Cape Town, Western Cape, South Africa Climate Change Severity

43
High
The current climate change severity in Cape Town is High, with a 0.4% worsening in the climate score compared to last 15 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.
Data: Jan. to Aug. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100


Cape Town Weather Condition Changes (Historic Vs 2025)

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

Over the past 15 year(s), Cape Town temperature has changed by around +1.1%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
10178
-22.7%

cloudyCloudy
6039
-35%

rainyRainy
6559
-9.2%

snowySnowy
00
0%

mistyMisty
01
100%

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

Climate Change Indicators:

Over the past 15 years, Cape Town has experienced measurable shifts in key climate parameters, contributing to the current severity score of 43 (within the High severity category). This suggests worsening climate conditions from the previous years. Here’s a breakdown of the specific changes observed:

Severity Score

43/100


High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Cape Town experienced significant changes:

Temperature change of

+0.1 °C


Variation in annual rainfall

+7.4 %


Change in average humidity

-2.5 %


PM2.5 levels surged by

-46.7 %


Heatwave changed by

+2.6 day(s)


Coldwave changed by

-1.3 day(s)


Wind speeds changed by

-2.4 km/h


These indicators show that Cape Town is experiencing a more volatile and extreme climate, reinforcing the need for urgent intervention to mitigate risks. As the severity score rises, focus must shift to adaptation and emergency preparedness.

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

Cape Town Weather Forecast 30 Days (September - October 2025)
Cape Town, Western Cape, South Africa


Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Sat. 27, Sep.
sunnySunny

Temperature Icon23°/13°

Humidity Icon68%

Wind Icon18km/h
Sun. 28, Sep.
sunnySunny

Temperature Icon21°/12°

Humidity Icon77%

Wind Icon30km/h
Mon. 29, Sep.
sunnySunny

Temperature Icon24°/13°

Humidity Icon69%

Wind Icon19km/h
Tue. 30, Sep.
partly cloudyPartly Cloudy

Temperature Icon29°/14°

Humidity Icon53%

Wind Icon13km/h
Wed. 1, Oct.
patchy rain possiblePatchy rain nearby

Temperature Icon18°/10°

Humidity Icon71%

Wind Icon26km/h
Thu. 2, Oct.
sunnySunny

Temperature Icon19°/10°

Humidity Icon60%

Wind Icon30km/h
Fri. 3, Oct.
patchy rain possiblePatchy rain nearby

Temperature Icon17°/9°

Humidity Icon76%

Wind Icon25km/h
Sat. 4, Oct.
sunnySunny

Temperature Icon21°/9°

Humidity Icon76%

Wind Icon18km/h
Sun. 5, Oct.
patchy rain possiblePatchy rain nearby

Temperature Icon17°/12°

Humidity Icon80%

Wind Icon14km/h
Mon. 6, Oct.
patchy rain possiblePatchy rain nearby

Temperature Icon16°/12°

Humidity Icon72%

Wind Icon21km/h
Tue. 7, Oct.
partly cloudyPartly Cloudy

Temperature Icon18°/9°

Humidity Icon72%

Wind Icon24km/h
Wed. 8, Oct.
sunnySunny

Temperature Icon20°/11°

Humidity Icon72%

Wind Icon29km/h
Thu. 9, Oct.
sunnySunny

Temperature Icon23°/11°

Humidity Icon62%

Wind Icon29km/h
Fri. 10, Oct.
sunnySunny

Temperature Icon25°/12°

Humidity Icon64%

Wind Icon18km/h
Sat. 11, Oct.
moderate rain at timesModerate rain at times

Temperature Icon20°/11°

Humidity Icon74%

Wind Icon20km/h
Sun. 12, Oct.
moderate rain at timesModerate rain at times

Temperature Icon19°/11°

Humidity Icon75%

Wind Icon21km/h
Mon. 13, Oct.
patchy rain possiblePatchy rain possible

Temperature Icon21°/11°

Humidity Icon73%

Wind Icon21km/h
Tue. 14, Oct.
moderate rain at timesModerate rain at times

Temperature Icon21°/12°

Humidity Icon74%

Wind Icon23km/h
Wed. 15, Oct.
heavy rain at timesHeavy rain at times

Temperature Icon19°/12°

Humidity Icon76%

Wind Icon24km/h
Thu. 16, Oct.
moderate rain at timesModerate rain at times

Temperature Icon20°/11°

Humidity Icon72%

Wind Icon21km/h
Fri. 17, Oct.
patchy rain possiblePatchy rain possible

Temperature Icon21°/12°

Humidity Icon74%

Wind Icon19km/h
Sat. 18, Oct.
patchy rain possiblePatchy rain possible

Temperature Icon21°/12°

Humidity Icon75%

Wind Icon23km/h
Sun. 19, Oct.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon22°/12°

Humidity Icon75%

Wind Icon22km/h
Mon. 20, Oct.
patchy rain possiblePatchy rain possible

Temperature Icon22°/12°

Humidity Icon74%

Wind Icon23km/h
Tue. 21, Oct.
moderate rain at timesModerate rain at times

Temperature Icon21°/12°

Humidity Icon74%

Wind Icon25km/h
Wed. 22, Oct.
moderate rain at timesModerate rain at times

Temperature Icon23°/12°

Humidity Icon71%

Wind Icon23km/h
Thu. 23, Oct.
heavy rain at timesHeavy rain at times

Temperature Icon22°/13°

Humidity Icon73%

Wind Icon23km/h
Fri. 24, Oct.
patchy rain possiblePatchy rain possible

Temperature Icon22°/13°

Humidity Icon73%

Wind Icon19km/h
Sat. 25, Oct.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon21°/13°

Humidity Icon76%

Wind Icon23km/h
Sun. 26, Oct.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon23°/13°

Humidity Icon74%

Wind Icon22km/h
Mon. 27, Oct.
heavy rain at timesHeavy rain at times

Temperature Icon22°/13°

Humidity Icon74%

Wind Icon24km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onTue. 30, Sep.

28.8°C


Low will be onFri. 3, Oct.

9.1°C

HumidityHumidity

High will be onSun. 5, Oct.

80%


Low will be onTue. 30, Sep.

53%

Wind SpeedWind Speed

High will be onSun. 28, Sep.

29.9km/h


Low will be onTue. 30, Sep.

13.3km/h

PrecipitationPrecipitation

High will be onSun. 19, Oct.

3.4mm


Low will be onThu. 2, Oct.

0.02mm

Ultraviolet IndexUV

High will be onSat. 4, Oct.

6


Low will be onSat. 27, Sep.

1.5