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Weather in Cayenne — today

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

Now in Cayenne

🌙

+25°

Mostly clear

Feels like +29° · humidity 88%

Today 12.9: +33° / +24°

🕐 02:25

Wind

8 km/h

UV index

Air (AQI)

22 · Good

Precipitation

Humidity

88%

Pressure

1011 hPa

Sunrise / sunset

06:21 / 18:30

Sea temperature

🌊 +30°

👕 What to wear today

Hot — light breathable clothing, a hat, plenty of water.

Feels warmer by 4°

Weather for an activity:

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

Detailed weather information for Cayenne

Today, 12 September, Saturday, in Cayenne (French Guiana): partly cloudy, hot. During the day the air will warm up to +33°, at night around +24°. Due to the wind it feels like +29°. Wind up to 21 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 +30° — great for swimming. The sun will rise at 06:21 and set at 18:30 — daylight lasts 12 hours.

Hourly weather in Cayenne

💧 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 Cayenne 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

☁️

💧 6%

+24° +33°

Morning

⛅

+27°

Day

☁️

+33°

Evening

🌇

+28°

Night

🌙

+24°

Overcast · precipitation 6% · wind up to 21 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.

▶

Tomorrow 13.9

🌦️

💧 24%

+24° +31°

Morning

🌤️

+28°

Day

🌦️

+31°

Evening

🌇

+25°

Night

🌙

+24°

Drizzle · precipitation 24% · wind up to 17 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Mon 14.9

🌦️

💧 29%

+24° +31°

Morning

🌦️

+27°

Day

🌦️

+31°

Evening

🌇

+29°

Night

🌙

+24°

Drizzle · precipitation 29% · wind up to 15 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Tue 15.9

☁️

💧 41%

+23° +32°

Morning

☁️

+26°

Day

☁️

+32°

Evening

🌇

+30°

Night

🌙

+23°

Overcast · precipitation 41% · wind up to 17 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.

▶

Wed 16.9

⛅

💧 22%

+25° +32°

Morning

⛅

+28°

Day

⛅

+32°

Evening

🌇

+30°

Night

🌙

+25°

Partly cloudy · precipitation 22% · wind up to 17 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.

▶

Thu 17.9

🌦️

💧 35%

+26° +31°

Morning

🌦️

+28°

Day

🌦️

+31°

Evening

🌇

+30°

Night

🌙

+26°

Drizzle · precipitation 35% · wind up to 18 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Fri 18.9

🌦️

💧 25%

+26° +32°

Morning

🌦️

+28°

Day

🌦️

+32°

Evening

🌇

+31°

Night

🌙

+26°

Drizzle · precipitation 25% · wind up to 20 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.

▶

Sat 19.9

🌤️

💧 42%

+26° +31°

Morning

🌤️

+28°

Day

🌤️

+31°

Evening

🌇

+30°

Night

🌙

+26°

Mostly clear · precipitation 42% · wind up to 20 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Sun 20.9

🌦️

💧 27%

+26° +30°

Morning

🌦️

+27°

Day

🌦️

+30°

Evening

🌇

+29°

Night

🌙

+26°

Drizzle · precipitation 27% · wind up to 17 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Mon 21.9

🌦️

💧 45%

+25° +30°

Morning

🌦️

+27°

Day

🌦️

+30°

Evening

🌇

+29°

Night

🌙

+25°

Rain showers · precipitation 45% · wind up to 14 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Tue 22.9

🌦️

💧 53%

+25° +29°

Morning

🌦️

+26°

Day

🌦️

+29°

Evening

🌇

+28°

Night

🌙

+25°

Drizzle · precipitation 53% · wind up to 13 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Wed 23.9

🌦️

💧 41%

+27° +30°

Morning

🌦️

+28°

Day

🌦️

+30°

Evening

🌇

+29°

Night

🌙

+27°

Drizzle · precipitation 41% · wind up to 15 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Thu 24.9

🌦️

💧 29%

+26° +30°

Morning

🌦️

+27°

Day

🌦️

+30°

Evening

🌇

+29°

Night

🌙

+26°

Drizzle · precipitation 29% · wind up to 14 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Fri 25.9

☁️

💧 25%

+26° +31°

Morning

☁️

+28°

Day

☁️

+31°

Evening

🌇

+30°

Night

🌙

+26°

Overcast · precipitation 25% · wind up to 17 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

75 / 100

for sea and sun · Good

🏊 Swimming

70 / 100

water 30° · Good

🏃 Running

40 / 100

comfort for running · Average

🧴 UV

moderate · low

☂️ Rain

unlikely · low

✨ Stars

84 / 100

evening visibility · Excellent

🧺 Laundry drying

51 / 100

will dry outside · Average

🚗 Car wash

88 / 100

no rain expected · Excellent

🌫️ Air quality

Good air

European AQI

PM2.5: 6PM10: 9O₃: 47NO₂: 1

The air is clean — you can walk and exercise outside.

