Heat Risk in Tongarra, NSW: 2026 Assessment

Tongarra, New South Wales· Shellharbour

Tongarra is likely to experience more frequent and intense heatwaves. This poses a risk to vulnerable populations, such as the elderly and those with chronic health conditions.Updated 31 May 2026

Is Tongarra Safe from Climate Risk?

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2022 insured disaster losses*

$300B+

climate risk to property by 2050*

30-120%

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Heat Risk Score

Not assessed

Tongarra is likely to experience more frequent and intense heatwaves. This poses a risk to vulnerable populations, such as the elderly and those with chronic health conditions.

Key Facts

Heat Risk: Tongarra is likely to experience more frequent and intense heatwaves. This poses a risk to vulnerable populations, such as the elderly and those with chronic health conditions.
Trend: increasing
Suburb: Tongarra, NSW
Overall Risk: Medium
Postcode: 2527

Heat Risk Analysis

Tongarra in New South Wales faces location-specific 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 Tongarra 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 can pose a significant health risk to vulnerable residents.

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

ClimateNest assesses hazards at the address rather than the suburb, because exposure varies street by street within Tongarra. An address-level check is what tells you about a specific property before you buy, sell or insure it.

Local Hazard Evidence

Avg January Max Temp27.5 °C

Heat Stress Events/Year3

Urban Heat ContextHeatwaves can pose a significant health risk to vulnerable residents.

Historical Events

2020

Moderate

Prolonged heatwave conditions impacted vulnerable residents.

Adaptation & Mitigation Actions

Upgrade flood defenses

Near-term

Invest in infrastructure to protect properties from flooding.

Est. cost: High

Improve bushfire management

Near-term

Implement strategies to reduce bushfire risk.

Est. cost: Medium

Develop heatwave response plan

Immediate

Create a plan to protect vulnerable residents during heatwaves.

Est. cost: Low

Protect coastal areas

Long-term

Implement measures to protect coastal properties from erosion and inundation.

Est. cost: High

Council & Emergency Services

Shellharbour City Council

Emergency Services

Data last updated: 31 May 2026

Explore Tongarra Risk Reports

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Frequently Asked Questions

How hot does Tongarra get in summer?

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

Is extreme heat increasing in Tongarra?

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 Tongarra 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 Tongarra and the performance of your building envelope.

What heat mitigation measures work best in Tongarra?

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.