📮 Kurrajong Heights postcode: 2758

Heat Risk in Kurrajong Heights, NSW: 2026 Assessment

Kurrajong Heights, New South Wales· Hawkesbury· 2758
Kurrajong Heights experiences moderate heat risk, with increasing average temperatures and more frequent heatwaves. Vulnerable populations, such as the elderly and those with chronic illnesses, are particularly at risk.Updated 10 May 2026

Heat Risk Score

4.0/10

Kurrajong Heights experiences moderate heat risk, with increasing average temperatures and more frequent heatwaves. Vulnerable populations, such as the elderly and those with chronic illnesses, are particularly at risk.

Key Facts

Heat Risk
Kurrajong Heights experiences moderate heat risk, with increasing average temperatures and more frequent heatwaves. Vulnerable populations, such as the elderly and those with chronic illnesses, are particularly at risk.
Trend
increasing
Suburb
Kurrajong Heights, NSW
Overall Risk
Medium
Postcode
2758
Highest high-risk exposure
13.9% of land (riverine flood)

Heat Risk Analysis

Kurrajong Heights 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 Kurrajong Heights 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 Kurrajong Heights including cooling cost estimates, heatwave vulnerability scoring, and adaptation recommendations tailored to your property.

Kurrajong Heights (postcode 2758) 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 (13.9% of land in high-risk zones), bushfire (8.1% of land in high-risk zones), surface flood (5.2% of land in high-risk zones). Exposure is not uniform across Kurrajong Heights — 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 Temp30.5 °C
Heat Stress Events/Year3
Urban Heat ContextHeatwaves are becoming more frequent and intense.

Adaptation & Mitigation Actions

Improve drainage infrastructure

Near-term

Upgrade drainage systems to handle increased rainfall intensity and reduce the risk of flash flooding.

Est. cost: High

Implement bushfire mitigation measures

Immediate

Clear vegetation around properties, create firebreaks, and develop community bushfire preparedness plans.

Est. cost: Medium

Establish a community heatwave plan

Near-term

Develop a plan to support vulnerable residents during heatwaves, including providing cooling centers and outreach services.

Est. cost: Low

Promote water conservation

Long-term

Encourage residents to conserve water to reduce the strain on water resources during prolonged dry periods.

Est. cost: Low

Council & Emergency Services

Hawkesbury City Council
Emergency Services

Data last updated: 10 May 2026

Explore Kurrajong Heights Risk Reports

Frequently Asked Questions

How hot does Kurrajong Heights get in summer?

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

Is extreme heat increasing in Kurrajong Heights?

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 Kurrajong Heights 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 Kurrajong Heights and the performance of your building envelope.

What heat mitigation measures work best in Kurrajong Heights?

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 Kurrajong Heights is exposed to high riverine flood risk?

ClimateNest's hazard overlay maps 13.9% of Kurrajong Heights in high-risk zones for riverine flood, with a further 79% 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 Kurrajong Heights Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Kurrajong Heights, 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