Best time to visit St. Barts
February to April are the driest months in St. Barts, with about 1.5 to 2 inches (38 to 51 mm) of rain a month and highs of 83 to 86 °F (28.6 to 29.8 °C). They’re also the busiest. In 2025, tourist nights on the island peaked in the last three weeks of March.
For dry weather with fewer people, look at May and early June. The Atlantic hurricane season starts June 1, but since 1991 no tropical storm has passed within 60 nautical miles of the island between December and June.
August to October get the most storms and the most rain.
St. Barts weather by month
| Month | High | Low | Rain | Rainy days | Sea | Storms within 60 nm, 1991-2025 |
|---|---|---|---|---|---|---|
| January | 83 °F (28.5 °C) | 74 °F (23.5 °C) | 2.1 in (53 mm) | 12 | 80 °F (26.5 °C) | 0 |
| February | 83 °F (28.6 °C) | 74 °F (23.3 °C) | 1.5 in (38 mm) | 10 | 79 °F (26.1 °C) | 0 |
| March | 84 °F (29.0 °C) | 74 °F (23.5 °C) | 1.6 in (41 mm) | 8 | 79 °F (26.1 °C) | 0 |
| April | 86 °F (29.8 °C) | 76 °F (24.2 °C) | 2.0 in (51 mm) | 7 | 80 °F (26.7 °C) | 0 |
| May | 87 °F (30.7 °C) | 77 °F (25.1 °C) | 2.4 in (62 mm) | 9 | 81 °F (27.4 °C) | 0 |
| June | 88 °F (31.2 °C) | 79 °F (25.9 °C) | 2.2 in (56 mm) | 9 | 82 °F (27.9 °C) | 0 |
| July | 88 °F (31.2 °C) | 79 °F (26.0 °C) | 3.2 in (80 mm) | 12 | 82 °F (28.0 °C) | 1 |
| August | 89 °F (31.6 °C) | 79 °F (26.3 °C) | 3.1 in (80 mm) | 12 | 83 °F (28.5 °C) | 7 |
| September | 89 °F (31.7 °C) | 79 °F (26.2 °C) | 3.8 in (97 mm) | 11 | 84 °F (28.8 °C) | 4 |
| October | 89 °F (31.4 °C) | 78 °F (25.8 °C) | 5.3 in (136 mm) | 12 | 84 °F (28.8 °C) | 7 |
| November | 86 °F (29.9 °C) | 77 °F (25.0 °C) | 4.7 in (119 mm) | 14 | 83 °F (28.2 °C) | 1 |
| December | 84 °F (28.9 °C) | 75 °F (24.1 °C) | 3.1 in (79 mm) | 12 | 81 °F (27.3 °C) | 0 |
| Year | 86 °F (30.2 °C) | 77 °F (24.9 °C) | 35.1 in (891 mm) | 127 | 82 °F (27.5 °C) | 20 |
Highs, lows, rain and rainy days (0.04 in or 1 mm or more): Météo-France, St. Barthélemy station, 1991-2020 averages. Sea: NOAA OISST, 1991-2020 monthly average. Storms: tropical storms and hurricanes whose center passed within 60 nautical miles (111 km) of the island, counted by Gladori from NOAA’s HURDAT2 records.
St. Barts seasons at a glance
| Season | Months | What to expect |
|---|---|---|
| Dry season | December to May | 1.5 to 3.1 in (38 to 79 mm) of rain a month, highs of 83 to 87 °F (28.5 to 30.7 °C) |
| Busiest weeks | Mid-March to mid-April; Christmas and New Year | Tourist nights peaked in March 2025, and December 2024 came next |
| Quiet months | May to July | Under 15,000 tourist nights a week in 2025, against 34,000 at the March peak |
| Hurricane season | June 1 to November 30 | Storms near the island cluster in August to October |
The tourism board describes December to May as the dry, milder season and June to November as hot and humid.
Villa stays run long in high season. From November to March they averaged 9.3 nights in the tourism observatory’s survey of rental agencies.
Month by month
December: the holidays
Rain eases to 3.1 in (79 mm), and the sea is still 81 °F (27.3 °C). Gustavia holds Christmas events, and boats gather in the harbor for the New Year’s Eve regatta. December 2024 had about 30,000 tourist nights over the month, second only to March.
January: dry season, short showers
January averages 12 rainy days, but fewer than one day with 0.4 in (10 mm) or more, so expect passing showers. The Festival de Musique de Saint-Barth held its concerts in January 2025.
February: the driest month
February gets the island’s lowest rainfall, 1.5 in (38 mm), with highs around 83 °F (28.6 °C) and an average wind of about 11 mph (5.1 m/s). Carnival usually falls in February.
March: the busiest month
March 2025 had 29,037 airport passengers, more than any other month of the season, and restaurants were at their fullest. The St Barths Bucket Regatta is in March. Book flights and dinners early.
April: dry and still busy
April has the fewest rainy days, 7 on average. Tourist nights stayed high until mid-April in 2025, then began to fall.
May: the shoulder month
Rain is 2.4 in (62 mm) and the sea warms to 81 °F (27.4 °C). May 2025 had a third fewer airport passengers than March. Villa stays averaged 6.3 nights in May, the shortest of the year in the observatory’s survey.
June: start of hurricane season
The Atlantic season opens June 1, but no storm has passed within 60 nm of the island in June since 1991. Highs reach 88 °F (31.2 °C).
July: quiet weeks
The week of July 14 was the quietest of 2025, with 7,334 tourist nights. Since 1991, one July storm has passed close to the island: Hurricane Bertha, in 1996.
August: summer holidays and storm season
Visitors picked up a little in the first week of August 2025, and villa stays averaged 13.2 nights, the longest of the year. Seven storms have passed within 60 nm in August since 1991, level with October. Restaurants were only 27% full. The Fête de la Saint-Barthélemy is on August 24.
September: the hottest stretch
September averages 13 days that reach 32 °C (about 90 °F), more than any other month, and the sea is at its warmest, 84 °F (28.8 °C), the same as in October. It’s also the month Hurricane Irma hit, in 2017.
October: the wettest month
October gets 5.3 in (136 mm) of rain, the most of the year. Seven storms have passed close in October since 1991, as many as in August.
November: the season opens
Rain stays high, 4.7 in (119 mm), and November has the most rainy days, 14. The high season starts this month. In 2024 it opened with the Saint Barth Cata Cup and the Saint Barth Gourmet Festival.
For what to do once you’ve picked your month, see things to do in St. Barts.
Hurricane season in St. Barts
The Atlantic hurricane season runs from June 1 to November 30, according to NOAA. Near St. Barts, the storms haven’t been spread evenly across those months.
Since 1991, 20 tropical storms and hurricanes have passed within 60 nautical miles (111 km) of the island. Eighteen of them came in August, September or October, and 11 were hurricanes.
| Month | Storms within 60 nm | Of them, hurricanes |
|---|---|---|
| June | 0 | 0 |
| July | 1 | 1 |
| August | 7 | 2 |
| September | 4 | 3 |
| October | 7 | 4 |
| November | 1 | 1 |
Counted by Gladori from NOAA HURDAT2, 1991 to 2025. A storm that passes within 60 nm doesn’t always bring strong wind to the island.
On September 6, 2017, St. Barthélemy was in the southern eyewall of Hurricane Irma, according to the National Hurricane Center, which recorded a pressure of 915.9 mb on the island.
If you travel between August and October, read the cancellation terms of the company you book with, and check what your travel insurance says about named storms.
