Heat Risk in Rossglen, NSW: 2026 Assessment

Rossglen, New South Wales· UNKNOWN
Rising average temperatures and more frequent heatwaves pose a risk to vulnerable populations.Updated 10 May 2026

Heat Risk Score

7.0/10

Rising average temperatures and more frequent heatwaves pose a risk to vulnerable populations.

Key Facts

Heat Risk
Rising average temperatures and more frequent heatwaves pose a risk to vulnerable populations.
Trend
increasing
Suburb
Rossglen, NSW
Overall Risk
Medium
Postcode
2439
Highest high-risk exposure
18.3% of land (bushfire)

Heat Risk Analysis

Rossglen 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 Rossglen 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.

Monitor BOM forecasts for heatwave warnings.

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

Rossglen (postcode 2439) 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 (18.3% of land in high-risk zones), surface flood (11.6% of land in high-risk zones), riverine flood (6.2% of land in high-risk zones). Exposure is not uniform across Rossglen — 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/Year3
Urban Heat ContextMonitor BOM forecasts for heatwave warnings.

Historical Events

2017
Moderate

Prolonged heatwave with record-breaking temperatures, causing heat stress and health concerns.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Upgrade drainage infrastructure and implement flood-proofing measures for properties in high-risk areas.

Est. cost: Medium

Enhance Bushfire Preparedness

Near-term

Implement bushfire management plans, clear vegetation around properties, and ensure access to water for firefighting.

Est. cost: Low

Develop Heatwave Response Plan

Immediate

Establish cooling centers, provide public education on heat safety, and ensure vulnerable populations have access to support during heatwaves.

Est. cost: Medium

Promote Water Conservation

Long-term

Implement water restrictions, encourage water-efficient landscaping, and invest in water recycling infrastructure to mitigate drought risks.

Est. cost: High

Council & Emergency Services

Example Council
Emergency Services

Data last updated: 10 May 2026

Explore Rossglen Risk Reports

Frequently Asked Questions

How hot does Rossglen get in summer?

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

Is extreme heat increasing in Rossglen?

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 Rossglen 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 Rossglen and the performance of your building envelope.

What heat mitigation measures work best in Rossglen?

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 Rossglen is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 18.3% of Rossglen in high-risk zones for bushfire, with a further 69.4% 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 Rossglen Safe from Climate Risk?

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