St Barts Weather & Climate

The  temperatures  in St Barts, vary very little, from 20°C/68°F to 33°C/91,4°F. During the coolest time of the year, the temperature might will drop to about 19°C/66,2°F at night, while the record cold stands at 18°5C/65,3°F. Average temperatures are 21°C/69,8°F in the winter, and 25°5°C/77,9°F in the summer. The highest temperatures hover around 30°C/86°F in February and 33°C/91,4°F in the hottest months, with record highs reaching 35°C/95°F.

Forecast | Maps | Radar

In St Barts you will rarity go a day without sun  with an average of 3,000 hours of sun per year, there is hardly room for a cloudy day. The least sunny months are May, September, October, November, and December, which average less than four days with less then four hours of sunshine.

The Ocean temperatures vary from a low of 26°C/78,8°F in February to more than 29°C/84,2°F in the summer.  St Barts  Rainy seasons are unpredictable it can rain quite a bit in just a few days. The annual level of rainfall is fairly stable yet affected by the passage of tropical storms.

St Barts generally gets between 750mm/30” and 1115mm/44” of rain per year, in at least 80% any given years. The 20% of the years where there is less than 750mm/30” or more than 1115mm/44” of rain are exceptional.

Back to Caribbean Weather