Climate Risk in Gawler South, South Australia

Gawler South, South Australia· Town of Gawler· 5118
Medium Risk
Updated Mar 2026

Gawler South faces increasing risks from flooding and heatwaves due to climate change. The suburb's proximity to the Gawler River makes it vulnerable to flooding, while rising temperatures will exacerbate heatwave conditions. Residents should prepare for these challenges.

Overall Risk Score

55/100
Medium

Confidence: Medium

Hazard Breakdown

Flood
6.0
Bushfire
4.0
Heat
7.0
Coastal
1.0

Climate Hazard Breakdown for Gawler South

increasing

Flood

60/100

Gawler South faces a moderate risk of flooding due to its proximity to the Gawler River and other waterways. Increased rainfall intensity could exacerbate this risk.

Key drivers:

  • ·Increased rainfall intensity
  • ·Proximity to waterways
increasing

Bushfire

40/100

The risk of bushfire in Gawler South is moderate, with some areas bordering bushland. Hotter, drier conditions could increase the likelihood of bushfires.

Key drivers:

  • ·Hotter, drier conditions
  • ·Proximity to bushland
increasing

Heat

70/100

Gawler South is likely to experience more frequent and intense heatwaves. This poses a significant risk to vulnerable populations.

Key drivers:

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

Coastal

10/100

Gawler South is not directly exposed to coastal risks such as sea level rise or coastal erosion.

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 Gawler South

Detailed Hazard Analysis

heat Risk

70/100

Gawler South is likely to experience more frequent and intense heatwaves. This poses a significant risk to vulnerable populations.

Primary Drivers

  • ·Rising global temperatures
  • ·Urban heat island effect

Projections (RCP8.5)

2030

7.5

2050

8.0

Data source

flood Risk

60/100

Gawler South faces a moderate risk of flooding due to its proximity to the Gawler River and other waterways. Increased rainfall intensity could exacerbate this risk.

Primary Drivers

  • ·Increased rainfall intensity
  • ·Proximity to waterways
  • ·Urban development

Projections (RCP8.5)

2030

6.5

2050

7.0

Data source

coastal Risk

10/100

Gawler South is not directly exposed to coastal risks such as sea level rise or coastal erosion.

Projections (RCP8.5)

2030

1.0

2050

1.0

Data source

bushfire Risk

40/100

The risk of bushfire in Gawler South is moderate, with some areas bordering bushland. Hotter, drier conditions could increase the likelihood of bushfires.

Primary Drivers

  • ·Hotter, drier conditions
  • ·Proximity to bushland
  • ·Increased fuel load

Projections (RCP8.5)

2030

4.5

2050

5.0

Data source

What This Means for Property Owners

Insurance Outlook

Insurance premiums may increase in the future due to increased flood and heatwave risks.

Price Impact

Properties in flood-prone areas may experience a decrease in value.

Buyer Checklist

  • 1.Check flood maps and insurance costs.
  • 2.Assess the property's vulnerability to heatwaves.
  • 3.Consider energy-efficient upgrades.
  • 4.Prepare a bushfire survival plan.

Local Climate Evidence

Flood Evidence

Nearest Waterway
Gawler River
Elevation Range
15-25m
Flood Zone
Areas near the Gawler River are designated as flood zones.

Historical flood data indicates that properties near the Gawler River have been affected by flooding in the past.

View council flood map

Bushfire Evidence

Distance to Bushland
Some areas border bushland within 1km.
Planning Overlay
CFS Bushfire Prone Area Map
Bushfire Prone Area
Yes

Residents should maintain their properties to reduce fuel loads and be prepared for bushfire season.

Heat Evidence

Avg January Max Temp
32.5°C
Heat Stress Days/Year
5 days

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

Coastal Evidence

Distance to Coast
30 km
Sea Level Rise Exposure
Not applicable
Erosion Risk
Not applicable

Historical Climate Events

2016
floodModerate

Significant flooding occurred in the Gawler area, impacting properties near the Gawler River.

