The best time to visit Saint Barthélemy is January through September and November and December. In this period you have a warm temperature and little precipitation. On the island of Saint Barthélemy, the warmest month is August with 29°C and the coldest is January with 26°C.
In the table below you can quickly see the average monthly weather in Saint Barthélemy, the monthly temperatures or when the precipitation is the highest. Average monthly climate data is based on data from the past 30 years.
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Saint Barthélemy has a tropical savanna climate. It is warm every month with both a wet and dry season. The average annual temperature for Saint Barthélemy is 27° degrees and there is about 713 mm of rain in a year. It is dry for 64 days a year with an average humidity of 76% and an UV-index of 7.
What is the average Saint Barthélemy weather like in a given month? Let's find out! Click on a month to check all the monthly averages for sunshine, temperature highs and lows, percentage chance of rain per day, snowfall accumulation and number of rainy days.
The weather for Saint Barthélemy over the next 14 days will be 24°C till 27° with several days chance of light rain showers or even quite a bit of rain.
The weather forecast for Saint Barthélemy is based on the weather in Gustavia.
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26°C
26°C
29°C
