Whyalla, South Australia, Australia Climate Change Severity

48
High
The current climate change severity in Whyalla is High, with a 9.5% 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 Jul. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100


Whyalla Weather Condition Changes (Historic Vs 2025)

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

Over the past 15 year(s), Whyalla temperature has changed by around +2.8%, 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
7381
10.9%

cloudyCloudy
6353
-15.8%

rainyRainy
5132
-37.2%

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, Whyalla has experienced measurable shifts in key climate parameters, contributing to the current severity score of 48 (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

48/100


High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Whyalla experienced significant changes:

Temperature change of

+0.5 °C


Variation in annual rainfall

-39.01 %


Change in average humidity

-4.6 %


PM2.5 levels surged by

+10.7 %


Heatwave changed by

-2.1 day(s)


Coldwave changed by

-1.9 day(s)


Wind speeds changed by

+3.4 km/h


These indicators show that Whyalla 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 Jul.

Whyalla Weather Forecast 30 Days (August - September 2025)
Whyalla, South Australia, Australia


Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Sun. 10, Aug.
patchy rain possiblePatchy rain nearby

Temperature Icon19°/11°

Humidity Icon72%

Wind Icon23km/h
Mon. 11, Aug.
patchy rain possiblePatchy rain nearby

Temperature Icon21°/11°

Humidity Icon65%

Wind Icon32km/h
Tue. 12, Aug.
patchy rain possiblePatchy rain nearby

Temperature Icon15°/11°

Humidity Icon76%

Wind Icon25km/h
Wed. 13, Aug.
sunnySunny

Temperature Icon16°/9°

Humidity Icon75%

Wind Icon18km/h
Thu. 14, Aug.
sunnySunny

Temperature Icon20°/10°

Humidity Icon59%

Wind Icon29km/h
Fri. 15, Aug.
partly cloudyPartly Cloudy

Temperature Icon18°/11°

Humidity Icon52%

Wind Icon36km/h
Sat. 16, Aug.
partly cloudyPartly Cloudy

Temperature Icon13°/8°

Humidity Icon60%

Wind Icon27km/h
Sun. 17, Aug.
cloudyCloudy

Temperature Icon13°/7°

Humidity Icon59%

Wind Icon15km/h
Mon. 18, Aug.
partly cloudyPartly Cloudy

Temperature Icon16°/7°

Humidity Icon54%

Wind Icon16km/h
Tue. 19, Aug.
overcastOvercast

Temperature Icon13°/10°

Humidity Icon47%

Wind Icon19km/h
Wed. 20, Aug.
partly cloudyPartly Cloudy

Temperature Icon22°/10°

Humidity Icon39%

Wind Icon35km/h
Thu. 21, Aug.
patchy rain possiblePatchy rain nearby

Temperature Icon21°/13°

Humidity Icon43%

Wind Icon45km/h
Fri. 22, Aug.
sunnySunny

Temperature Icon19°/10°

Humidity Icon67%

Wind Icon13km/h
Sat. 23, Aug.
moderate rainModerate rain

Temperature Icon19°/11°

Humidity Icon78%

Wind Icon48km/h
Sun. 24, Aug.
sunnySunny

Temperature Icon17°/8°

Humidity Icon64%

Wind Icon34km/h
Mon. 25, Aug.
patchy rain possiblePatchy rain possible

Temperature Icon17°/9°

Humidity Icon64%

Wind Icon21km/h
Tue. 26, Aug.
patchy rain possiblePatchy rain possible

Temperature Icon17°/9°

Humidity Icon66%

Wind Icon18km/h
Wed. 27, Aug.
patchy rain possiblePatchy rain possible

Temperature Icon19°/9°

Humidity Icon61%

Wind Icon22km/h
Thu. 28, Aug.
heavy rain at timesHeavy rain at times

Temperature Icon19°/10°

Humidity Icon59%

Wind Icon21km/h
Fri. 29, Aug.
moderate rain at timesModerate rain at times

Temperature Icon19°/11°

Humidity Icon58%

Wind Icon29km/h
Sat. 30, Aug.
moderate rain at timesModerate rain at times

Temperature Icon19°/10°

Humidity Icon57%

Wind Icon25km/h
Sun. 31, Aug.
patchy rain possiblePatchy rain possible

Temperature Icon20°/10°

Humidity Icon57%

Wind Icon24km/h
Mon. 1, Sep.
heavy rain at timesHeavy rain at times

Temperature Icon20°/11°

Humidity Icon59%

Wind Icon23km/h
Tue. 2, Sep.
patchy rain possiblePatchy rain possible

Temperature Icon22°/12°

Humidity Icon55%

Wind Icon30km/h
Wed. 3, Sep.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon20°/11°

Humidity Icon58%

Wind Icon28km/h
Thu. 4, Sep.
patchy rain possiblePatchy rain possible

Temperature Icon19°/11°

Humidity Icon58%

Wind Icon27km/h
Fri. 5, Sep.
patchy rain possiblePatchy rain possible

Temperature Icon19°/10°

Humidity Icon61%

Wind Icon23km/h
Sat. 6, Sep.
patchy rain possiblePatchy rain possible

Temperature Icon19°/10°

Humidity Icon58%

Wind Icon26km/h
Sun. 7, Sep.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon19°/10°

Humidity Icon59%

Wind Icon28km/h
Mon. 8, Sep.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon21°/11°

Humidity Icon60%

Wind Icon29km/h
Tue. 9, Sep.
moderate rain at timesModerate rain at times

Temperature Icon19°/11°

Humidity Icon62%

Wind Icon25km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onTue. 2, Sep.

22°C


Low will be onMon. 18, Aug.

6.5°C

HumidityHumidity

High will be onSat. 23, Aug.

78%


Low will be onWed. 20, Aug.

39%

Wind SpeedWind Speed

High will be onSat. 23, Aug.

47.5km/h


Low will be onFri. 22, Aug.

12.6km/h

PrecipitationPrecipitation

High will be onSat. 23, Aug.

5.5mm


Low will be onFri. 15, Aug.

0.01mm

Ultraviolet IndexUV

High will be onWed. 20, Aug.

6


Low will be onSun. 10, Aug.

0.7