Heat Risk in Wyndham, WA: 2026 Assessment
Heat Risk Score
7.0/10Wyndham experiences high temperatures during summer, with the risk of heatwaves increasing due to climate change. This poses a threat to vulnerable populations.
Key Facts
- Heat Risk
- Wyndham experiences high temperatures during summer, with the risk of heatwaves increasing due to climate change. This poses a threat to vulnerable populations.
- Trend
- increasing
- Suburb
- Wyndham, WA
- Overall Risk
- High
- Postcode
- 6740
- Highest high-risk exposure
- 13.2% of land (bushfire)
Heat Risk Analysis
Wyndham in Western Australia faces elevated extreme heat risk. The Bureau of Meteorology (BOM) reports that Australia's average temperature has increased by approximately 1.5 °C since 1910, with the frequency of extreme heat days rising across most regions.
The urban heat island (UHI) effect can make built-up areas of Wyndham warmer than surrounding rural areas, particularly on summer nights. Dark roof materials, limited tree canopy cover, and heat-absorbing surfaces contribute to localised heat stress that varies by property.
Wyndham experiences frequent heat stress events during summer.
Get an address-level heat risk assessment from ClimateNest for Wyndham including cooling cost estimates, heatwave vulnerability scoring, and adaptation recommendations tailored to your property.
Wyndham (postcode 6740) 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 (13.2% of land in high-risk zones), surface flood (6.6% of land in high-risk zones), riverine flood (3.7% of land in high-risk zones). Exposure is not uniform across Wyndham — 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
Historical Events
A prolonged heatwave in January resulted in increased hospital admissions and strain on infrastructure.
Adaptation & Mitigation Actions
Improve Bushfire Management
ImmediateImplement comprehensive bushfire management strategies, including controlled burns, vegetation management, and community education programs.
Est. cost: High
Enhance Heatwave Preparedness
ImmediateDevelop and implement a heatwave management plan, including public awareness campaigns, cooling centers, and support for vulnerable populations.
Est. cost: Medium
Strengthen Coastal Defenses
Near-termInvest in coastal protection measures, such as seawalls, dune restoration, and managed retreat, to protect coastal communities and infrastructure from sea level rise and erosion.
Est. cost: Very High
Upgrade Flood Infrastructure
Near-termUpgrade drainage systems and flood control infrastructure to reduce the risk of flooding in urban areas.
Est. cost: High
Promote Water Conservation
Long-termImplement water conservation measures to reduce water demand and ensure water security during prolonged droughts.
Est. cost: Low
Council & Emergency Services
Explore Wyndham Risk Reports
View other climate risk assessments for Wyndham:
Frequently Asked Questions
How hot does Wyndham get in summer?
Wyndham in Western Australia experiences summer temperatures consistent with the regional climate. BOM publishes historical temperature data for weather stations near Wyndham. Get a property-specific heat exposure assessment with projected cooling costs from ClimateNest.
Is extreme heat increasing in Wyndham?
Australia-wide, extreme heat events have become more frequent since the mid-20th century, and this trend is consistent with CSIRO climate projections for Western Australia. Continued warming is likely through 2050 under all emissions scenarios.
How does heat affect energy costs for Wyndham properties?
Higher temperatures increase cooling demand, which raises electricity costs. ClimateNest provides energy cost projections based on your property's specific exposure to extreme heat days in Wyndham and the performance of your building envelope.
What heat mitigation measures work best in Wyndham?
Effective heat mitigation includes light-coloured roofing (cool roofs), ceiling and wall insulation, double-glazed windows, external shading, cross-ventilation design, and increasing tree canopy around the property. These measures reduce indoor temperatures and cooling costs.
What share of Wyndham is exposed to high bushfire risk?
ClimateNest's hazard overlay maps 13.2% of Wyndham in high-risk zones for bushfire, with a further 76.9% 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 Wyndham Safe from Climate Risk?
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