Whyalla, South Australia, Australia Climate Change Severity

48
High
The current climate change severity in Whyalla is High, with a 9.7% 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
°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 +2.4%, 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
8185
4.9%
cloudyCloudy
7263
-12.5%
rainyRainy
6242
-32.2%
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

+0.4 °C

Variation in annual rainfall

-36.1 %

Change in average humidity

-4.1 %

PM2.5 levels surged by

-1.3 %

Heatwave changed by

-2.6 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 Aug.

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

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Mon. 29, Sep.
partly cloudyPartly Cloudy
Temperature Icon31°/15°
Humidity Icon40%
Wind Icon53km/h
Tue. 30, Sep.
sunnySunny
Temperature Icon20°/11°
Humidity Icon57%
Wind Icon40km/h
Wed. 1, Oct.
partly cloudyPartly Cloudy
Temperature Icon21°/9°
Humidity Icon61%
Wind Icon38km/h
Thu. 2, Oct.
sunnySunny
Temperature Icon19°/11°
Humidity Icon59%
Wind Icon33km/h
Fri. 3, Oct.
sunnySunny
Temperature Icon21°/9°
Humidity Icon56%
Wind Icon16km/h
Sat. 4, Oct.
sunnySunny
Temperature Icon30°/14°
Humidity Icon33%
Wind Icon31km/h
Sun. 5, Oct.
sunnySunny
Temperature Icon34°/19°
Humidity Icon20%
Wind Icon40km/h
Mon. 6, Oct.
sunnySunny
Temperature Icon36°/18°
Humidity Icon37%
Wind Icon44km/h
Tue. 7, Oct.
partly cloudyPartly Cloudy
Temperature Icon24°/16°
Humidity Icon77%
Wind Icon40km/h
Wed. 8, Oct.
sunnySunny
Temperature Icon20°/14°
Humidity Icon68%
Wind Icon35km/h
Thu. 9, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon17°/14°
Humidity Icon72%
Wind Icon29km/h
Fri. 10, Oct.
sunnySunny
Temperature Icon21°/11°
Humidity Icon56%
Wind Icon33km/h
Sat. 11, Oct.
sunnySunny
Temperature Icon19°/10°
Humidity Icon59%
Wind Icon20km/h
Sun. 12, Oct.
sunnySunny
Temperature Icon28°/12°
Humidity Icon46%
Wind Icon18km/h
Mon. 13, Oct.
sunnySunny
Temperature Icon20°/14°
Humidity Icon49%
Wind Icon44km/h
Tue. 14, Oct.
heavy rain at timesHeavy rain at times
Temperature Icon24°/13°
Humidity Icon55%
Wind Icon28km/h
Wed. 15, Oct.
patchy rain possiblePatchy rain possible
Temperature Icon24°/14°
Humidity Icon51%
Wind Icon32km/h
Thu. 16, Oct.
moderate rain at timesModerate rain at times
Temperature Icon22°/14°
Humidity Icon59%
Wind Icon29km/h
Fri. 17, Oct.
patchy rain possiblePatchy rain possible
Temperature Icon23°/13°
Humidity Icon57%
Wind Icon25km/h
Sat. 18, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/14°
Humidity Icon50%
Wind Icon24km/h
Sun. 19, Oct.
moderate rain at timesModerate rain at times
Temperature Icon26°/14°
Humidity Icon48%
Wind Icon26km/h
Mon. 20, Oct.
patchy rain possiblePatchy rain possible
Temperature Icon27°/15°
Humidity Icon48%
Wind Icon30km/h
Wed. 22, Oct.
patchy rain possiblePatchy rain possible
Temperature Icon25°/14°
Humidity Icon56%
Wind Icon28km/h
Thu. 23, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon24°/14°
Humidity Icon55%
Wind Icon27km/h
Fri. 24, Oct.
moderate rain at timesModerate rain at times
Temperature Icon25°/14°
Humidity Icon50%
Wind Icon30km/h
Sat. 25, Oct.
patchy rain possiblePatchy rain possible
Temperature Icon23°/13°
Humidity Icon55%
Wind Icon29km/h
Sun. 26, Oct.
patchy rain possiblePatchy rain possible
Temperature Icon23°/13°
Humidity Icon56%
Wind Icon27km/h
Mon. 27, Oct.
patchy rain possiblePatchy rain possible
Temperature Icon24°/14°
Humidity Icon55%
Wind Icon28km/h
Tue. 28, Oct.
heavy rain at timesHeavy rain at times
Temperature Icon25°/14°
Humidity Icon55%
Wind Icon27km/h
Wed. 29, Oct.
moderate rain at timesModerate rain at times
Temperature Icon26°/14°
Humidity Icon51%
Wind Icon28km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onMon. 6, Oct.

35.6°C

Low will be onFri. 3, Oct.

9.1°C

HumidityHumidity

High will be onTue. 7, Oct.

77%

Low will be onSun. 5, Oct.

20%

Wind SpeedWind Speed

High will be onMon. 29, Sep.

52.6km/h

Low will be onFri. 3, Oct.

15.8km/h

PrecipitationPrecipitation

High will be onThu. 23, Oct.

2.4mm

Low will be onMon. 29, Sep.

0.01mm

Ultraviolet IndexUV

High will be onSun. 5, Oct.

8

Low will be onTue. 30, Sep.

1.1

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