Cotonou, Littoral, Benin Climate Change Severity

38
Moderate
The current climate change severity in Cotonou is Moderate, with a -9.2% improvement in the climate score compared to last 15 years. This suggests improved conditions, with more favorable environmental indicators and a reduction in negative impacts.
Data: Jan. to Jul. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Cotonou Weather Condition Changes (Historic Vs 2025)

2025
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2025

Over the past 15 year(s), Cotonou temperature has changed by around -0.7%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Jul. (Historical Vs 2025)

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
132
-84.6%
cloudyCloudy
1616
0%
rainyRainy
179143
-20.1%
snowySnowy
00
0%
mistyMisty
00
0%

Disclaimer: Other weather conditions not shown may affect the total day count.

Climate Change Indicators:

Over the past 15 years, Cotonou has experienced measurable improvements in key climate parameters, contributing to the current severity score of 38 (within the Moderate severity category). This suggests improving climate conditions compared to previous years. Here’s a breakdown of the specific changes observed:

Severity Score

38/100

Moderate

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Cotonou experienced significant changes:

Temperature change of

-0.1 °C

Variation in annual rainfall

-12.2 %

Change in average humidity

+2.5 %

PM2.5 levels surged by

-4.9 %

Heatwave changed by

-3.06 day(s)

Coldwave changed by

+0.1 day(s)

Wind speeds changed by

+3.09 km/h

These indicators show reduced climate volatility, offering a valuable window to reinforce sustainable practices and strengthen long-term climate resilience. As the severity shifts toward Moderate, it is important to maintain momentum in climate adaptation efforts.

Check how we calculate Climate Change Severity
Based on data from Jan. to Jul.

Cotonou Weather Forecast 30 Days (August - September 2025)
Cotonou, Littoral, Benin

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Fri. 8, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon25°/23°
Humidity Icon87%
Wind Icon28km/h
Sat. 9, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon25°/23°
Humidity Icon84%
Wind Icon21km/h
Sun. 10, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon25°/23°
Humidity Icon84%
Wind Icon21km/h
Mon. 11, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon25°/23°
Humidity Icon86%
Wind Icon23km/h
Tue. 12, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon25°/23°
Humidity Icon84%
Wind Icon20km/h
Wed. 13, Aug.
partly cloudyPartly Cloudy
Temperature Icon24°/23°
Humidity Icon85%
Wind Icon21km/h
Thu. 14, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon25°/23°
Humidity Icon82%
Wind Icon22km/h
Fri. 15, Aug.
sunnySunny
Temperature Icon26°/24°
Humidity Icon78%
Wind Icon25km/h
Sat. 16, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon25°/23°
Humidity Icon81%
Wind Icon25km/h
Sun. 17, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon25°/23°
Humidity Icon81%
Wind Icon24km/h
Mon. 18, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon25°/23°
Humidity Icon78%
Wind Icon22km/h
Tue. 19, Aug.
partly cloudyPartly Cloudy
Temperature Icon25°/23°
Humidity Icon79%
Wind Icon27km/h
Wed. 20, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon24°/23°
Humidity Icon79%
Wind Icon27km/h
Thu. 21, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon25°/23°
Humidity Icon77%
Wind Icon28km/h
Fri. 22, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/24°
Humidity Icon85%
Wind Icon21km/h
Sat. 23, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/24°
Humidity Icon84%
Wind Icon21km/h
Sun. 24, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/24°
Humidity Icon84%
Wind Icon20km/h
Mon. 25, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/24°
Humidity Icon84%
Wind Icon21km/h
Tue. 26, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/24°
Humidity Icon84%
Wind Icon20km/h
Wed. 27, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/24°
Humidity Icon84%
Wind Icon21km/h
Thu. 28, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/24°
Humidity Icon83%
Wind Icon20km/h
Fri. 29, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/24°
Humidity Icon84%
Wind Icon20km/h
Sat. 30, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/24°
Humidity Icon84%
Wind Icon21km/h
Sun. 31, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/24°
Humidity Icon83%
Wind Icon22km/h
Mon. 1, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/24°
Humidity Icon85%
Wind Icon20km/h
Tue. 2, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/24°
Humidity Icon84%
Wind Icon20km/h
Wed. 3, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/24°
Humidity Icon83%
Wind Icon19km/h
Thu. 4, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/24°
Humidity Icon84%
Wind Icon21km/h
Fri. 5, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/24°
Humidity Icon84%
Wind Icon21km/h
Sat. 6, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/24°
Humidity Icon84%
Wind Icon19km/h
Sun. 7, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/24°
Humidity Icon84%
Wind Icon19km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSun. 31, Aug.

27.4°C

Low will be onMon. 18, Aug.

22.5°C

HumidityHumidity

High will be onFri. 8, Aug.

87%

Low will be onThu. 21, Aug.

77%

Wind SpeedWind Speed

High will be onThu. 21, Aug.

28.1km/h

Low will be onSat. 6, Sep.

18.7km/h

PrecipitationPrecipitation

High will be onTue. 2, Sep.

9.8mm

Low will be onFri. 15, Aug.

0.01mm

Ultraviolet IndexUV

High will be onWed. 13, Aug.

6

Low will be onFri. 8, Aug.

1.8

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