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Climate Risk in Mundijong, WA

Mundijong, Western Australia· Serpentine-Jarrahdale· 6123
Medium Risk
Updated Mar 2026

Mundijong faces moderate climate risks, primarily from bushfires, heatwaves and flooding. Climate change is expected to exacerbate these risks in the coming decades, requiring proactive adaptation measures.

Overall Risk Score

52/100
Medium

Confidence: Medium

Hazard Breakdown

Flood
4.0
Bushfire
6.0
Heat
5.0
Coastal
1.0

Climate Hazard Breakdown for Mundijong

increasing

Flood

40/100

Mundijong faces a moderate risk of flooding, primarily from heavy rainfall events and riverine flooding. The Serpentine River and its tributaries can overflow, impacting low-lying areas.

Key drivers:

  • ·Increased rainfall intensity
  • ·Urban development increasing runoff
increasing

Bushfire

60/100

Mundijong has a high bushfire risk due to its proximity to bushland and dry vegetation. Hot, dry summers and strong winds exacerbate the risk.

Key drivers:

  • ·Dry vegetation
  • ·Hotter temperatures
increasing

Heat

50/100

Mundijong is experiencing more frequent and intense heatwaves. Higher average temperatures pose a risk to vulnerable populations.

Key drivers:

  • ·Global warming
  • ·Urban heat island effect
stable

Coastal

10/100

Mundijong is located inland and has a low risk of coastal hazards.

Key drivers:

  • ·Distance from the coast
stable

Wind

32/100

Moderate wind risk — winter storms

stable

Storm

28/100

Moderate storm risk — occasional severe thunderstorms

stable

Social

21/100

Moderate social stability

increasing

Energy

39/100

Moderate energy costs — cooling demand in summer

In-Depth Climate Risk Guides for Mundijong

Should I Buy

Property buying guide with climate risk assessment

Flood Risk

Flood zone mapping, historical events, and projections

Bushfire Risk

BAL assessment, vegetation proximity, and fire history

Climate Safety

Multi-hazard safety assessment to 2050

Storm Risk

Severe weather, hail, and wind risk analysis

Heat Risk

Extreme heat days, urban heat island, and cooling costs

Insurance Costs

Premium estimates and insurance availability

Investment Score

Climate-adjusted property investment analysis

Detailed Hazard Analysis

heat Risk

50/100

Mundijong is experiencing more frequent and intense heatwaves. Higher average temperatures pose a risk to vulnerable populations.

Primary Drivers

  • ·Global warming
  • ·Urban heat island effect
  • ·Reduced vegetation cover

Projections (RCP8.5)

2030

5.5

2050

6.0

Data source

flood Risk

40/100

Mundijong faces a moderate risk of flooding, primarily from heavy rainfall events and riverine flooding. The Serpentine River and its tributaries can overflow, impacting low-lying areas.

Primary Drivers

  • ·Increased rainfall intensity
  • ·Urban development increasing runoff
  • ·Climate change

Projections (RCP8.5)

2030

4.5

2050

5.0

Data source

coastal Risk

10/100

Mundijong is located inland and has a low risk of coastal hazards.

Primary Drivers

  • ·Distance from the coast

Projections (RCP8.5)

2030

1.0

2050

1.0

Data source

bushfire Risk

60/100

Mundijong has a high bushfire risk due to its proximity to bushland and dry vegetation. Hot, dry summers and strong winds exacerbate the risk.

Primary Drivers

  • ·Dry vegetation
  • ·Hotter temperatures
  • ·Strong winds
  • ·Increased frequency of extreme weather events

Projections (RCP8.5)

2030

6.5

2050

7.0

Data source

What This Means for Property Owners

Insurance Outlook

Insurance premiums may increase due to bushfire and flood risks.

Price Impact

Properties in high-risk areas may experience price fluctuations.

Buyer Checklist

  • 1.Check flood maps and bushfire-prone area designations.
  • 2.Assess property's vulnerability to heatwaves.
  • 3.Review insurance options and potential premium increases.
  • 4.Consider long-term climate projections for the area.

Local Climate Evidence

Flood Evidence

Nearest Waterway
Serpentine River
Elevation Range
20-40 meters
Flood Zone
Areas near the Serpentine River are prone to flooding.

Historical flood events have impacted properties near the river. The council is undertaking studies to improve flood management.

