World → Saint Barthélemy → Gustavia

Weather in Gustavia — today

Tomorrow Day after tomorrow 3 days Week 14 days Month forecast Weather archive

Now in Gustavia

🌙

+29°

Clear

Feels like +31° · humidity 74%

Today 12.9: +29° / +29°

🕐 01:25

Wind

28 km/h

UV index

Air (AQI)

79 · Poor

Precipitation

18%

Humidity

74%

Pressure

1015 hPa

Sunrise / sunset

05:58 / 18:15

Sea temperature

🌊 +29°

👕 What to wear today

Warm — a T-shirt and light trousers or shorts.

💨 WindyFeels warmer by 2°

Weather for an activity:

🎣 fishing 🏖️ the beach 🏃 a run 📸 a photo shoot 🚶 a walk

Detailed weather information for Gustavia

Today, 12 September, Saturday, in Gustavia (Saint Barthélemy): cloudy, light rain in places, warm. During the day the air will warm up to +29°, at night around +29°. Wind up to 30 km/h. No precipitation expected, you won't need an umbrella. Light summer clothing will do — a T-shirt and shorts or light trousers. The sea has warmed up to +29° — great for swimming. The sun will rise at 05:58 and set at 18:15 — daylight lasts 12 hours.

Hourly weather in Gustavia

💧 The bars at the bottom show the hourly precipitation probability. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).

Weather in Gustavia for 14 days

Tap a day to expand it by time of day and open the full forecast. The bar shows the range from the night low (left) to the day high (right).

▶

Today 12.9

🌦️

💧 18%

+29° +29°

Morning

☁️

+29°

Day

🌦️

+29°

Evening

🌇

+29°

Night

🌙

+29°

Drizzle · precipitation 18% · wind up to 30 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Tomorrow 13.9

🌦️

💧 27%

+28° +29°

Morning

🌤️

+29°

Day

🌦️

+29°

Evening

🌇

+29°

Night

🌙

+28°

Drizzle · precipitation 27% · wind up to 28 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Mon 14.9

🌦️

💧 29%

+28° +29°

Morning

🌦️

+28°

Day

🌦️

+29°

Evening

🌇

+29°

Night

🌙

+28°

Drizzle · precipitation 29% · wind up to 32 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Tue 15.9

🌦️

💧 41%

+25° +29°

Morning

🌦️

+26°

Day

🌦️

+29°

Evening

🌇

+28°

Night

🌙

+25°

Drizzle · precipitation 41% · wind up to 35 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Wed 16.9

🌦️

💧 78%

+27° +29°

Morning

🌦️

+28°

Day

🌦️

+29°

Evening

🌇

+29°

Night

🌙

+27°

Drizzle · precipitation 78% · wind up to 32 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Thu 17.9

⛈️

💧 56%

+27° +29°

Morning

⛈️

+28°

Day

⛈️

+29°

Evening

🌇

+29°

Night

🌙

+27°

Thunderstorm · precipitation 56% · wind up to 29 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Fri 18.9

☁️

💧 30%

+28° +29°

Morning

☁️

+28°

Day

☁️

+29°

Evening

🌇

+29°

Night

🌙

+28°

Overcast · precipitation 30% · wind up to 24 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Sat 19.9

🌦️

💧 18%

+28° +29°

Morning

🌦️

+28°

Day

🌦️

+29°

Evening

🌇

+29°

Night

🌙

+28°

Drizzle · precipitation 18% · wind up to 20 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Sun 20.9

⛈️

💧 16%

+27° +29°

Morning

⛈️

+28°

Day

⛈️

+29°

Evening

🌇

+29°

Night

🌙

+27°

Thunderstorm · precipitation 16% · wind up to 14 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Mon 21.9

🌦️

💧 18%

+27° +28°

Morning

🌦️

+27°

Day

🌦️

+28°

Evening

🌇

+28°

Night

🌙

+27°

Drizzle · precipitation 18% · wind up to 16 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Tue 22.9

☀️

💧 28%

+28° +29°

Morning

☀️

+28°

Day

☀️

+29°

Evening

🌇

+29°

Night

🌙

+28°

Clear · precipitation 28% · wind up to 26 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Wed 23.9

🌦️

💧 36%

+28° +29°

Morning

🌦️

+28°

Day

🌦️

+29°

Evening

🌇

+29°

Night

🌙

+28°

Drizzle · precipitation 36% · wind up to 26 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Thu 24.9

🌦️

💧 39%

+29° +29°

Morning

🌦️

+29°

Day

🌦️

+29°

Evening

🌇

+29°

Night

🌙

+29°

Drizzle · precipitation 39% · wind up to 25 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Fri 25.9

⛈️

💧 26%

+28° +29°

Morning

⛈️

+28°

Day

⛈️

+29°

Evening

🌇

+29°

Night

🌙

+28°

Thunderstorm · precipitation 26% · wind up to 27 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

🗺️ Precipitation radar

Precipitation radar (RainViewer) over a clean base map — updates every 5–10 minutes. Colours show nearby precipitation; if there is none, the map is simply clear — that is normal. Zoom with + / −.

