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Bissau weather

Bissau · 439,704 inhabitants · Thursday, October 29 · updated 17:13

Rain around 18:03 Air: Very poor Moderate storm risk · Today, Tomorrow, Sat

29°

Rain showers

Feels like 39°C

Wind

14 km/h

Gusts

14 km/h

Humidity

71 %

Pressure

1011 hPa

Clouds

2 %

Storm

Moderate

Rise 06:54 Set 18:38 Day 11 h 43 min UV 9 · Very high

Morning, afternoon, evening

Trend

Afternoon

Rain showers

31°29°

Feels like 45°

Wind ↑ SW 14 km/h

Humidity 72 %

💧 0.5 mm

⚡ storm

Evening

Rain showers

30°28°

Feels like 43°

Wind ↑ WSW 16 km/h

Humidity 75 %

💧 0.6 mm

⚡ storm

18:00

30°

0.5mm

WSW 9

21:00

28°

0.1mm

WSW 16

Bissau forecast in charts · next 7 days

The week ahead: highs and lows

≈ A week close to the usual temperatures

Highs Lows Usual for the season (1991–2020 average)

Hourly detail

Temperature (°C) Rain (mm) Wind (km/h)

Bissau climate: what a normal year looks like

The wet season is concentrated from July to September, which brings 81% of the annual total; August by itself averages 450 mm.

Ranked against the 12 towns of 20,000+ people in Guinea-Bissau, Bissau has the third highest yearly rainfall.

The thermometer moves little from one season to the next: typical afternoon highs range from 29 °C in August to 35 °C in April, and the coolest nights (January) average 20 °C.

From December to May, rain is scarce: under 10 mm a month on average.

Forecast highs for the coming week average 31 °C, 1 °C cooler than a normal October (32 °C).

30-year averages (1991–2020)
Month	Typical high	Typical low	Rainfall
Jan	33 °C	20 °C	1 mm
Feb	34 °C	21 °C	1 mm
Mar	35 °C	23 °C	0 mm
Apr	35 °C	24 °C	0 mm
May	34 °C	25 °C	6 mm
Jun	32 °C	26 °C	89 mm
Jul	30 °C	25 °C	345 mm
Aug	29 °C	24 °C	450 mm
Sep	30 °C	25 °C	311 mm
Oct	32 °C	25 °C	144 mm
Nov	33 °C	24 °C	23 mm
Dec	33 °C	21 °C	2 mm
Whole year	32 °C	23 °C	1,370 mm

Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 11.86° N, 15.60° W, 1991–2020. ERA5 averages over a 0.25° grid (about 25 km): hills, a coastline or the heat of the city itself can shift local values by a degree or two.

Air you breathe in Bissau: pollution and pollen

5/6

Very poor

European Air Quality Index (EAQI), from Copernicus CAMS

PM2.558µg/m³

PM1092µg/m³

Copernicus CAMS model, updated several times a day.

Rain radar around Bissau

Rain observed over the last two hours by official weather radars around Bissau, followed by the radar forecast for the next hour where the weather service provides one.

Rain radar Last two hours, then forecast where available · drag the timeline

No open weather radar covers Bissau yet: the map shows our hour-by-hour rain forecast (ICON, GFS).

Moon over Bissau

Waning gibbous

87 % illuminated · 18.3 days

Rise 09:37 Set 23:11

Fri 30/10 79%

Sat 31/10 69%

Sun 1/11 59%

Mon 2/11 49% Last quarter

Tue 3/11 38%

Wed 4/11 28%

Thu 5/11 19%

Fri 6/11 12%

Sat 7/11 6%

Sun 8/11 2%

Mon 9/11 0%

Tue 10/11 1% New moon

Moonrise and moonset in local time (Africa/Bissau); phase and lit fraction from a synodic calculation.

Look up a past day in Bissau

Curious about the weather in Bissau on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.

Bissau weather at a glance

This page gathers everything about the weather in Bissau, Bissau: conditions now, the forecast for each part of the day and the trend for the coming week. At the moment the sky is “rain showers”, it is 29 °C (feels like 39 °C) and the wind blows at 14 km/h.

Expected range today: 27 °C to 31 °C and around 1 mm of rain; keep an eye on thunderstorms. The forecast comes from the AtmoAtlas engine, which combines ECMWF-AIFS, NOAA GFS and DWD ICON, adjusts cloud cover with METAR reports and uses convective energy (CAPE) to flag storms.

Other big cities nearby

Serekunda 211 km 30°

Bissau weather data for developers

Use the Bissau forecast in your own website or app: one JSON call returns weather, air quality, tides and sun and moon times. The free key needs no card.

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Where does this forecast come from? Our engine, checked every day against 1125 weather stations