📮 Mundijong postcode: 6123

Storm Risk in Mundijong, WA: 2026 Assessment

Mundijong, Western Australia· Serpentine-Jarrahdale· 6123
Moderate storm risk — winter storms and occasional severe thunderstormsUpdated 18 Mar 2026

Storm Risk Score

2.8/10

Moderate storm risk — winter storms and occasional severe thunderstorms

Key Facts

Storm Risk
Moderate storm risk — winter storms and occasional severe thunderstorms
Trend
stable
Suburb
Mundijong, WA
Overall Risk
Medium
Postcode
6123
Highest high-risk exposure
17.4% of land (bushfire)

Storm Risk Analysis

Mundijong, Western Australia, has a moderate storm risk profile. This includes exposure to severe thunderstorms, hail, damaging winds, and — in tropical regions — cyclone impacts. The applicable wind region classification under AS/NZS 1170.2 influences building design standards for Mundijong.

Severe thunderstorms affecting Mundijong can produce damaging wind gusts, large hail, and intense rainfall. The Bureau of Meteorology issues severe weather warnings for Western Australia, and historical storm data helps characterise the frequency and intensity of events in the region.

CSIRO research indicates that the intensity of severe convective storms — including those producing hail and damaging winds — may increase in a warming climate. For Mundijong property owners, this reinforces the value of storm-resistant building features and comprehensive insurance.

ClimateNest provides address-level storm risk reports for Mundijong including wind zone classification, hail risk probability, and property-specific mitigation recommendations based on your building characteristics.

Mundijong sits within ClimateNest's suburb-level hazard model for severe storm risk. 3.1% of the suburb's land area is mapped in high-risk severe storm zones and 85.3% in moderate-risk zones, based on the national hazard overlay. Exposure at this scale varies street by street, which is why an address-level check matters before you buy or insure a specific property in Mundijong.

Mundijong (postcode 6123) is tracked in ClimateNest's suburb hazard model, which maps the share of the suburb's land exposed to each hazard at high and moderate levels. The suburb's highest high-risk exposures are bushfire (17.4% of land in high-risk zones), riverine flood (8.2% of land in high-risk zones), surface flood (8% of land in high-risk zones). Exposure is not uniform across Mundijong — individual properties can sit well above or below these averages, so an address-level check is recommended before buying, selling or insuring.

Local Hazard Evidence

Wind/Storm RegionLow
Storm Risk LevelLow
Distance to Coast45 km

Adaptation & Mitigation Actions

Improve Bushfire Preparedness

Immediate

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

Est. cost: Low

Enhance Flood Mitigation Infrastructure

Near-term

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

Est. cost: Medium

Develop Heatwave Management Plan

Immediate

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

Est. cost: Low

Promote Water Conservation

Long-term

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

Est. cost: Medium

Support Community Resilience Building

Near-term

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

Est. cost: Low

Council & Emergency Services

Shire of Serpentine-Jarrahdale
Emergency Services

Data last updated: 18 March 2026

Explore Mundijong Risk Reports

Frequently Asked Questions

Is Mundijong prone to hailstorms?

Hail risk in Mundijong depends on the frequency of severe thunderstorm activity in the Western Australia region. BOM tracks severe storm events including hail. Property-specific risk depends on roof design, building orientation, and local storm patterns.

What wind rating applies to buildings in Mundijong?

Under AS/NZS 1170.2, properties in Mundijong are assigned a wind region classification. This rating determines structural design requirements for new buildings. Check with ClimateNest or a structural engineer for your property's classification.

Does storm risk affect insurance premiums in Mundijong?

Yes, storm damage — including wind, hail, and rain ingress — is one of the most common insurance claims in Australia. Properties in higher wind zones or with greater hail exposure may face higher premiums or specific policy conditions.

What storm mitigation measures should Mundijong property owners consider?

Storm mitigation includes impact-resistant roofing, cyclone-rated fixings where required, window and door shutters, regular roof and gutter maintenance, securing outdoor items, and ensuring compliance with current wind load standards under the National Construction Code.

What share of Mundijong is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 17.4% of Mundijong in high-risk zones for bushfire, with a further 65.8% in moderate-risk zones. Suburb-level exposure is not uniform — individual properties can differ from these averages, so an address-level check is recommended.

Is Mundijong Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Mundijong, Western Australia, covering flood, bushfire, sea level rise and more.

Free instant previewCSIRO-powered data

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