Rain intensity:lightmoderateheavy

🎯 What to do in this weather — indices of the day

Comfort score from 0 (bad) to 100 (excellent), calculated from the day's weather. For “rain” and “UV” a percentage/risk level is shown.

🏖️ Beach

86 / 100

for sea and sun · Excellent

🏊 Swimming

64 / 100

water 29° · Average

🏃 Running

18 / 100

comfort for running · Bad

🧴 UV

moderate · low

☂️ Rain

18%

unlikely · low

✨ Stars

75 / 100

evening visibility · Good

🧺 Laundry drying

48 / 100

will dry outside · Average

🚗 Car wash

73 / 100

no rain expected · Good

🌫️ Air quality

Poor air

European AQI

PM2.5: 59PM10: 191O₃: 35NO₂: 0

People with allergies or asthma should reduce time outdoors.

🌅 Sun, moon and sea

Sunrise

05:58

Sunset

18:15

Golden hour

17:46

Daylight

12 h (-1 min vs yesterday)

Sea temperature

+29°

🌊 moderate, waves 1.3 m.

Gustavia climate by month

Long-term averages. Hover over a bar for details. The forecast for a specific month is a combination of the climate normal and the model forecast for the coming weeks.

+26°

+24°

Jan

+25°

+24°

Feb

+25°

+24°

Mar

+26°

+25°

Apr

+27°

+25°

May

+27°

+26°

Jun

+28°

+26°

Jul

+28°

+27°

Aug

+28°

+27°

Sep

+28°

+26°

Oct

+27°

+26°

Nov

+26°

+25°

Dec

swipe sideways →

Bar color shows temperature:frostcoolcomfortablewarmhot— best months to visit

Month	Day	Night	Sea	Precipitation	What to pack and what makes the month notable (events, nuances)
January	+26°	+24°	+27°	28 mm	Ideal weather: +26° daytime — neither hot nor cold. 😊 light summer clothing. Water at +27° — great for swimming. Weather-wise, one of the three best months to visit.
February	+25°	+24°	+27°	21 mm	The most pleasant season: +25° by day, comfortable all day long. 😊 light summer clothing. Water at +27° — great for swimming. This is the coldest month of the year.
March	+25°	+24°	+27°	20 mm	One of the best times to visit: +25° by day, fresh nights. 😊 light summer clothing. Water at +27° — great for swimming. Weather-wise, one of the three best months to visit.
April	+26°	+25°	+27°	32 mm	Ideal weather: +26° daytime — neither hot nor cold. 😊 light summer clothing. Water at +27° — great for swimming.
May	+27°	+25°	+28°	62 mm	A comfortable month: +27° by day without exhausting heat. One of the wettest months (62 mm): downpours can derail plans. 😊 light summer clothing. Water at +28° — great for swimming.
June	+27°	+26°	+29°	47 mm	Warm and comfortable: +27° by day, +26° at night. 😊 light summer clothing. Water at +29° — great for swimming. The longest daylight hours of the year — more time for everything.
July	+28°	+26°	+29°	68 mm	Gentle warmth — about +28° daytime, great walking weather. Frequent rain (68 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Water at +29° — great for swimming.
August	+28°	+27°	+29°	84 mm	A comfortable month: +28° by day without exhausting heat. One of the wettest months (84 mm): downpours can derail plans. 😊 light summer clothing. Water at +29° — great for swimming.
September	+28°	+27°	+30°	114 mm	Warm and comfortable: +28° by day, +27° at night. It's a rainy month (114 mm) — an umbrella is a must. 😊 light summer clothing. The sea is +30° — like a warm bath. This is the hottest month of the year in Gustavia.
October	+28°	+26°	+30°	130 mm	Gentle warmth — about +28° daytime, great walking weather. Frequent rain (130 mm over the month) — keep indoor backup plans. 😊 light summer clothing. The sea is +30° — like a warm bath. Statistically the wettest month of the year.
November	+27°	+26°	+29°	102 mm	A comfortable month: +27° by day without exhausting heat. One of the wettest months (102 mm): downpours can derail plans. 😊 light summer clothing. Water at +29° — great for swimming.
December	+26°	+25°	+28°	48 mm	Warm and comfortable: +26° by day, +25° at night. 😊 light summer clothing. Water at +28° — great for swimming. The shortest daylight of the year — it gets dark early.

When to visit Gustavia

✅ Recommended time to visit

🌟 Best time: January, February, March

Daytime air+25…+26°

Sea temperature+27…+27°

Precipitationrare

Why: comfortable +25…+26° by day, little rain, warm sea (+27…27°).

⚠️ Doable, with caveats

🌤️ Shoulder season: April, May, June, July, August, December

Daytime air+26…+28°

Sea temperature+27…+29°

Precipitationoften

Why: already/still hot (+26…+28°) but bearable; fewer crowds, lower prices.

🔴 Not the best time

🌤️ Shoulder season: September, October, November

Daytime air+27…+28°

Sea temperature+29…+30°

Precipitationoften

Why: the rainy season (102–130 mm/month) — downpours almost daily.

Bottom line: the best time to visit Gustavia is January – March, and the most comfortable months are January, February, March. The toughest months to visit are September, October, November: frequent rain.