Climate Risk in Wallaroo, SA

Wallaroo, South Australia· Copper Coast· 5556
Medium Risk
Updated Apr 2026

Wallaroo faces a medium overall climate risk, with the most significant threats stemming from coastal hazards and heatwaves. Sea level rise and increasing temperatures are key drivers of this risk. Residents should prepare for more frequent extreme weather events.

Overall Risk Score

52/100
Medium

Confidence: Medium

Hazard Breakdown

Flood
4.5
Bushfire
3.0
Heat
6.5
Coastal
7.0

Climate Hazard Breakdown for Wallaroo

increasing

Flood

45/100

Wallaroo faces a moderate risk of flooding, primarily from heavy rainfall events and coastal inundation. The risk is expected to increase with climate change.

Key drivers:

  • ·Increased rainfall intensity
  • ·Sea level rise
stable

Bushfire

30/100

The bushfire risk in Wallaroo is relatively low compared to other regions in South Australia, but still present due to surrounding vegetation. Hot, dry conditions can elevate the risk.

Key drivers:

  • ·Dry vegetation
  • ·High temperatures
increasing

Heat

65/100

Wallaroo experiences a high heat risk, with increasing average temperatures and more frequent heatwave events projected. This poses a significant threat to vulnerable populations.

Key drivers:

  • ·Rising global temperatures
  • ·Urban heat island effect
increasing

Coastal

70/100

Wallaroo faces a significant coastal risk due to its low-lying coastal location. Sea level rise and storm surges threaten infrastructure and property.

Key drivers:

  • ·Sea level rise
  • ·Storm surge
stable

Wind

28/100

Moderate wind risk — gusty northerly winds

stable

Storm

24/100

Moderate storm risk — occasional thunderstorms

stable

Social

21/100

Moderate social stability

increasing

Energy

35/100

Moderate energy costs — summer cooling

In-Depth Climate Risk Guides for Wallaroo

Detailed Hazard Analysis

heat Risk

65/100

Wallaroo experiences a high heat risk, with increasing average temperatures and more frequent heatwave events projected. This poses a significant threat to vulnerable populations.

Primary Drivers

  • ·Rising global temperatures
  • ·Urban heat island effect

Projections (RCP8.5)

2030

7.2

2050

8.0

Data source

flood Risk

45/100

Wallaroo faces a moderate risk of flooding, primarily from heavy rainfall events and coastal inundation. The risk is expected to increase with climate change.

Primary Drivers

  • ·Increased rainfall intensity
  • ·Sea level rise
  • ·Storm surges

Projections (RCP8.5)

2030

5.0

2050

5.8

Data source

coastal Risk

70/100

Wallaroo faces a significant coastal risk due to its low-lying coastal location. Sea level rise and storm surges threaten infrastructure and property.

Primary Drivers

  • ·Sea level rise
  • ·Storm surge
  • ·Coastal erosion

Projections (RCP8.5)

2030

7.5

2050

8.2

Data source

bushfire Risk

30/100

The bushfire risk in Wallaroo is relatively low compared to other regions in South Australia, but still present due to surrounding vegetation. Hot, dry conditions can elevate the risk.

Primary Drivers

  • ·Dry vegetation
  • ·High temperatures
  • ·Wind

Projections (RCP4.5)

2030

3.2

2050

3.5

Data source

What This Means for Property Owners

Insurance Outlook

Insurance premiums are likely to increase due to climate risks.

Price Impact

Properties in high-risk areas may experience price depreciation.

Buyer Checklist

  • 1.Check flood maps and coastal erosion risk assessments.
  • 2.Assess the property's vulnerability to heatwaves.
  • 3.Inquire about insurance costs and coverage.
  • 4.Consider the long-term climate risks when making a purchase.

Local Climate Evidence

Flood Evidence

Nearest Waterway
Spencer Gulf
Elevation Range
0-10m
Flood Zone
Coastal Inundation Zone

Low-lying areas near the coast are most vulnerable to flooding.

View council flood map

Bushfire Evidence

Distance to Bushland
5km
Planning Overlay
CFS Bushfire Prone Area Map
Bushfire Prone Area
Yes

Areas with scrubland are considered bushfire prone.

