Storm Risk in Dunsborough, WA: 2026 Assessment

Dunsborough, Western Australia· UNKNOWN
Moderate storm risk — winter storms and occasional severe thunderstormsUpdated 1 Apr 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
Dunsborough, WA
Overall Risk
Medium
Postcode
6281
Region
Coastal WA
Median property value
$575,000
Dominant hazard
extreme heat (5/10)
Highest high-risk exposure
14.2% of land (bushfire)

Storm Risk Analysis

Dunsborough, 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 Dunsborough.

Severe thunderstorms affecting Dunsborough 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 Dunsborough property owners, this reinforces the value of storm-resistant building features and comprehensive insurance.

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

Dunsborough sits within ClimateNest's suburb-level hazard model for severe storm risk. 8.2% of the suburb's land area is mapped in high-risk severe storm zones and 67.2% 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 Dunsborough.

On ClimateNest's 0–10 suburb hazard index, Dunsborough scores 4 for severe storm risk — a moderate exposure relative to the Australian suburb range. For comparison, properties in Dunsborough can still sit well above or below this suburb average depending on elevation, distance to waterways or vegetation, and local drainage.

Dunsborough located in Coastal WA (postcode 6281), is a Western Australia suburb tracked by ClimateNest. The suburb's median property value is $575,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Dunsborough.

Across the six hazard axes ClimateNest models, the dominant climate risk in Dunsborough is extreme heat (score 5/10), with moderate exposure. Insurance signals for the suburb point to premiums rising moderately (+25% by 2030). These suburb-level signals help prioritise which properties need the closest look — the actual risk of any single home can only be confirmed with an address-level report.

Whether you are buying, selling or renovating in Dunsborough, extreme heat is the hazard to weigh first. Local council planning controls, state hazard mapping and lender climate policies each reference this kind of suburb-level signal, and property decisions in Dunsborough are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Wind/Storm RegionModerate
Storm Risk LevelModerate
Distance to Coast0.5 km

Adaptation & Mitigation Actions

Develop a comprehensive bushfire management plan

Immediate

Implement strategies to reduce bushfire risk, including vegetation management, fire breaks, and community education programs.

Est. cost: High

Upgrade infrastructure to withstand extreme heat

Near-term

Improve the resilience of power grids, water supply systems, and transportation networks to cope with more frequent and intense heatwaves.

Est. cost: Very High

Implement coastal protection measures

Near-term

Construct sea walls, restore dunes, and implement other strategies to protect coastal areas from erosion and inundation.

Est. cost: High

Improve flood management infrastructure

Long-term

Upgrade drainage systems and build flood levees to reduce the risk of flooding from heavy rainfall events.

Est. cost: Very High

Promote water conservation

Long-term

Encourage residents and businesses to adopt water-saving measures to reduce water demand during droughts.

Est. cost: Low

Council & Emergency Services

UNKNOWN
Emergency Services

Data last updated: 1 April 2026

Explore Dunsborough Risk Reports

Frequently Asked Questions

Is Dunsborough prone to hailstorms?

Hail risk in Dunsborough 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 Dunsborough?

Under AS/NZS 1170.2, properties in Dunsborough 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 Dunsborough?

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 Dunsborough 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 are the main climate risks in Dunsborough?

ClimateNest's suburb model rates Dunsborough's dominant climate risk as extreme heat at 5/10 on a 0–10 index, followed by damaging wind (5/10) and bushfire (4/10). These are suburb-level averages — an address-level report is needed to confirm the risk of a specific property in Dunsborough.

What share of Dunsborough is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 14.2% of Dunsborough in high-risk zones for bushfire, with a further 75.7% 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 Dunsborough Safe from Climate Risk?

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

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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