Heat Risk in Jerrawangala, NSW: 2026 Assessment

Jerrawangala, New South Wales· UNKNOWN
Jerrawangala experiences moderate heat risk, with increasing average temperatures and more frequent heatwaves projected. This poses a risk to vulnerable populations.Updated 25 May 2026

Heat Risk Score

5.0/10

Jerrawangala experiences moderate heat risk, with increasing average temperatures and more frequent heatwaves projected. This poses a risk to vulnerable populations.

Key Facts

Heat Risk
Jerrawangala experiences moderate heat risk, with increasing average temperatures and more frequent heatwaves projected. This poses a risk to vulnerable populations.
Trend
increasing
Suburb
Jerrawangala, NSW
Overall Risk
Medium
Postcode
2540
Highest high-risk exposure
19.6% of land (bushfire)

Heat Risk Analysis

Jerrawangala 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 Jerrawangala 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 in the region.

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

Jerrawangala (postcode 2540) 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 (19.6% of land in high-risk zones), riverine flood (10.5% of land in high-risk zones), surface flood (7.9% of land in high-risk zones). Exposure is not uniform across Jerrawangala — 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 °C
Heat Stress Events/Year3
Urban Heat ContextHeatwaves are becoming more frequent in the region.

Adaptation & Mitigation Actions

Improve Bushfire Preparedness

Immediate

Create a bushfire survival plan, clear vegetation around your home, and ensure you have adequate insurance coverage.

Est. cost: Low

Enhance Flood Mitigation

Near-term

Install flood barriers, improve drainage around your property, and be aware of flood warnings.

Est. cost: Medium

Promote Heat-Safe Practices

Immediate

Stay hydrated, seek air-conditioned environments during heatwaves, and check on vulnerable neighbors.

Est. cost: Low

Invest in Renewable Energy

Long-term

Install solar panels and battery storage to reduce your carbon footprint and increase energy resilience.

Est. cost: High

Council & Emergency Services

Shoalhaven City Council
Emergency Services

Data last updated: 25 May 2026

Explore Jerrawangala Risk Reports

Frequently Asked Questions

How hot does Jerrawangala get in summer?

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

Is extreme heat increasing in Jerrawangala?

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 Jerrawangala 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 Jerrawangala and the performance of your building envelope.

What heat mitigation measures work best in Jerrawangala?

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 Jerrawangala is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 19.6% of Jerrawangala in high-risk zones for bushfire, with a further 53.6% 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 Jerrawangala Safe from Climate Risk?

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