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PROPERTY ANALYTICS

Climate Risk in Aldinga, South Australia

Aldinga, South Australia· UNKNOWN
Medium Risk
Updated Mar 2026

Aldinga faces a medium overall climate risk, with notable concerns related to bushfire and heat. Coastal and flood risks also contribute to the overall vulnerability of the suburb. Residents should prepare for increasing temperatures and potential extreme weather events.

Overall Risk Score

5.5/10
Medium

Confidence: Medium

Hazard Breakdown

Flood
4.0
Bushfire
6.0
Heat
7.0
Coastal
5.0

Detailed Hazard Analysis

heat Risk

7.0/10

Aldinga is susceptible to heatwaves, with increasing average temperatures during summer months. This poses a risk to vulnerable populations.

Primary Drivers

  • ·Rising global temperatures
  • ·Urban heat island effect

Projections (RCP8.5)

2030

7.5

2050

8.5

Data source

flood Risk

4.0/10

Aldinga faces a moderate risk of flooding, primarily from heavy rainfall events and coastal inundation. The risk is influenced by the proximity to coastal areas and local waterways.

Primary Drivers

  • ·Increased rainfall intensity
  • ·Sea level rise
  • ·Urban development

Projections (RCP8.5)

2030

4.5

2050

5.5

Data source

coastal Risk

5.0/10

As a coastal suburb, Aldinga faces risks from sea level rise and coastal erosion. These factors can impact infrastructure and property values.

Primary Drivers

  • ·Sea level rise
  • ·Increased storm surge

Projections (RCP8.5)

2030

5.5

2050

6.5

Data source

bushfire Risk

6.0/10

Aldinga has a notable risk of bushfires due to the presence of nearby bushland and dry vegetation. Hot, dry summers and strong winds can exacerbate the risk.

Primary Drivers

  • ·Increased frequency of heatwaves
  • ·Drier vegetation
  • ·Strong winds

Projections (RCP8.5)

2030

6.5

2050

7.5

Data source

What This Means for Property Owners

Insurance Outlook

Insurance premiums may increase in the future due to climate-related risks.

Price Impact

Properties in high-risk areas may experience price stagnation or decline.

Buyer Checklist

  • 1.Check flood maps and bushfire prone area designations.
  • 2.Assess the property's vulnerability to coastal erosion.
  • 3.Inquire about past flood or fire events.
  • 4.Consider the cost of insurance and potential for future increases.
  • 5.Evaluate the property's energy efficiency and ability to withstand heatwaves.

Local Climate Evidence

Flood Evidence

Nearest Waterway
Onkaparinga River
Elevation Range
0-30 meters
Flood Zone
Coastal and riverine floodplains

The lower-lying areas near the coast and the Onkaparinga River are most susceptible to flooding.

View council flood map

Bushfire Evidence

Distance to Bushland
Adjacent to scrubland areas
Planning Overlay
CFS Bushfire Prone Area Overlay
Bushfire Prone Area
Yes

Check the CFS website for current fire danger ratings and restrictions.

Heat Evidence

Avg January Max Temp
28.5°C
Heat Stress Days/Year
3 days

The number of days exceeding 35°C is projected to increase in the coming decades.

Coastal Evidence

Distance to Coast
0.5 km
Sea Level Rise Exposure
Low-lying coastal areas are vulnerable to sea level rise.
Erosion Risk
Moderate erosion risk along some sections of the coastline.

Historical Climate Events

2019
heatwaveModerate

A prolonged heatwave affected South Australia, including Aldinga, with temperatures exceeding 40°C for several days.

Source
2016
stormModerate

Severe storms caused flash flooding and property damage in parts of Aldinga.

Source
2015
bushfireMinor

A bushfire near Aldinga threatened properties but was contained by fire crews.

Source
2023
floodModerate

Heavy rainfall caused localized flooding in low-lying areas of Aldinga, impacting some residential properties.

Source

Climate Outlook to 2050

Projections based on CSIRO and BOM climate modelling. Scenario: RCP8.5

HazardToday20302050
flood4.04.5(+0.5)5.5(+1.5)
bushfire6.06.5(+0.5)7.5(+1.5)
heat7.07.5(+0.5)8.5(+1.5)
coastal5.05.5(+0.5)6.5(+1.5)

By 2030, Aldinga is projected to experience a moderate increase in overall climate risk, with higher temperatures, more frequent heatwaves, and increased risk of bushfires and coastal flooding.

CSIRO Climate Projections

Adaptation Recommendations

Improve Bushfire Preparedness

Immediate

Create a bushfire survival plan, clear vegetation around your home, and ensure you have adequate insurance coverage.

Est. cost: Low

Learn more

Enhance Home Cooling

Near-term

Install energy-efficient air conditioning, improve insulation, and plant shade trees to reduce the impact of heatwaves.

Est. cost: Medium

Learn more

Strengthen Coastal Defenses

Long-term

Support local efforts to protect the coastline from erosion and sea level rise, such as dune restoration and seawall construction.

Est. cost: High

Learn more

Upgrade Drainage Infrastructure

Near-term

Advocate for improved drainage systems to reduce the risk of flooding from heavy rainfall events.

Est. cost: Medium

Learn more

About Aldinga's Climate Risk Profile

Aldinga, South Australia, is increasingly vulnerable to the impacts of climate change. The suburb's coastal location and proximity to bushland contribute to its risk profile. Rising temperatures, changing rainfall patterns, and sea level rise are key factors driving these risks.

Bushfire risk is a significant concern for Aldinga. Hotter, drier conditions increase the likelihood of bushfires, threatening homes and infrastructure. Residents should be aware of bushfire safety measures and maintain their properties accordingly.

Heatwaves are becoming more frequent and intense, posing a health risk to vulnerable populations, particularly the elderly and those with pre-existing conditions. Access to cooling and adequate hydration are essential during heatwaves.

Coastal erosion and inundation are also growing concerns due to sea level rise. Properties near the coast are at risk, and protective measures may be necessary to mitigate these impacts.

Flooding from heavy rainfall events can also impact Aldinga. Improved drainage and flood management strategies are needed to reduce the risk of property damage and disruption.

Data sources: BOM · CSIRO · CFS · City of Onkaparinga

Local Government Resources

City of Onkaparinga

Climate StrategyFlood MapsEmergency Services

Frequently Asked Questions

What are the main climate change risks in Aldinga?

The main risks include bushfires, heatwaves, coastal erosion, and flooding from heavy rainfall.

How can I prepare my home for a bushfire?

Clear vegetation around your home, create a bushfire survival plan, and ensure you have adequate insurance coverage.

What can I do to stay cool during a heatwave?

Stay indoors in air-conditioned environments, drink plenty of water, and avoid strenuous activity during the hottest part of the day.

Is my property at risk from coastal erosion?

If your property is located near the coast, it may be at risk. Contact the City of Onkaparinga for more information on coastal erosion management.

Where can I find information on emergency preparedness?

Visit the South Australian State Emergency Service (SES) website for information on emergency preparedness and response.

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