Heat Risk in Lesmurdie, WA: 2026 Assessment
Heat Risk Score
6.0/10Lesmurdie experiences a moderate risk from heatwaves, with increasing average temperatures and more frequent extreme heat days projected. This poses a risk to vulnerable populations.
Key Facts
- Heat Risk
- Lesmurdie experiences a moderate risk from heatwaves, with increasing average temperatures and more frequent extreme heat days projected. This poses a risk to vulnerable populations.
- Trend
- increasing
- Suburb
- Lesmurdie, WA
- Overall Risk
- Medium
- Postcode
- 6076
- Highest high-risk exposure
- 8.5% of land (riverine flood)
Heat Risk Analysis
Lesmurdie 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 Lesmurdie 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.
The number of days exceeding 35°C is projected to increase in the coming decades, leading to more frequent and intense heat stress events.
Get an address-level heat risk assessment from ClimateNest for Lesmurdie including cooling cost estimates, heatwave vulnerability scoring, and adaptation recommendations tailored to your property.
Lesmurdie (postcode 6076) 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 riverine flood (8.5% of land in high-risk zones), surface flood (6.8% of land in high-risk zones), bushfire (6.1% of land in high-risk zones). Exposure is not uniform across Lesmurdie — 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 resulted in increased demand for emergency services and strain on infrastructure.
Adaptation & Mitigation Actions
Improve Bushfire Preparedness
ImmediateImplement bushfire protection measures, such as clearing vegetation around properties, installing firebreaks, and developing a bushfire survival plan.
Est. cost: Low to Medium
Upgrade Drainage Infrastructure
Near-termInvest in upgrading drainage infrastructure to improve flood management and reduce the risk of localized flooding during heavy rainfall events.
Est. cost: Medium to High
Implement Heatwave Management Plan
Near-termDevelop and implement a heatwave management plan to protect vulnerable populations during extreme heat events, including establishing cooling centers and providing public awareness campaigns.
Est. cost: Low to Medium
Promote Water Conservation
Long-termEncourage water conservation measures to reduce water demand and ensure water security during periods of drought and heatwaves.
Est. cost: Low
Council & Emergency Services
Explore Lesmurdie Risk Reports
View other climate risk assessments for Lesmurdie:
Frequently Asked Questions
How hot does Lesmurdie get in summer?
Lesmurdie in Western Australia experiences summer temperatures consistent with the regional climate. BOM publishes historical temperature data for weather stations near Lesmurdie. Get a property-specific heat exposure assessment with projected cooling costs from ClimateNest.
Is extreme heat increasing in Lesmurdie?
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 Lesmurdie 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 Lesmurdie and the performance of your building envelope.
What heat mitigation measures work best in Lesmurdie?
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 Lesmurdie is exposed to high riverine flood risk?
ClimateNest's hazard overlay maps 8.5% of Lesmurdie in high-risk zones for riverine flood, with a further 82.4% 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 Lesmurdie Safe from Climate Risk?
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