🌅 Sun, moon and sea

Sunrise

06:21

Sunset

18:30

Golden hour

18:03

Daylight

12 h (+0 min vs yesterday)

Sea temperature

+30°

🌊 slight, waves 0.8 m.

Cayenne 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.

+28°

+23°

Jan

+28°

+23°

Feb

+28°

+24°

Mar

+28°

+24°

Apr

+28°

+24°

May

+28°

+23°

Jun

+29°

+23°

Jul

+30°

+24°

Aug

+31°

+24°

Sep

+31°

+24°

Oct

+30°

+24°

Nov

+28°

+24°

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	+28°	+23°	+28°	249 mm	A comfortable month: +28° by day without exhausting heat. One of the wettest months (249 mm): downpours can derail plans. 😊 light summer clothing. Water at +28° — great for swimming.
February	+28°	+23°	+28°	203 mm	Warm and comfortable: +28° by day, +23° at night. It's a rainy month (203 mm) — an umbrella is a must. 😊 light summer clothing. Water at +28° — great for swimming. This is the coldest month of the year.
March	+28°	+24°	+28°	169 mm	Gentle warmth — about +28° daytime, great walking weather. Frequent rain (169 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Water at +28° — great for swimming.
April	+28°	+24°	+28°	258 mm	A comfortable month: +28° by day without exhausting heat. One of the wettest months (258 mm): downpours can derail plans. 😊 light summer clothing. Water at +28° — great for swimming.
May	+28°	+24°	+29°	396 mm	Warm and comfortable: +28° by day, +24° at night. It's a rainy month (396 mm) — an umbrella is a must. 😊 light summer clothing. Water at +29° — great for swimming. Statistically the wettest month of the year.
June	+28°	+23°	+29°	367 mm	Gentle warmth — about +28° daytime, great walking weather. Frequent rain (367 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Water at +29° — great for swimming. The longest daylight hours of the year — more time for everything.
July	+29°	+23°	+30°	242 mm	A comfortable month: +29° by day without exhausting heat. One of the wettest months (242 mm): downpours can derail plans. 😊 light summer clothing. The sea is +30° — like a warm bath.
August	+30°	+24°	+30°	122 mm	Warm and comfortable: +30° by day, +24° at night. It's a rainy month (122 mm) — an umbrella is a must. 😊 light summer clothing. The sea is +30° — like a warm bath. Weather-wise, one of the three best months to visit.
September	+31°	+24°	+30°	51 mm	Gentle warmth — about +31° daytime, great walking weather. 😊 light summer clothing. The sea is +30° — like a warm bath. The sea is at its warmest of the year this month.
October	+31°	+24°	+30°	58 mm	A comfortable month: +31° by day without exhausting heat. 😊 light summer clothing. The sea is +30° — like a warm bath. This is the hottest month of the year in Cayenne.
November	+30°	+24°	+30°	150 mm	Warm and comfortable: +30° by day, +24° at night. It's a rainy month (150 mm) — an umbrella is a must. 😊 light summer clothing. The sea is +30° — like a warm bath.
December	+28°	+24°	+29°	264 mm	Gentle warmth — about +28° daytime, great walking weather. Frequent rain (264 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Water at +29° — great for swimming. The shortest daylight of the year — it gets dark early.

When to visit Cayenne

✅ Recommended time to visit

🌟 Best time: August, September, October

Daytime air+30…+31°

Sea temperature+30…+30°

Precipitationoften

Why: comfortable +30…+31° by day, little rain, warm sea (+30…30°).

⚠️ Doable, with caveats

🌤️ Shoulder season: January, February, March, April, May, November

Daytime air+28…+30°

Sea temperature+28…+30°

Precipitationoften

Why: noticeable rain risk (150–396 mm/month) — pack an umbrella and backup plans.

🔴 Not the best time

🌤️ Shoulder season: June, July, December

Daytime air+28…+29°

Sea temperature+29…+30°

Precipitationoften

Why: the rainy season (242–367 mm/month) — downpours almost daily.

Bottom line: the best time to visit Cayenne is August – October, and the most comfortable months are August, September, October. The toughest months to visit are June, July, December: frequent rain.