Heat Risk in North Fremantle, WA: 2026 Assessment
Heat Risk Score
5.5/10North Fremantle experiences moderate heat risk, with increasing average temperatures and more frequent heatwaves projected. This could impact vulnerable populations and infrastructure.
Key Facts
- Heat Risk
- North Fremantle experiences moderate heat risk, with increasing average temperatures and more frequent heatwaves projected. This could impact vulnerable populations and infrastructure.
- Trend
- increasing
- Suburb
- North Fremantle, WA
- Overall Risk
- Medium
- Postcode
- 6159
- Highest high-risk exposure
- 10.9% of land (bushfire)
Heat Risk Analysis
North Fremantle 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 North Fremantle 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.
Elderly residents are particularly vulnerable during heatwaves.
Get an address-level heat risk assessment from ClimateNest for North Fremantle including cooling cost estimates, heatwave vulnerability scoring, and adaptation recommendations tailored to your property.
North Fremantle (postcode 6159) 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 (10.9% of land in high-risk zones), surface flood (7.5% of land in high-risk zones), riverine flood (7.4% of land in high-risk zones). Exposure is not uniform across North Fremantle — 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 hospital admissions.
Adaptation & Mitigation Actions
Improve drainage infrastructure
Near-termUpgrade drainage systems to handle increased rainfall and reduce flood risk.
Est. cost: Medium
Implement coastal protection measures
Near-termConstruct seawalls and other coastal defenses to protect against erosion and sea level rise.
Est. cost: High
Develop a heatwave management plan
ImmediateEstablish cooling centers and provide support for vulnerable populations during heatwaves.
Est. cost: Low
Promote water conservation
Long-termEncourage residents to reduce water consumption to mitigate the impacts of drought.
Est. cost: Low
Raise awareness of climate risks
ImmediateEducate residents about the impacts of climate change and how to prepare for extreme weather events.
Est. cost: Low
Council & Emergency Services
Explore North Fremantle Risk Reports
View other climate risk assessments for North Fremantle:
Frequently Asked Questions
How hot does North Fremantle get in summer?
North Fremantle in Western Australia experiences summer temperatures consistent with the regional climate. BOM publishes historical temperature data for weather stations near North Fremantle. Get a property-specific heat exposure assessment with projected cooling costs from ClimateNest.
Is extreme heat increasing in North Fremantle?
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 North Fremantle 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 North Fremantle and the performance of your building envelope.
What heat mitigation measures work best in North Fremantle?
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 North Fremantle is exposed to high bushfire risk?
ClimateNest's hazard overlay maps 10.9% of North Fremantle in high-risk zones for bushfire, with a further 65.8% 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 North Fremantle Safe from Climate Risk?
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