Heat Risk in Freemantle, NSW: 2026 Assessment

Freemantle, New South Wales· UNKNOWN
Freemantle is likely to experience more frequent and intense heatwaves due to climate change. This can impact vulnerable populations and increase energy demand for cooling.Updated 14 Apr 2026

Heat Risk Score

7.0/10

Freemantle is likely to experience more frequent and intense heatwaves due to climate change. This can impact vulnerable populations and increase energy demand for cooling.

Key Facts

Heat Risk
Freemantle is likely to experience more frequent and intense heatwaves due to climate change. This can impact vulnerable populations and increase energy demand for cooling.
Trend
increasing
Suburb
Freemantle, NSW
Overall Risk
Medium
Postcode
2795
Region
Regional NSW
Median property value
$550,000
Dominant hazard
extreme heat (6/10)
Highest high-risk exposure
22.3% of land (bushfire)

Heat Risk Analysis

Freemantle in New South Wales 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 Freemantle 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.

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

Climate projections show heat risk in Freemantle is tied to the broader Regional NSW climate. The suburb scores 6 on the 0–10 heat index, with the number of days above 35°C expected to grow through 2050 — a factor that affects cooling costs, garden viability and property desirability.

Freemantle located in Regional NSW (postcode 2795), is a New South Wales suburb tracked by ClimateNest. The suburb's median property value is $550,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Freemantle.

Across the six hazard axes ClimateNest models, the dominant climate risk in Freemantle is extreme heat (score 6/10), with moderate exposure. Insurance signals for the suburb point to premiums rising moderately (+25% by 2030). These suburb-level signals help prioritise which properties need the closest look — the actual risk of any single home can only be confirmed with an address-level report.

Whether you are buying, selling or renovating in Freemantle, extreme heat is the hazard to weigh first. Local council planning controls, state hazard mapping and lender climate policies each reference this kind of suburb-level signal, and property decisions in Freemantle are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Avg January Max Temp30.5 °C
Heat Stress Events/Year3
Urban Heat ContextHeatwaves are becoming more frequent.

Historical Events

2017
Moderate

A prolonged heatwave affected the region, with temperatures exceeding 40°C.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Upgrade drainage systems and implement flood barriers to protect properties from flooding.

Est. cost: Medium

Bushfire Preparedness

Immediate

Clear vegetation around properties and develop a bushfire survival plan.

Est. cost: Low

Heatwave Action Plan

Near-term

Develop a heatwave action plan to protect vulnerable residents during extreme heat events.

Est. cost: Low

Promote Water Conservation

Long-term

Implement water conservation measures to reduce water demand during droughts.

Est. cost: Low

Council & Emergency Services

UNKNOWN
Emergency Services

Data last updated: 14 April 2026

Explore Freemantle Risk Reports

Frequently Asked Questions

How hot does Freemantle get in summer?

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

Is extreme heat increasing in Freemantle?

Australia-wide, extreme heat events have become more frequent since the mid-20th century, and this trend is consistent with CSIRO climate projections for New South Wales. Continued warming is likely through 2050 under all emissions scenarios.

How does heat affect energy costs for Freemantle 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 Freemantle and the performance of your building envelope.

What heat mitigation measures work best in Freemantle?

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 are the main climate risks in Freemantle?

ClimateNest's suburb model rates Freemantle's dominant climate risk as extreme heat at 6/10 on a 0–10 index, followed by bushfire (5/10) and damaging wind (4/10). These are suburb-level averages — an address-level report is needed to confirm the risk of a specific property in Freemantle.

What share of Freemantle is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 22.3% of Freemantle in high-risk zones for bushfire, with a further 48.3% 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 Freemantle Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Freemantle, New South Wales, 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