Heat Risk in Serpentine, WA: 2026 Assessment

Serpentine, Western Australia· UNKNOWN
Serpentine is likely to experience more frequent and intense heatwaves. This poses a risk to vulnerable populations and infrastructure.Updated 10 Mar 2026

Heat Risk Score

6.0/10

Serpentine is likely to experience more frequent and intense heatwaves. This poses a risk to vulnerable populations and infrastructure.

Key Facts

Heat Risk
Serpentine is likely to experience more frequent and intense heatwaves. This poses a risk to vulnerable populations and infrastructure.
Trend
increasing
Suburb
Serpentine, WA
Overall Risk
Medium
Postcode
6125
Highest high-risk exposure
10% of land (bushfire)

Heat Risk Analysis

Serpentine 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 Serpentine 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.

Heatwaves are becoming more frequent and intense.

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

Serpentine (postcode 6125) 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 (10% of land in high-risk zones), riverine flood (8.5% of land in high-risk zones), tropical cyclone (7.5% of land in high-risk zones). Exposure is not uniform across Serpentine — 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

Avg January Max Temp32.5 °C
Heat Stress Events/Year5
Urban Heat ContextHeatwaves are becoming more frequent and intense.

Historical Events

2010
Moderate

A prolonged heatwave resulted in heat stress and health concerns for vulnerable residents.

Adaptation & Mitigation Actions

Improve Drainage Infrastructure

Near-term

Upgrade drainage systems to handle increased rainfall and reduce flood risk.

Est. cost: High

Implement Bushfire Management Plans

Immediate

Develop and implement bushfire management plans to reduce the risk of property damage and loss of life.

Est. cost: Medium

Establish Heatwave Early Warning System

Near-term

Create a heatwave early warning system to alert residents of impending heatwaves and provide guidance on how to stay safe.

Est. cost: Low

Promote Water Conservation

Long-term

Encourage water conservation to reduce the strain on water resources during periods of drought and heat.

Est. cost: Low

Council & Emergency Services

Shire of Serpentine Jarrahdale
Emergency Services

Data last updated: 10 March 2026

Explore Serpentine Risk Reports

Frequently Asked Questions

How hot does Serpentine get in summer?

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

Is extreme heat increasing in Serpentine?

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 Serpentine 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 Serpentine and the performance of your building envelope.

What heat mitigation measures work best in Serpentine?

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 Serpentine is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 10% of Serpentine in high-risk zones for bushfire, with a further 61.4% 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 Serpentine Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Serpentine, 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