Sydney, New South Wales, Australia Climate Change Severity

38
Moderate
The current climate change severity in Sydney is Moderate, with a 15.4% improvement in the climate score compared to last 16 years. This suggests improved conditions, with more favorable environmental indicators and a reduction in negative impacts.
Data: Jan. to Jul. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Sydney Weather Condition Changes (Historic Vs 2026)

2026
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2026

Over the past 16 year(s), Sydney temperature has changed by around +3.1%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Jul. (Historical Vs 2026)

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
4753
12.7%
cloudyCloudy
4933
-32.6%
rainyRainy
9991
-8.08%
snowySnowy
00
0%
mistyMisty
00
0%

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

Climate Change Indicators:

Over the past 16 years, Sydney has experienced measurable improvements in key climate parameters, contributing to the current severity score of 38 (within the Moderate severity category). This suggests improving climate conditions compared to previous years. Here’s a breakdown of the specific changes observed:

Severity Score

38/100

Moderate

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2026, Sydney experienced significant changes:

Temperature change of

+0.58 °C

Variation in annual rainfall

-10.54 %

Change in average humidity

-1.19 %

PM2.5 levels surged by

+11.03 %

Heatwave changed by

+1 Days

Coldwave changed by

-2 Days

Wind speeds changed by

+3.54 km/h

These indicators show reduced climate volatility, offering a valuable window to reinforce sustainable practices and strengthen long-term climate resilience. As the severity shifts toward Moderate, it is important to maintain momentum in climate adaptation efforts.

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

Sydney Weather Forecast 30 Days (August - September 2026)
Sydney, New South Wales, Australia

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Fri. 14, Aug.
sunnySunny
Temperature Icon17°/10°
Humidity Icon63%
Wind Icon18.7km/h
Sat. 15, Aug.
light rain showerRain Shower
Temperature Icon16°/14°
Humidity Icon75%
Wind Icon25.2km/h
Sun. 16, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon17°/14°
Humidity Icon71%
Wind Icon25.6km/h
Mon. 17, Aug.
light rain showerRain Shower
Temperature Icon16°/14°
Humidity Icon72%
Wind Icon17.6km/h
Tue. 18, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon17°/14°
Humidity Icon66%
Wind Icon17.3km/h
Wed. 19, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon17°/14°
Humidity Icon75%
Wind Icon11.5km/h
Thu. 20, Aug.
sunnySunny
Temperature Icon18°/12°
Humidity Icon76%
Wind Icon23km/h
Fri. 21, Aug.
partly cloudyPartly Cloudy
Temperature Icon18°/13°
Humidity Icon73%
Wind Icon14km/h
Sat. 22, Aug.
moderate rain at timesRain
Temperature Icon19°/11°
Humidity Icon65%
Wind Icon20.3km/h
Sun. 23, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon19°/11°
Humidity Icon70%
Wind Icon21.9km/h
Mon. 24, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon18°/11°
Humidity Icon68%
Wind Icon23.5km/h
Tue. 25, Aug.
heavy rain at timesHeavy Rain
Temperature Icon18°/11°
Humidity Icon67%
Wind Icon22.5km/h
Wed. 26, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon18°/11°
Humidity Icon69%
Wind Icon20.2km/h
Thu. 27, Aug.
heavy rain at timesHeavy Rain
Temperature Icon18°/11°
Humidity Icon67%
Wind Icon20.2km/h
Fri. 28, Aug.
patchy rain possibleRain Possible
Temperature Icon19°/11°
Humidity Icon64%
Wind Icon21.5km/h
Sat. 29, Aug.
heavy rain at timesHeavy Rain
Temperature Icon19°/10°
Humidity Icon66%
Wind Icon20.3km/h
Sun. 30, Aug.
heavy rain at timesHeavy Rain
Temperature Icon19°/11°
Humidity Icon65%
Wind Icon22.4km/h
Mon. 31, Aug.
heavy rain at timesHeavy Rain
Temperature Icon19°/11°
Humidity Icon66%
Wind Icon20.8km/h
Tue. 1, Sep.
patchy rain possibleRain Possible
Temperature Icon19°/11°
Humidity Icon65%
Wind Icon19.2km/h
Wed. 2, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon19°/11°
Humidity Icon69%
Wind Icon21.6km/h
Thu. 3, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon20°/11°
Humidity Icon66%
Wind Icon23.6km/h
Fri. 4, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon20°/12°
Humidity Icon67%
Wind Icon22.6km/h
Sat. 5, Sep.
moderate rain at timesRain
Temperature Icon20°/12°
Humidity Icon64%
Wind Icon22km/h
Sun. 6, Sep.
moderate rain at timesRain
Temperature Icon20°/12°
Humidity Icon65%
Wind Icon22.6km/h
Mon. 7, Sep.
heavy rain at timesHeavy Rain
Temperature Icon20°/12°
Humidity Icon67%
Wind Icon23.2km/h
Tue. 8, Sep.
moderate rain at timesRain
Temperature Icon19°/12°
Humidity Icon67%
Wind Icon22.1km/h
Wed. 9, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon20°/12°
Humidity Icon66%
Wind Icon22.4km/h
Thu. 10, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon20°/12°
Humidity Icon65%
Wind Icon23km/h
Fri. 11, Sep.
patchy rain possibleRain Possible
Temperature Icon20°/11°
Humidity Icon65%
Wind Icon21.5km/h
Sat. 12, Sep.
patchy rain possibleRain Possible
Temperature Icon21°/12°
Humidity Icon64%
Wind Icon20.9km/h
Sun. 13, Sep.
moderate rain at timesRain
Temperature Icon20°/12°
Humidity Icon66%
Wind Icon19.6km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSat. 12, Sep.

21°C

Low will be onFri. 14, Aug.

10°C

HumidityHumidity

High will be onThu. 20, Aug.

76%

Low will be onFri. 14, Aug.

63%

Wind SpeedWind Speed

High will be onSun. 16, Aug.

25.6km/h

Low will be onWed. 19, Aug.

11.5km/h

PrecipitationPrecipitation

High will be onMon. 17, Aug.

9.3mm

Low will be onFri. 21, Aug.

0.01mm

Ultraviolet IndexUV

High will be onThu. 20, Aug.

6

Low will be onSat. 15, Aug.

2.2

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