World → Guinea-Bissau → Bissau

Weather in Bissau — today

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

Now in Bissau

🌦️

+26°

Drizzle

Feels like +33° · humidity 96%

Today 12.9: +30° / +26°

🕐 05:25

Wind

2 km/h

UV index

Air (AQI)

30 · Good

Precipitation

91%

Humidity

96%

Pressure

1011 hPa

Sunrise / sunset

06:52 / 19:05

Sea temperature

🌊 +31°

👕 What to wear today

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

☂️ Take an umbrellaFeels warmer by 7°

Weather for an activity:

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

Detailed weather information for Bissau

Today, 12 September, Saturday, in Bissau (Guinea-Bissau): cloudy, light rain in places, hot. During the day the air will warm up to +30°, at night around +26°. Due to high humidity it feels like +33°. Wind up to 16 km/h. High chance of rain — be sure to take an umbrella or a raincoat. Light summer clothing will do — a T-shirt and shorts or light trousers. The sea has warmed up to +31° — great for swimming. The sun will rise at 06:52 and set at 19:05 — daylight lasts 12 hours.

Hourly weather in Bissau

💧 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 Bissau 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

🌦️

💧 91%

+26° +30°

Morning

🌦️

+27°

Day

🌦️

+30°

Evening

🌇

+28°

Night

🌙

+26°

Drizzle · precipitation 91% · wind up to 16 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Tomorrow 13.9

🌦️

💧 91%

+25° +29°

Morning

🌤️

+26°

Day

🌦️

+29°

Evening

🌇

+28°

Night

🌙

+25°

Drizzle · precipitation 91% · wind up to 11 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Mon 14.9

⛈️

💧 98%

+25° +30°

Morning

⛈️

+27°

Day

⛈️

+30°

Evening

🌇

+29°

Night

🌙

+25°

Thunderstorm · precipitation 98% · wind up to 11 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Tue 15.9

🌦️

💧 89%

+25° +30°

Morning

🌦️

+27°

Day

🌦️

+30°

Evening

🌇

+29°

Night

🌙

+25°

Drizzle · precipitation 89% · wind up to 11 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Wed 16.9

⛈️

💧 58%

+26° +30°

Morning

⛈️

+27°

Day

⛈️

+30°

Evening

🌇

+29°

Night

🌙

+26°

Thunderstorm · precipitation 58% · wind up to 16 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Thu 17.9

⛈️

💧 69%

+24° +32°

Morning

⛈️

+27°

Day

⛈️

+32°

Evening

🌇

+30°

Night

🌙

+24°

Thunderstorm · precipitation 69% · wind up to 16 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.

▶

Fri 18.9

⛈️

💧 78%

+24° +31°

Morning

⛈️

+27°

Day

⛈️

+31°

Evening

🌇

+29°

Night

🌙

+24°

Thunderstorm · precipitation 78% · wind up to 9 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Sat 19.9

⛈️

💧 80%

+25° +31°

Morning

⛈️

+27°

Day

⛈️

+31°

Evening

🌇

+30°

Night

🌙

+25°

Thunderstorm · precipitation 80% · wind up to 11 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Sun 20.9

🌦️

💧 96%

+24° +28°

Morning

🌦️

+25°

Day

🌦️

+28°

Evening

🌇

+27°

Night

🌙

+24°

Drizzle · precipitation 96% · wind up to 10 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Mon 21.9

🌦️

💧 61%

+24° +29°

Morning

🌦️

+26°

Day

🌦️

+29°

Evening

🌇

+28°

Night

🌙

+24°

Drizzle · precipitation 61% · wind up to 9 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Tue 22.9

🌦️

💧 70%

+25° +30°

Morning

🌦️

+27°

Day

🌦️

+30°

Evening

🌇

+29°

Night

🌙

+25°

Drizzle · precipitation 70% · wind up to 11 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Wed 23.9

⛈️

💧 80%

+25° +29°

Morning

⛈️

+26°

Day

⛈️

+29°

Evening

🌇

+28°

Night

🌙

+25°

Thunderstorm · precipitation 80% · wind up to 14 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Thu 24.9

🌦️

💧 77%

+25° +27°

Morning

🌦️

+26°

Day

🌦️

+27°

Evening

🌇

+27°

Night

🌙

+25°

Rain showers · precipitation 77% · wind up to 24 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Fri 25.9

🌦️

💧 88%

+26° +29°

Morning

🌦️

+27°

Day

🌦️

+29°

Evening

🌇

+28°

Night

🌙

+26°

Drizzle · precipitation 88% · wind up to 16 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

