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St-Jean Weather Saint-Barth
Lively beach near the airport
Discover all weather and environmental criteria to make the most of your stay in St-Jean.
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Weather Overview for St-Jean
Average weather conditions and orientation of the St-Jean neighborhood in Saint Barthelemy
27°C
Average temperature
North
Orientation
East
Dominant wind
Moderate
Rain risk
Stay Criteria for St-Jean
All practical and environmental criteria for your stay in St-Jean
Sunshine in St-Jean
Hours of sunshine, sunrise and sunset in the neighborhood
Sunrise
06:30
Sunset
18:45
Sun visible
08:30 - 18:45
North Orientation
St-Jean Microclimate
Climate particularities of St-Jean due to terrain and exposure
Each neighborhood in Saint Barthelemy has its own microclimate due to the island's mountainous terrain. St-Jean presents unique weather characteristics influenced by its north orientation and geographical position.
- Trade wind exposure: East
- Average temperature: 27°C (feels like 29°C with humidity)
- Rain risk: moderate
- Vegetation: impact on local temperature and humidity
Climate Conditions in St-Jean
Wind, humidity, shade, and vegetation in the neighborhood
Dominant winds influence thermal comfort in the neighborhood. The easterly trade winds bring welcome freshness during the day.
Humidity varies by season. Higher from July to November (rainy season), it remains bearable thanks to sea breezes.
Natural shade availability depends on local vegetation. Plan appropriate sun protection between 11am and 4pm.
Tropical vegetation influences the local microclimate. Palm trees, flame trees with bright red flowers, colorful bougainvillea, hibiscus, and cacti. The flora adapts to the dry climate and trade winds.
Natural Risks in St-Jean
Mosquitoes, sargassum, odors, and flood risks in the neighborhood
Mosquito presence varies depending on wind exposure and proximity to wet areas. Bring repellent, especially in the evening.
Tip: Use mosquito repellent in the evening and close windows after sunset.
Sargassum strandings depend on beach orientation and ocean currents. Strandings may occur between March and October.
Season: March to October, with a peak in July-August.
Decomposing sargassum odors may be present if strandings occur nearby. The sea breeze helps disperse these odors quickly.
Flooding is rare in Saint Barthelemy. Only low-lying areas may be temporarily flooded during heavy tropical rains.
Precaution: Avoid parking in low spots during weather alerts.
Wildlife and Flora of St-Jean
Animal and plant species observable in the neighborhood
Local Wildlife
Saint Barthelemy is home to diverse wildlife: seabirds (pelicans, frigatebirds, herons), green iguanas, wild goats, and rich marine life (turtles, rays, tropical fish).
Vegetation
Tropical vegetation includes palm trees, flame trees with bright red flowers, colorful bougainvillea, hibiscus, and cacti. The flora adapts to the dry climate and trade winds.
Traffic, Parking, and Nuisances in St-Jean
Traffic, parking, and noise pollution in the neighborhood
Traffic is heavy in high season (December-April) on main roads. Smoother in low season and outside peak hours.
Parking can be difficult near beaches and shops in high season. Prefer arriving early in the morning.
Occasional renovation and construction work. Most is done in low season.
Moderate noise pollution on main roads. Residential neighborhoods are quieter.
Power and Water Outages
Public service reliability in the neighborhood
The electrical grid is reliable. Outages are rare and generally short-lived, except during exceptional weather events.
Water supply is stable. Scheduled maintenance outages are announced in advance. Most establishments have reserves.
Should you choose St-Jean for your Saint-Barth stay?
St-Jean presents variable weather conditions with an average temperature of 27°C. The north orientation of the neighborhood strongly influences sunshine and thermal comfort.
Main advantages include the neighborhood's charm, preserved landscapes, and exposure to refreshing trade winds. On the downside, consider high season traffic and parking conditions.
Recommendation: St-Jean is particularly suitable for visitors seeking sunsets and island authenticity. Prefer a stay between December and April to enjoy the best weather conditions.