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Cotonou weather

Littoral · 679,012 inhabitants · Thursday, October 29 · updated 19:34

Raining now Air: Good Moderate storm risk · Today, Tomorrow, Mon

28°

Clear sky

Feels like 40°C

Wind

22 km/h

Gusts

22 km/h

Humidity

80 %

Pressure

1010 hPa

Clouds

0 %

Storm

Rise 06:36 Set 18:31 Day 11 h 54 min UV 10 · Very high

Morning, afternoon, evening

Trend

Evening

Rain showers

29°28°

Feels like 41°

Wind ↑ SSW 24 km/h

Humidity 82 %

💧 1.2 mm

⚡ storm

19:00

29°

0.4mm

SSW 19

22:00

28°

0.8mm

SSW 24

Cotonou 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)

Cotonou climate: what a normal year looks like

The thermometer moves little from one season to the next: typical afternoon highs range from 27 °C in August to 31 °C in March, and the coolest nights (August) average 23 °C.

A normal year brings roughly 1,400 mm of rain — more than 72% of the towns of 20,000+ people we compared it with.

Days are almost the same length all year: 12 h 29 min of daylight in late June, 11 h 45 min in late December.

Forecast highs for the coming week average 28 °C, 1 °C cooler than a normal October (29 °C).

30-year averages (1991–2020)
Month	Typical high	Typical low	Rainfall
Jan	30 °C	25 °C	34 mm
Feb	31 °C	26 °C	47 mm
Mar	31 °C	26 °C	81 mm
Apr	30 °C	26 °C	106 mm
May	30 °C	25 °C	183 mm
Jun	28 °C	25 °C	238 mm
Jul	27 °C	24 °C	149 mm
Aug	27 °C	23 °C	110 mm
Sep	28 °C	24 °C	156 mm
Oct	29 °C	24 °C	167 mm
Nov	30 °C	25 °C	86 mm
Dec	30 °C	25 °C	44 mm
Whole year	29 °C	25 °C	1,400 mm

Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 6.37° N, 2.42° E, 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 Cotonou: pollution and pollen

1/6

Good

European Air Quality Index (EAQI), from Copernicus CAMS

PM2.55µg/m³

PM107µg/m³

Copernicus CAMS model, updated several times a day.

Rain radar around Cotonou

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

Full-screen rain radar and next-hour rain on RainAtlas

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

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

Moon over Cotonou

Waning gibbous

87 % illuminated · 18.3 days

Rise 07:35 Set 20:43

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/Porto-Novo); phase and lit fraction from a synodic calculation.

Look up a past day in Cotonou

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

Cotonou weather at a glance

This page gathers everything about the weather in Cotonou, Littoral: conditions now, the forecast for each part of the day and the trend for the coming week. At the moment the sky is “clear sky”, it is 28 °C (feels like 40 °C) and the wind blows at 22 km/h.

Expected range today: 28 °C to 29 °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

Abomey-Calavi 12 km 31°

Cotonou weather data for developers

Use the Cotonou 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