reach 26°C.
What is the rainiest month in Saint Barthelemy?
October with about 108 mm; February is the driest (12 mm).
When should I avoid visiting Saint Barthelemy?
October is the least comfortable month on average: 29°C by day and 108 mm of rain.