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Gustavia Weather Saint-Barth

Gustavia Weather Saint-Barth

The main port, magnificent sunsets

Discover all weather and environmental criteria to make the most of your stay in Gustavia.

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Recevez la liste des hébergements disponibles à Gustavia adaptés à vos dates et vos besoins.

Weather Overview for Gustavia

Average weather conditions and orientation of the Gustavia neighborhood in Saint Barthelemy

28°C

Average temperature

West

Orientation

East

Dominant wind

Low

Rain risk

Stay Criteria for Gustavia

All practical and environmental criteria for your stay in Gustavia

Sunshine in Gustavia

Hours of sunshine, sunrise and sunset in the neighborhood

Sunrise

06:30

Sunset

18:45

Sun visible

08:30 - 18:45

West Orientation

Gustavia Microclimate

Climate particularities of Gustavia due to terrain and exposure

Each neighborhood in Saint Barthelemy has its own microclimate due to the island's mountainous terrain. Gustavia presents unique weather characteristics influenced by its west orientation and geographical position.

  • Trade wind exposure: East
  • Average temperature: 28°C (feels like 30°C with humidity)
  • Rain risk: low
  • Vegetation: impact on local temperature and humidity

Climate Conditions in Gustavia

Wind, humidity, shade, and vegetation in the neighborhood

Wind
East50%

Dominant winds influence thermal comfort in the neighborhood. The easterly trade winds bring welcome freshness during the day.

Humidity
Moderate75%

Humidity varies by season. Higher from July to November (rainy season), it remains bearable thanks to sea breezes.

Available shade
Low25%

Natural shade availability depends on local vegetation. Plan appropriate sun protection between 11am and 4pm.

Vegetation
Sparse30%

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 Gustavia

Mosquitoes, sargassum, odors, and flood risks in the neighborhood

Mosquitoes in Gustavia
Moderate risk

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 in Gustavia
Variable risk

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.

Sargassum odors
Variable

Decomposing sargassum odors may be present if strandings occur nearby. The sea breeze helps disperse these odors quickly.

Flooded roads
Rare

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 Gustavia

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 Gustavia

Traffic, parking, and noise pollution in the neighborhood

Road traffic
Variable by season

Traffic is heavy in high season (December-April) on main roads. Smoother in low season and outside peak hours.

Parking
Variable

Parking can be difficult near beaches and shops in high season. Prefer arriving early in the morning.

Construction
Occasional

Occasional renovation and construction work. Most is done in low season.

Vehicle noise
Moderate

Moderate noise pollution on main roads. Residential neighborhoods are quieter.

Power and Water Outages

Public service reliability in the neighborhood

Electricity
Rare outages

The electrical grid is reliable. Outages are rare and generally short-lived, except during exceptional weather events.

Water
Rare outages

Water supply is stable. Scheduled maintenance outages are announced in advance. Most establishments have reserves.

Should you choose Gustavia for your Saint-Barth stay?

Gustavia presents variable weather conditions with an average temperature of 28°C. The west 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: Gustavia is particularly suitable for visitors seeking sunsets and island authenticity. Prefer a stay between December and April to enjoy the best weather conditions.