📮 Woongarrah postcode: 2259

Heat Risk in Woongarrah, NSW: 2026 Assessment

Woongarrah, New South Wales· Central Coast· 2259
Woongarrah 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 30 May 2026

Heat Risk Score

7.1/10

Woongarrah 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
Woongarrah 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
Woongarrah, NSW
Overall Risk
Medium
Postcode
2259
Highest high-risk exposure
11.1% of land (bushfire)

Heat Risk Analysis

Woongarrah 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 Woongarrah 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.

Elderly residents and those with chronic illnesses are particularly vulnerable during heatwaves.

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

Woongarrah (postcode 2259) 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 (11.1% of land in high-risk zones), surface flood (7.8% of land in high-risk zones), riverine flood (6.8% of land in high-risk zones). Exposure is not uniform across Woongarrah — 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 Temp28.5 °C
Heat Stress Events/Year3
Urban Heat ContextElderly residents and those with chronic illnesses are particularly vulnerable during heatwaves.

Historical Events

2020
Moderate

A prolonged heatwave led to increased heat stress and health concerns in Woongarrah.

Adaptation & Mitigation Actions

Improve flood defenses

Near-term

Invest in infrastructure to mitigate flood risk, such as levees and improved drainage systems.

Est. cost: High

Reduce bushfire fuel loads

Immediate

Implement programs to reduce fuel loads in bushland areas and promote property maintenance.

Est. cost: Medium

Develop a heatwave response plan

Near-term

Create a plan to protect vulnerable populations during heatwaves, including cooling centers and public awareness campaigns.

Est. cost: Low

Plan for sea level rise

Long-term

Develop a long-term plan to address the potential impacts of sea level rise on coastal areas.

Est. cost: High

Community education programs

Near-term

Educate the community about climate risks and adaptation measures.

Est. cost: Low

Council & Emergency Services

Central Coast Council
Emergency Services

Data last updated: 30 May 2026

Explore Woongarrah Risk Reports

Frequently Asked Questions

How hot does Woongarrah get in summer?

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

Is extreme heat increasing in Woongarrah?

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 Woongarrah 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 Woongarrah and the performance of your building envelope.

What heat mitigation measures work best in Woongarrah?

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 Woongarrah is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 11.1% of Woongarrah in high-risk zones for bushfire, with a further 59.4% 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 Woongarrah Safe from Climate Risk?

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