📮 Kirrawee postcode: 2232

Heat Risk in Kirrawee, NSW: 2026 Assessment

Kirrawee, New South Wales· Sutherland Shire· 2232
Kirrawee experiences moderate heat risk, with increasing average temperatures and more frequent heatwaves expected in the future.Updated 26 May 2026

Heat Risk Score

4.5/10

Kirrawee experiences moderate heat risk, with increasing average temperatures and more frequent heatwaves expected in the future.

Key Facts

Heat Risk
Kirrawee experiences moderate heat risk, with increasing average temperatures and more frequent heatwaves expected in the future.
Trend
increasing
Suburb
Kirrawee, NSW
Overall Risk
Medium
Postcode
2232
Highest high-risk exposure
19.2% of land (bushfire)

Heat Risk Analysis

Kirrawee 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 Kirrawee 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 area of Kirrawee experiences a slight urban heat island effect, leading to higher temperatures compared to surrounding rural areas.

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

Kirrawee (postcode 2232) 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 (19.2% of land in high-risk zones), surface flood (6.3% of land in high-risk zones), riverine flood (4.8% of land in high-risk zones). Exposure is not uniform across Kirrawee — 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 Temp29 °C
Heat Stress Events/Year3
Urban Heat ContextThe urban area of Kirrawee experiences a slight urban heat island effect, leading to higher temperatures compared to surrounding rural areas.

Adaptation & Mitigation Actions

Improve Drainage Infrastructure

Near-term

Upgrade drainage systems to reduce the risk of flash flooding during heavy rainfall events.

Est. cost: Medium

Bushfire Risk Mitigation

Immediate

Implement vegetation management programs and promote fire-resistant landscaping to reduce bushfire risk.

Est. cost: Medium

Heatwave Preparedness

Near-term

Develop a heatwave management plan and provide cooling centers for vulnerable residents.

Est. cost: Low

Coastal Protection Measures

Long-term

Implement coastal protection measures to mitigate the impacts of sea level rise and storm surges.

Est. cost: High

Community Education Programs

Near-term

Raise awareness about climate change risks and adaptation measures through community education programs.

Est. cost: Low

Council & Emergency Services

Sutherland Shire Council
Emergency Services

Data last updated: 26 May 2026

Explore Kirrawee Risk Reports

Frequently Asked Questions

How hot does Kirrawee get in summer?

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

Is extreme heat increasing in Kirrawee?

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 Kirrawee 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 Kirrawee and the performance of your building envelope.

What heat mitigation measures work best in Kirrawee?

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 Kirrawee is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 19.2% of Kirrawee in high-risk zones for bushfire, with a further 52.2% 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 Kirrawee Safe from Climate Risk?

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