Heat Risk in Palmyra, WA: 2026 Assessment

Palmyra, Western Australia· UNKNOWN

Palmyra is likely to experience more frequent and intense heatwaves. This poses a risk to vulnerable populations, especially the elderly and those with pre-existing health conditions.Updated 22 Mar 2026

Is Palmyra Safe from Climate Risk?

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

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$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

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Heat Risk Score

Not assessed

Palmyra is likely to experience more frequent and intense heatwaves. This poses a risk to vulnerable populations, especially the elderly and those with pre-existing health conditions.

Key Facts

Heat Risk: Palmyra is likely to experience more frequent and intense heatwaves. This poses a risk to vulnerable populations, especially the elderly and those with pre-existing health conditions.
Trend: increasing
Suburb: Palmyra, WA
Overall Risk: Medium
Postcode: 6157

Heat Risk Analysis

Palmyra in Western Australia faces location-specific 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 Palmyra 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 urban environment contributes to the urban heat island effect.

Get an address-level heat risk assessment from ClimateNest for Palmyra including cooling cost estimates, heatwave vulnerability scoring, and adaptation recommendations tailored to your property.

ClimateNest assesses hazards at the address rather than the suburb, because exposure varies street by street within Palmyra. An address-level check is what tells you about a specific property before you buy, sell or insure it.

Local Hazard Evidence

Avg January Max Temp31.5 °C

Heat Stress Events/Year5

Urban Heat ContextThe urban environment contributes to the urban heat island effect.

Historical Events

2017

Moderate

A prolonged heatwave resulted in increased hospital admissions.

Adaptation & Mitigation Actions

Upgrade Drainage Infrastructure

Near-term

Improve stormwater drainage systems to handle increased rainfall intensity and reduce flooding risks.

Est. cost: Medium

Implement Heatwave Action Plan

Immediate

Develop and implement a heatwave action plan to protect vulnerable populations during extreme heat events.

Est. cost: Low

Coastal Protection Measures

Long-term

Invest in coastal protection measures, such as seawalls and beach nourishment, to mitigate the impacts of sea level rise and coastal erosion.

Est. cost: High

Promote Water Conservation

Near-term

Encourage water conservation practices to reduce water demand and improve drought resilience.

Est. cost: Low

Council & Emergency Services

City of Fremantle

Emergency Services

Data last updated: 22 March 2026

Explore Palmyra Risk Reports

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Frequently Asked Questions

How hot does Palmyra get in summer?

Palmyra in Western Australia experiences summer temperatures consistent with the regional climate. BOM publishes historical temperature data for weather stations near Palmyra. Get a property-specific heat exposure assessment with projected cooling costs from ClimateNest.

Is extreme heat increasing in Palmyra?

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 Palmyra 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 Palmyra and the performance of your building envelope.

What heat mitigation measures work best in Palmyra?

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.