Climate Risk in Dawesville, Western Australia

Dawesville, Western Australia· UNKNOWN

Medium Risk

Updated Mar 2026

Dawesville faces a moderate overall climate risk, primarily driven by increasing heatwaves and coastal hazards. The suburb's proximity to the coast and bushland contributes to its vulnerability. Residents should prepare for more frequent and intense extreme weather events.

Overall Risk Score

5.8/10

Medium

Confidence: Medium

Hazard Breakdown

Flood

6.5

Bushfire

4.2

Heat

7.1

Coastal

5.4

Detailed Hazard Analysis

heat Risk

7.1/10

Dawesville experiences a high risk of heatwaves, particularly during the summer months. Rising temperatures are expected to exacerbate this risk.

Primary Drivers

·Rising global temperatures
·Urban heat island effect

Projections (RCP8.5)

2030

7.6

2050

8.2

Data source

flood Risk

6.5/10

Dawesville faces a moderate risk of flooding due to its proximity to the coast and waterways. Intense rainfall events can lead to localised flooding.

Primary Drivers

·Increased rainfall intensity
·Sea level rise
·Storm surge

Projections (RCP8.5)

2030

7.0

2050

7.5

Data source

coastal Risk

5.4/10

Dawesville faces a moderate risk from coastal hazards, including sea level rise and coastal erosion. Low-lying areas are particularly vulnerable.

Primary Drivers

·Sea level rise
·Increased storm intensity

Projections (RCP8.5)

2030

5.8

2050

6.3

Data source

bushfire Risk

4.2/10

Bushfire risk in Dawesville is moderate, with areas of bushland surrounding the suburb. Hot, dry summers increase the likelihood of bushfires.

Primary Drivers

·Dry vegetation
·High temperatures
·Strong winds

Projections (RCP4.5)

2030

4.5

2050

4.8

Data source

What This Means for Property Owners

Insurance Outlook

Insurance premiums may increase in areas at higher risk of flooding or coastal erosion.

Price Impact

Properties in high-risk areas may experience a decrease in value.

Buyer Checklist

1.Check flood maps and bushfire prone area designations.
2.Assess the property's vulnerability to coastal hazards.
3.Inquire about past flood or bushfire events.
4.Consider the potential impact of climate change on property value.

Local Climate Evidence

Flood Evidence

Nearest Waterway: Peel Inlet
Elevation Range: 0-10m
Flood Zone: Areas near the Peel Inlet are prone to flooding.

Bushfire Evidence

Distance to Bushland: Adjacent to bushland areas.
Planning Overlay: DFES Bushfire Prone Areas Map
Bushfire Prone Area: Yes

Heat Evidence

Avg January Max Temp: 32.5°C
Heat Stress Days/Year: 3 days

Coastal Evidence

Distance to Coast: 1 km
Sea Level Rise Exposure: Low-lying areas are exposed to sea level rise.
Erosion Risk: Coastal erosion is a concern in some areas.

Historical Climate Events

2017

stormModerate

A severe storm caused damage to properties and infrastructure in Dawesville.

Source

2010

floodMinor

Heavy rainfall led to localised flooding in low-lying areas of Dawesville.

Source

2007

bushfireModerate

A bushfire threatened properties in the outskirts of Dawesville.

Source

Climate Outlook to 2050

Projections based on CSIRO and BOM climate modelling. Scenario: RCP4.5

Hazard	Today	2030	2050
flood	6.5	6.7(+0.2)	7.0(+0.5)
bushfire	4.2	4.3(+0.1)	4.5(+0.3)
heat	7.1	7.5(+0.4)	8.0(+0.9)
coastal	5.4	5.7(+0.3)	6.1(+0.7)

Under a moderate emissions scenario, Dawesville is projected to experience a slight increase in overall climate risk by 2030, with heat and coastal hazards posing the greatest concerns.

CSIRO Climate Projections

Adaptation Recommendations

Improve drainage infrastructure

Near-term

Upgrade drainage systems to reduce the risk of localised flooding during heavy rainfall events.

Est. cost: Medium

Learn more

Implement coastal protection measures

Long-term

Construct seawalls and other coastal protection structures to mitigate the impacts of sea level rise and coastal erosion.

Est. cost: High

Learn more

Develop a heatwave management plan

Immediate

Implement a plan to protect vulnerable populations during heatwave events, including establishing cooling centers and providing public awareness campaigns.

Est. cost: Low

Learn more

Enhance bushfire preparedness

Near-term

Provide residents with information and resources on bushfire safety, including how to prepare their properties and develop a bushfire survival plan.

Est. cost: Low

Learn more

About Dawesville's Climate Risk Profile

Dawesville, located in Western Australia, is exposed to a range of climate-related risks. The primary concerns are rising temperatures, increased frequency of heatwaves, and coastal hazards such as sea level rise and erosion.

The risk of flooding is moderate, with potential for localised flooding during periods of heavy rainfall. The increasing intensity of rainfall events, coupled with sea level rise, is expected to exacerbate this risk in the future.

Bushfire risk is also a concern, particularly during the hot, dry summer months. Areas of bushland surrounding the suburb pose a potential fire hazard. Residents should be aware of bushfire safety measures and have a plan in place.

Heatwaves are becoming more frequent and intense, posing a significant health risk to vulnerable populations. Rising temperatures are expected to further increase the risk of heat stress in the coming years.

Coastal hazards, including sea level rise and coastal erosion, pose a threat to low-lying areas of Dawesville. The increasing intensity of storms is expected to exacerbate these risks.

Data sources: BOM · CSIRO · DFES

Local Government Resources

City of Mandurah

Climate Strategy Flood Maps Emergency Services

Frequently Asked Questions

What are the main climate change risks for Dawesville?

The main climate change risks for Dawesville include rising temperatures, increased frequency of heatwaves, sea level rise, coastal erosion, and localised flooding.

How will sea level rise affect Dawesville?

Sea level rise is expected to inundate low-lying areas of Dawesville, potentially impacting properties and infrastructure near the coast.

What can I do to prepare for heatwaves in Dawesville?

During heatwaves, stay indoors in air-conditioned environments, drink plenty of water, and check on vulnerable neighbours and family members.

How can I protect my property from bushfires in Dawesville?

Clear vegetation around your property, maintain firebreaks, and have a bushfire survival plan in place.

Where can I find more information about climate change risks in Dawesville?

You can find more information about climate change risks in Dawesville on the City of Mandurah website, the Department of Fire and Emergency Services website, and the Bureau of Meteorology website.

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