22 / 100

for sea and sun · So-so

🏊 Swimming

0 / 100

water 31° · Bad

🏃 Running

0 / 100

comfort for running · Bad

🧴 UV

moderate · low

☂️ Rain

91%

likely · high

✨ Stars

24 / 100

evening visibility · So-so

🧺 Laundry drying

0 / 100

will dry outside · Bad

🚗 Car wash

0 / 100

better to wait · Bad

🌫️ Air quality

Good air

European AQI

PM2.5: 10PM10: 25O₃: 40NO₂: 3

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

🌅 Sun, moon and sea

Sunrise

06:52

Sunset

19:05

Golden hour

18:37

Daylight

12 h (-1 min vs yesterday)

Sea temperature

+31°

🌊 calm, waves 0.2 m.

Bissau 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.

+33°

+21°

Jan

+34°

+21°

Feb

+35°

+22°

Mar

+34°

+23°

Apr

+33°

+24°

May

+32°

+25°

Jun

+29°

+25°

Jul

+28°

+24°

Aug

+29°

+24°

Sep

+30°

+25°

Oct

+32°

+24°

Nov

+33°

+22°

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	+33°	+21°	+26°	0 mm	A hot, dry month: +33° daytime, warm pleasant evenings. ☀️ water and sunscreen. Water at +26° — great for swimming. Weather-wise, one of the three best months to visit.
February	+34°	+21°	+27°	1 mm	Hot (+34° by day) but dry — manageable with a sensible schedule. ☀️ water and sunscreen. Water at +27° — great for swimming.
March	+35°	+22°	+28°	0 mm	Up to +35° by day — hot, yet not muggy; mornings and evenings are pleasant. ☀️ water and sunscreen. Water at +28° — great for swimming. This is the hottest month of the year in Bissau.
April	+34°	+23°	+29°	0 mm	A hot, dry month: +34° daytime, warm pleasant evenings. ☀️ water and sunscreen. Water at +29° — great for swimming.
May	+33°	+24°	+29°	6 mm	Hot (+33° by day) but dry — manageable with a sensible schedule. ☀️ water and sunscreen. Water at +29° — great for swimming. Weather-wise, one of the three best months to visit.
June	+32°	+25°	+30°	86 mm	Gentle warmth — about +32° daytime, great walking weather. Frequent rain (86 mm over the month) — keep indoor backup plans. 😊 light summer clothing. The sea is +30° — like a warm bath. The longest daylight hours of the year — more time for everything.
July	+29°	+25°	+29°	345 mm	A comfortable month: +29° by day without exhausting heat. One of the wettest months (345 mm): downpours can derail plans. 😊 light summer clothing. Water at +29° — great for swimming.
August	+28°	+24°	+29°	446 mm	Warm and comfortable: +28° by day, +24° at night. It's a rainy month (446 mm) — an umbrella is a must. 😊 light summer clothing. Water at +29° — great for swimming. This is the coldest month of the year.
September	+29°	+24°	+30°	306 mm	Gentle warmth — about +29° daytime, great walking weather. Frequent rain (306 mm over the month) — keep indoor backup plans. 😊 light summer clothing. The sea is +30° — like a warm bath.
October	+30°	+25°	+30°	141 mm	A comfortable month: +30° by day without exhausting heat. One of the wettest months (141 mm): downpours can derail plans. 😊 light summer clothing. The sea is +30° — like a warm bath. The sea is at its warmest of the year this month.
November	+32°	+24°	+30°	23 mm	Warm and comfortable: +32° by day, +24° at night. 😊 light summer clothing. The sea is +30° — like a warm bath.
December	+33°	+22°	+27°	2 mm	Up to +33° by day — hot, yet not muggy; mornings and evenings are pleasant. ☀️ water and sunscreen. Water at +27° — great for swimming. The shortest daylight of the year — it gets dark early.

When to visit Bissau

✅ Recommended time to visit

🌟 Best time: January, May, December

Daytime air+33…+33°

Sea temperature+26…+29°

Precipitationalmost none

Why: comfortable +33…+33° by day, little rain, warm sea (+26…29°).

⚠️ Doable, with caveats

🌤️ Shoulder season: February, March, April, June, October, November

Daytime air+30…+35°

Sea temperature+27…+30°

Precipitationoften

Why: cool (+30…+35°) — not beach season, but great for city sights and museums.

🔴 Not the best time

🌤️ Shoulder season: July, August, September

Daytime air+28…+29°

Sea temperature+29…+30°

Precipitationoften

Why: the rainy season (306–446 mm/month) — downpours almost daily.

Bottom line: the best time to visit Bissau is January, May, December, and the most comfortable months are January, May, December. The toughest months to visit are July, August, September: frequent rain.