Wollongong, New South Wales, Australia Climate Change Severity

43
High
The current climate change severity in Wollongong is High, with a 2.5% 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 Aug. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100


Wollongong Weather Condition Changes (Historic Vs 2025)

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

Over the past 15 year(s), Wollongong temperature has changed by around -3.5%, 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
6237
-40.3%

cloudyCloudy
5440
-25.9%

rainyRainy
115118
2.6%

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, Wollongong 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, Wollongong experienced significant changes:

Temperature change of

-0.5 °C


Variation in annual rainfall

+33.9 %


Change in average humidity

+0.7 %


PM2.5 levels surged by

-10.5 %


Heatwave changed by

-2.4 day(s)


Coldwave changed by

-1.9 day(s)


Wind speeds changed by

+0.08 km/h


These indicators show that Wollongong 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.

Wollongong Weather Forecast 30 Days (September - October 2025)
Wollongong, New South Wales, Australia


Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Sat. 13, Sep.
sunnySunny

Temperature Icon18°/10°

Humidity Icon68%

Wind Icon13km/h
Sun. 14, Sep.
sunnySunny

Temperature Icon21°/12°

Humidity Icon67%

Wind Icon12km/h
Mon. 15, Sep.
sunnySunny

Temperature Icon23°/12°

Humidity Icon60%

Wind Icon14km/h
Tue. 16, Sep.
sunnySunny

Temperature Icon26°/15°

Humidity Icon60%

Wind Icon23km/h
Wed. 17, Sep.
sunnySunny

Temperature Icon20°/13°

Humidity Icon52%

Wind Icon22km/h
Thu. 18, Sep.
sunnySunny

Temperature Icon19°/11°

Humidity Icon62%

Wind Icon23km/h
Fri. 19, Sep.
sunnySunny

Temperature Icon24°/13°

Humidity Icon65%

Wind Icon21km/h
Sat. 20, Sep.
sunnySunny

Temperature Icon21°/13°

Humidity Icon60%

Wind Icon25km/h
Sun. 21, Sep.
sunnySunny

Temperature Icon21°/11°

Humidity Icon56%

Wind Icon28km/h
Mon. 22, Sep.
partly cloudyPartly Cloudy

Temperature Icon16°/9°

Humidity Icon56%

Wind Icon27km/h
Tue. 23, Sep.
patchy rain possiblePatchy rain nearby

Temperature Icon17°/11°

Humidity Icon60%

Wind Icon34km/h
Wed. 24, Sep.
sunnySunny

Temperature Icon20°/10°

Humidity Icon53%

Wind Icon31km/h
Thu. 25, Sep.
sunnySunny

Temperature Icon18°/11°

Humidity Icon51%

Wind Icon37km/h
Fri. 26, Sep.
sunnySunny

Temperature Icon15°/6°

Humidity Icon53%

Wind Icon21km/h
Sat. 27, Sep.
sunnySunny

Temperature Icon19°/9°

Humidity Icon65%

Wind Icon25km/h
Sun. 28, Sep.
heavy rain at timesHeavy rain at times

Temperature Icon21°/12°

Humidity Icon68%

Wind Icon23km/h
Mon. 29, Sep.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon20°/12°

Humidity Icon68%

Wind Icon22km/h
Tue. 30, Sep.
heavy rain at timesHeavy rain at times

Temperature Icon20°/12°

Humidity Icon66%

Wind Icon23km/h
Wed. 1, Oct.
heavy rain at timesHeavy rain at times

Temperature Icon21°/13°

Humidity Icon65%

Wind Icon22km/h
Thu. 2, Oct.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon20°/12°

Humidity Icon70%

Wind Icon19km/h
Fri. 3, Oct.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon21°/13°

Humidity Icon68%

Wind Icon22km/h
Sat. 4, Oct.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon21°/14°

Humidity Icon69%

Wind Icon21km/h
Sun. 5, Oct.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon22°/14°

Humidity Icon69%

Wind Icon23km/h
Mon. 6, Oct.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon21°/14°

Humidity Icon72%

Wind Icon21km/h
Tue. 7, Oct.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon19°/13°

Humidity Icon75%

Wind Icon23km/h
Wed. 8, Oct.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon19°/13°

Humidity Icon77%

Wind Icon21km/h
Thu. 9, Oct.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon20°/12°

Humidity Icon72%

Wind Icon23km/h
Fri. 10, Oct.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon20°/13°

Humidity Icon71%

Wind Icon21km/h
Sat. 11, Oct.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon19°/13°

Humidity Icon72%

Wind Icon21km/h
Sun. 12, Oct.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon21°/13°

Humidity Icon71%

Wind Icon25km/h
Mon. 13, Oct.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon20°/13°

Humidity Icon71%

Wind Icon24km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onTue. 16, Sep.

25.5°C


Low will be onFri. 26, Sep.

6.1°C

HumidityHumidity

High will be onWed. 8, Oct.

77%


Low will be onThu. 25, Sep.

51%

Wind SpeedWind Speed

High will be onThu. 25, Sep.

37.1km/h


Low will be onSun. 14, Sep.

11.9km/h

PrecipitationPrecipitation

High will be onWed. 8, Oct.

5.1mm


Low will be onMon. 22, Sep.

0.03mm

Ultraviolet IndexUV

High will be onFri. 19, Sep.

6


Low will be onTue. 16, Sep.

1.1