Source
2009
heatwaveMajor

South Australia experienced a severe heatwave with record-breaking temperatures, impacting Gawler South.

Source
1983
bushfireCatastrophic

The Ash Wednesday bushfires caused widespread damage across South Australia, including areas near Gawler South.

Source
2022
floodModerate

Heavy rainfall caused localized flooding in parts of Gawler, affecting some residential areas.

Source

Climate Outlook to 2050

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

HazardToday20302050
flood606.5(+0.5)7.0(+1.0)
bushfire404.3(+0.3)4.5(+0.5)
heat707.7(+0.7)8.2(+1.2)
coastal101.01.0

By 2030, Gawler South is projected to experience a moderate increase in overall climate risk, primarily driven by more frequent and intense heatwaves and an increased risk of flooding.

CSIRO Climate Projections

Adaptation Recommendations

Improve Drainage Infrastructure

Near-term

Upgrade drainage systems to handle increased rainfall and reduce the risk of flooding.

Est. cost: Medium

Learn more

Develop a Heatwave Management Plan

Immediate

Implement strategies to protect vulnerable populations during heatwaves, such as providing cooling centers and public awareness campaigns.

Est. cost: Low

Learn more

Promote Water Conservation

Long-term

Encourage residents and businesses to conserve water to reduce the strain on water resources during droughts.

Est. cost: Low

Learn more

Bushfire Preparedness

Near-term

Ensure residents are well-prepared for bushfire season by maintaining properties, developing evacuation plans, and staying informed about fire risks.

Est. cost: Low

Learn more

About Gawler South's Climate Risk Profile

Gawler South, like many areas in South Australia, is facing increasing climate-related risks. The primary concerns are flooding, driven by more intense rainfall events, and heatwaves, resulting from rising global temperatures. While not directly coastal, the inland location does not eliminate all climate-related concerns.

The risk of flooding is heightened due to the suburb's proximity to the Gawler River. Climate change projections indicate an increase in the frequency and intensity of heavy rainfall, which could lead to more frequent and severe flooding events. This poses a threat to properties and infrastructure located near the river.

Heatwaves are another significant concern for Gawler South. As temperatures rise, the suburb is likely to experience more frequent and prolonged periods of extreme heat. This can have serious health impacts, particularly for vulnerable populations such as the elderly and those with pre-existing medical conditions.

While Gawler South is not directly exposed to coastal hazards, the broader impacts of climate change, such as disruptions to supply chains and increased demand for resources, could still affect the suburb. It is important for residents and businesses to be aware of these risks and take steps to prepare for them.

Adapting to climate change will require a concerted effort from individuals, businesses, and the local government. This includes implementing measures to reduce flood risk, such as improving drainage infrastructure and restricting development in flood-prone areas, as well as strategies to mitigate the impacts of heatwaves, such as providing cooling centers and promoting energy-efficient building design.

Data sources: BOM · CSIRO · CFS · SA Government Environment and Water

Local Government Resources

Frequently Asked Questions

What are the main climate change risks for Gawler South?

The main risks are increased flooding due to heavier rainfall and more frequent and intense heatwaves.

How can I prepare my home for flooding?

Check your insurance coverage, elevate appliances, and clear gutters and drains regularly.

What should I do during a heatwave?

Stay indoors in air-conditioned environments, drink plenty of water, and check on vulnerable neighbors.

Is Gawler South in a bushfire-prone area?

Yes, some parts of Gawler South are located near bushland and are considered bushfire-prone. Prepare a bushfire survival plan.

Where can I find more information about climate change in Gawler South?

Refer to the Town of Gawler's website and the South Australian government's environment website for more information.

What is the council doing to address climate change?

The Town of Gawler is developing and implementing strategies to reduce greenhouse gas emissions and adapt to the impacts of climate change, including improving drainage infrastructure and promoting sustainable practices.

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