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Saint Barthélemy · Month guide

Saint Barthélemy in August

Around 28 °C with 94 mm of rain and 8.2 hours of sun a day.

August is a mixed month for Saint Barthélemy — worth planning around specific regions. Around 28 °C with 94 mm of rain and 8.2 hours of sun a day. Use the regional grid below to find where this month works best — national averages hide the swings between coast, highlands, and inland.

Match verdictMatch: Good option. Saint Barthélemy · August.
Good option
Saint Barthélemy · August
What the weather usually does

Saint Barthélemy · typical month

  • Day / night
    27 – 28 °C
    Year range 24 – 29 °C
  • Rainfall
    94 mm
    Year range 30 – 139 mm
  • Sunshine
    8.2 hr / day
    Year range 7.5 – 9.1 hr / day
Compare with another destination
Safety

No advisory on file for Saint Barthélemy

None of the six governments we track publishes a country-wide advisory for Saint Barthélemy. That is not the same as a clean bill of health — check your own government’s guidance before you travel.

Climate at a glance · 10-year ERA5

A decade of weather, in one page

Temperature°C
Temperature · 12-month climatologySaint Barthélemy. Average daytime high by month in °C. Lowest in February (25.6), highest in September (28.5). Monthly means: 25.9, 25.6, 25.7, 26.1, 26.9, 27.7, 28.0, 28.4, 28.5, 28.2, 27.4, 26.6.
— daytime high— overnight low▬ typical range
View data table
MonthAverage daytime high (°C)Average overnight low (°C)Typical lowTypical high
January25.924.723.626.8
February25.624.323.026.3
March25.724.523.326.6
April26.124.823.827.2
May26.925.724.528.3
June27.726.525.128.9
July28.026.625.629.0
August28.427.025.829.2
September28.526.925.729.4
October28.226.725.429.4
November27.426.124.928.4
December26.625.424.227.5
Rainfallmm
Rainfall · 12-month climatologySaint Barthélemy. Rainfall by month in mm. Lowest in March (30), highest in October (139). Monthly means: 38, 44, 30, 48, 55, 50, 82, 94, 138, 139, 114, 46.
View data table
MonthRainfall (mm)
January38
February44
March30
April48
May55
June50
July82
August94
September138
October139
November114
December46
Sunshinehr / day
Sunshine · 12-month climatologySaint Barthélemy. Sunshine hours by month in hr / day. Lowest in November (7.5), highest in March (9.1). Monthly means: 7.9, 8.5, 9.1, 8.7, 8.6, 8.6, 8.4, 8.2, 7.7, 7.7, 7.5, 7.9.
View data table
MonthSunshine hours (hr / day)
January7.9
February8.5
March9.1
April8.7
May8.6
June8.6
July8.4
August8.2
September7.7
October7.7
November7.5
December7.9
Windkm/h
Wind · 12-month climatologySaint Barthélemy. Average wind speed by month in km/h. Lowest in October (20.9), highest in July (27.8). Monthly means: 25.0, 26.8, 24.5, 23.4, 24.5, 26.3, 27.8, 25.0, 21.4, 20.9, 22.5, 25.4.
— average▬ typical range
View data table
MonthAverage wind speed (km/h)Typical lowTypical high
January25.012.236.4
February26.812.938.2
March24.511.636.0
April23.49.333.2
May24.516.932.0
June26.318.433.2
July27.819.634.5
August25.015.133.9
September21.48.732.1
October20.99.332.5
November22.511.631.9
December25.412.136.9
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