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
Sat. 2, Aug.
partly cloudyPartly Cloudy
Temperature Icon26°/24°
Humidity Icon83%
Wind Icon22km/h
Sun. 3, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon25°/24°
Humidity Icon88%
Wind Icon22km/h
Mon. 4, Aug.
moderate rainModerate rain
Temperature Icon25°/24°
Humidity Icon88%
Wind Icon26km/h
Tue. 5, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon26°/23°
Humidity Icon83%
Wind Icon25km/h
Wed. 6, Aug.
overcastOvercast
Temperature Icon26°/24°
Humidity Icon81%
Wind Icon23km/h
Thu. 7, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon24°/24°
Humidity Icon83%
Wind Icon26km/h
Fri. 8, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon25°/23°
Humidity Icon83%
Wind Icon28km/h
Sat. 9, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon25°/23°
Humidity Icon82%
Wind Icon20km/h
Sun. 10, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon25°/23°
Humidity Icon82%
Wind Icon21km/h
Mon. 11, Aug.
partly cloudyPartly Cloudy
Temperature Icon25°/23°
Humidity Icon78%
Wind Icon22km/h
Tue. 12, Aug.
partly cloudyPartly Cloudy
Temperature Icon25°/22°
Humidity Icon78%
Wind Icon24km/h
Wed. 13, Aug.
partly cloudyPartly Cloudy
Temperature Icon25°/23°
Humidity Icon76%
Wind Icon23km/h
Thu. 14, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon24°/23°
Humidity Icon79%
Wind Icon23km/h
Fri. 15, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon25°/23°
Humidity Icon80%
Wind Icon23km/h
Sat. 16, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/24°
Humidity Icon83%
Wind Icon21km/h
Sun. 17, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/24°
Humidity Icon83%
Wind Icon20km/h
Mon. 18, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/24°
Humidity Icon83%
Wind Icon20km/h
Tue. 19, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/24°
Humidity Icon83%
Wind Icon20km/h
Wed. 20, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/24°
Humidity Icon83%
Wind Icon21km/h
Thu. 21, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/24°
Humidity Icon85%
Wind Icon20km/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

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSun. 31, Aug.

27.4°C

Low will be onTue. 12, Aug.

22.4°C

HumidityHumidity

High will be onSun. 3, Aug.

88%

Low will be onWed. 13, Aug.

76%

Wind SpeedWind Speed

High will be onFri. 8, Aug.

28.4km/h

Low will be onMon. 18, Aug.

19.8km/h

PrecipitationPrecipitation

High will be onThu. 21, Aug.

12.9mm

Low will be onWed. 6, Aug.

0.01mm

Ultraviolet IndexUV

High will be onMon. 11, Aug.

6

Low will be onSat. 2, Aug.

1

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