Heat Evidence

Avg January Max Temp
32°C
Heat Stress Days/Year
5 days

Heatwaves are becoming more frequent and intense.

Coastal Evidence

Distance to Coast
0.5 km
Sea Level Rise Exposure
High
Erosion Risk
Moderate

Historical Climate Events

2013
floodModerate

Heavy rainfall caused localized flooding in Wallaroo.

Source
2009
heatwaveMajor

A prolonged heatwave resulted in heat stress and health concerns.

Source
2007
stormModerate

A severe storm caused damage to coastal infrastructure.

Source

Climate Outlook to 2050

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

HazardToday20302050
flood454.8(+0.3)5.3(+0.8)
bushfire303.1(+0.1)3.3(+0.3)
heat657.1(+0.6)7.5(+1.0)
coastal707.5(+0.5)7.9(+0.9)

By 2030, Wallaroo is projected to experience a moderate increase in overall climate risk, with notable increases in heatwave intensity and coastal flooding.

CSIRO Climate Projections

Adaptation Recommendations

Coastal Protection Measures

Near-term

Invest in seawalls, beach nourishment, and other coastal protection measures to reduce the impact of sea level rise and storm surges.

Est. cost: High

Learn more

Heatwave Management Plan

Immediate

Develop and implement a heatwave management plan to protect vulnerable populations during extreme heat events.

Est. cost: Medium

Learn more

Improved Drainage Infrastructure

Near-term

Upgrade drainage infrastructure to reduce the risk of flooding from heavy rainfall events.

Est. cost: Medium

Learn more

Community Awareness Programs

Long-term

Conduct community awareness programs to educate residents about climate risks and adaptation strategies.

Est. cost: Low

Learn more

About Wallaroo's Climate Risk Profile

Wallaroo, a coastal town in South Australia, is increasingly vulnerable to the impacts of climate change. The primary risks include coastal inundation from sea level rise and storm surges, as well as more frequent and intense heatwaves. These changes pose a threat to infrastructure, property, and public health.

The coastal risk is particularly pronounced due to Wallaroo's low-lying geography. Sea level rise is expected to exacerbate erosion and increase the frequency of coastal flooding events. This could lead to damage to homes, businesses, and essential services.

Heatwaves are also a growing concern, with average temperatures projected to increase significantly in the coming decades. This will place additional stress on vulnerable populations, such as the elderly and those with pre-existing health conditions. The increased demand for cooling during heatwaves could also strain the electricity grid.

While the bushfire risk is relatively lower compared to other regions, it is still important to remain vigilant, especially during hot and dry periods. Changes in rainfall patterns could also lead to increased drought risk, impacting agriculture and water resources.

Addressing these climate risks will require a combination of adaptation and mitigation measures. This includes investing in coastal protection infrastructure, implementing heatwave management plans, and reducing greenhouse gas emissions.

Data sources: BOM · CSIRO · SA SES · Copper Coast Council

Local Government Resources

Frequently Asked Questions

What are the main climate change risks in Wallaroo?

The main risks are coastal inundation from sea level rise and storm surges, as well as more frequent and intense heatwaves.

How will sea level rise affect Wallaroo?

Sea level rise is expected to exacerbate coastal erosion and increase the frequency of coastal flooding events, potentially damaging homes and infrastructure.

What can I do to prepare for heatwaves in Wallaroo?

Stay hydrated, seek air-conditioned environments, and check on vulnerable neighbors during heatwaves.

Is my property at risk from coastal flooding?

Properties in low-lying areas near the coast are at higher risk. Check flood maps and coastal erosion risk assessments for more information.

What is the council doing to address climate change?

The Copper Coast Council is developing and implementing climate adaptation strategies to reduce the impacts of climate change on the community.

Get your property's risk report

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What A$69 could save you from

$7.2B
2022 insured disaster losses*
$300B+
climate risk to property by 2050*
30-120%
insurance premium increases in high-risk areas*

*Industry sources: ICA, APRA, RBA

Full report from A$69 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections