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
°C (c)

Whyalla 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), 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
Thu. 21, Aug.
partly cloudyPartly Cloudy
Temperature Icon21°/11°
Humidity Icon41%
Wind Icon37km/h
Fri. 22, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon21°/13°
Humidity Icon51%
Wind Icon28km/h
Sat. 23, Aug.
sunnySunny
Temperature Icon16°/10°
Humidity Icon76%
Wind Icon19km/h
Sun. 24, Aug.
sunnySunny
Temperature Icon23°/10°
Humidity Icon48%
Wind Icon28km/h
Mon. 25, Aug.
partly cloudyPartly Cloudy
Temperature Icon25°/16°
Humidity Icon33%
Wind Icon53km/h
Tue. 26, Aug.
moderate rainModerate rain
Temperature Icon16°/13°
Humidity Icon71%
Wind Icon29km/h
Wed. 27, Aug.
sunnySunny
Temperature Icon18°/9°
Humidity Icon58%
Wind Icon56km/h
Thu. 28, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon15°/10°
Humidity Icon77%
Wind Icon27km/h
Fri. 29, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon15°/9°
Humidity Icon69%
Wind Icon26km/h
Sat. 30, Aug.
sunnySunny
Temperature Icon18°/8°
Humidity Icon61%
Wind Icon23km/h
Sun. 31, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon17°/9°
Humidity Icon76%
Wind Icon30km/h
Mon. 1, Sep.
sunnySunny
Temperature Icon17°/8°
Humidity Icon69%
Wind Icon14km/h
Tue. 2, Sep.
sunnySunny
Temperature Icon22°/10°
Humidity Icon48%
Wind Icon26km/h
Wed. 3, Sep.
overcastOvercast
Temperature Icon27°/14°
Humidity Icon29%
Wind Icon60km/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
Wed. 10, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon21°/10°
Humidity Icon58%
Wind Icon21km/h
Thu. 11, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon23°/12°
Humidity Icon52%
Wind Icon27km/h
Sat. 13, Sep.
heavy rain at timesHeavy rain at times
Temperature Icon20°/11°
Humidity Icon59%
Wind Icon26km/h
Sun. 14, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon22°/11°
Humidity Icon57%
Wind Icon28km/h
Mon. 15, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon22°/11°
Humidity Icon58%
Wind Icon26km/h
Tue. 16, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon21°/12°
Humidity Icon58%
Wind Icon26km/h
Wed. 17, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon22°/11°
Humidity Icon55%
Wind Icon30km/h
Thu. 18, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon21°/11°
Humidity Icon58%
Wind Icon27km/h
Fri. 19, Sep.
heavy rain at timesHeavy rain at times
Temperature Icon22°/11°
Humidity Icon55%
Wind Icon26km/h
Sat. 20, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/12°
Humidity Icon61%
Wind Icon28km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onWed. 3, Sep.

26.6°C

Low will be onSat. 30, Aug.

7.6°C

HumidityHumidity

High will be onThu. 28, Aug.

77%

Low will be onWed. 3, Sep.

29%

Wind SpeedWind Speed

High will be onWed. 3, Sep.

60.1km/h

Low will be onMon. 1, Sep.

13.7km/h

PrecipitationPrecipitation

High will be onTue. 26, Aug.

7.9mm

Low will be onWed. 27, Aug.

0.01mm

Ultraviolet IndexUV

High will be onTue. 2, Sep.

6

Low will be onFri. 22, Aug.

0.8

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