Weather in Saint-Barthélemy in august
Country-wide climate normals across 13 cities in Saint-Barthélemy.
How Hot Is Saint-Barthélemy in august?
Saint-Barthélemy sees consistently hot August weather — average highs of 29°C, average lows of 27°C, with minimal regional differences. Whether you're in Gustavia or one of the coastal cities, conditions feel broadly the same: hot, generally clear, with little night-time relief.
Sunshine in Saint-Barthélemy in august
Saint-Barthélemy sees limited sun in August: just 1.9h a day in Gustavia, with heavy cloud cover common across most regions. Daylight runs from 5:55 am to 6:35 pm, but persistent grey skies and overcast stretches mean direct sunlight is genuinely scarce. Many days pass without any prolonged sunny spells.
Does It Rain In Saint-Barthélemy In august?
Typical August rainfall covers Saint-Barthélemy: about 91mm in Gustavia across 15 days, with wetter conditions in coastal regions and drier conditions inland. Expect showers about half the days, but extended dry stretches between them. The pattern is variable but predictable.
Is Saint-Barthélemy Humid In august?
Heavy oppressive humidity covers Saint-Barthélemy in August: 78% on average in Gustavia, and similar saturating conditions exist nationwide. The air feels thick and heavy from sunrise to sundown, with little overnight respite. Coastal and tropical regions feel especially stifling.
Wind In Saint-Barthélemy In august
Breezy conditions cover Saint-Barthélemy's August: Gustavia sits at 30 kph on average, with the country as a whole feeling windy through the day. Afternoon winds pick up across most cities, and coastal regions often run significantly higher.
Cloud Cover In Saint-Barthélemy In august
Saint-Barthélemy sees mostly cloudy weather through August: Gustavia averages 73% cloud cover, and the pattern repeats across the country. Bright sun is uncommon; expect a grey, soft-lit feel to most days.