View council flood map

Bushfire Evidence

Distance to Bushland
Adjacent to bushland areas
Planning Overlay
Bushfire Prone Area
Bushfire Prone Area
Yes

Mundijong is designated as a bushfire-prone area. Residents should maintain firebreaks and have bushfire survival plans.

Heat Evidence

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

The number of days exceeding 35°C is increasing. Heatwave preparedness is essential for vulnerable residents.

Coastal Evidence

Distance to Coast
45 km
Sea Level Rise Exposure
Low
Erosion Risk
Low

Historical Climate Events

2011
floodModerate

Heavy rainfall caused flooding in low-lying areas of Mundijong, impacting several properties.

Source
2015
bushfireModerate

A bushfire near Mundijong threatened properties and required emergency response efforts.

Source
2019
heatwaveModerate

Mundijong experienced a prolonged heatwave with temperatures exceeding 40°C for several days.

Source
2022
floodMinor

Localized flooding occurred after a period of intense rainfall.

Source

Climate Outlook to 2050

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

HazardToday20302050
flood404.2(+0.2)4.5(+0.5)
bushfire606.4(+0.4)6.7(+0.7)
heat505.5(+0.5)6.0(+1.0)
coastal101.01.0

Under a moderate emissions scenario, Mundijong is projected to experience a slight increase in overall climate risk, with notable increases in bushfire and heatwave risks.

CSIRO Climate Projections

Adaptation Recommendations

Improve Bushfire Preparedness

Immediate

Implement community education programs, maintain firebreaks, and develop bushfire survival plans.

Est. cost: Low

Learn more

Enhance Flood Mitigation Infrastructure

Near-term

Upgrade drainage systems, construct flood barriers, and implement early warning systems.

Est. cost: Medium

Learn more

Develop Heatwave Management Plan

Immediate

Establish cooling centers, provide public health advice, and ensure access to water during heatwaves.

Est. cost: Low

Learn more

Promote Water Conservation

Long-term

Implement water restrictions, encourage water-efficient landscaping, and invest in water recycling technologies.

Est. cost: Medium

Learn more

Support Community Resilience Building

Near-term

Foster community networks, provide training in emergency response, and promote social cohesion.

Est. cost: Low

Learn more

About Mundijong's Climate Risk Profile

Mundijong, located in Western Australia, is increasingly vulnerable to the impacts of climate change. The primary risks include bushfires, heatwaves, and flooding. These hazards are projected to intensify in the future, posing challenges to the community and local infrastructure.

Bushfire risk is significant due to the surrounding bushland and dry conditions during the summer months. Heatwaves are becoming more frequent and intense, impacting public health, especially for vulnerable populations. Flooding can occur due to heavy rainfall events and the overflow of the Serpentine River.

Climate projections indicate that these risks will worsen. Higher temperatures, altered rainfall patterns, and more frequent extreme weather events are expected. This necessitates proactive adaptation strategies to mitigate the potential impacts.

Local authorities and residents need to work together to implement measures such as improved bushfire management, heatwave preparedness plans, and flood mitigation infrastructure. Addressing climate change impacts is crucial for ensuring the long-term sustainability and resilience of Mundijong.

Data sources: BOM · CSIRO · DFES · DWER

Local Government Resources

Shire of Serpentine-Jarrahdale

Climate StrategyFlood MapsEmergency Services

Frequently Asked Questions

What are the main climate change risks in Mundijong?

The main climate change risks in Mundijong are bushfires, heatwaves, and flooding. These risks are expected to increase in the future due to climate change.

How can I prepare my property for bushfires in Mundijong?

You can prepare your property for bushfires by maintaining firebreaks, clearing vegetation around your home, and having a bushfire survival plan.

What is the Shire of Serpentine-Jarrahdale doing to address climate change?

The Shire of Serpentine-Jarrahdale is developing and implementing climate strategies to reduce emissions and adapt to the impacts of climate change.

Where can I find information about flood risks in Mundijong?

You can find information about flood risks in Mundijong on the Shire of Serpentine-Jarrahdale website and the Department of Water and Environmental Regulation website.

How can I stay safe during a heatwave in Mundijong?

During a heatwave, stay indoors in air-conditioned environments, drink plenty of water, and avoid strenuous activities. Check on vulnerable neighbors and family members.

Are there any community groups in Mundijong focused on climate action?

Yes, there are several community groups in the region focused on environmental sustainability and climate action. Check the Shire's website for a list of local groups.

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