Heat Risk in Cathundral, NSW: 2026 Assessment

Cathundral, New South Wales
Heatwaves are becoming more frequent and intense, posing a risk to vulnerable populations and infrastructure.Updated 29 May 2026

Heat Risk Score

6.5/10

Heatwaves are becoming more frequent and intense, posing a risk to vulnerable populations and infrastructure.

Key Facts

Heat Risk
Heatwaves are becoming more frequent and intense, posing a risk to vulnerable populations and infrastructure.
Trend
increasing
Suburb
Cathundral, NSW
Overall Risk
Medium
Postcode
2823
Region
Regional NSW
Median property value
$550,000
Dominant hazard
extreme heat (6/10)
Highest high-risk exposure
18.4% of land (bushfire)

Heat Risk Analysis

Cathundral 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 Cathundral 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 and intense in the region.

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

Climate projections show heat risk in Cathundral is tied to the broader Regional NSW climate. The suburb scores 6 on the 0–10 heat index, with the number of days above 35°C expected to grow through 2050 — a factor that affects cooling costs, garden viability and property desirability.

Cathundral located in Regional NSW (postcode 2823), is a New South Wales suburb tracked by ClimateNest. The suburb's median property value is $550,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Cathundral.

Across the six hazard axes ClimateNest models, the dominant climate risk in Cathundral is extreme heat (score 6/10), with moderate exposure. Insurance signals for the suburb point to premiums rising moderately (+25% by 2030). These suburb-level signals help prioritise which properties need the closest look — the actual risk of any single home can only be confirmed with an address-level report.

Whether you are buying, selling or renovating in Cathundral, extreme heat is the hazard to weigh first. Local council planning controls, state hazard mapping and lender climate policies each reference this kind of suburb-level signal, and property decisions in Cathundral are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Avg January Max Temp32.5 °C
Heat Stress Events/Year3
Urban Heat ContextHeatwaves are becoming more frequent and intense in the region.

Historical Events

2017
Moderate

A prolonged heatwave resulted in heat stress and health impacts.

Adaptation & Mitigation Actions

Develop a bushfire survival plan

Immediate

Prepare a plan for evacuating your home in the event of a bushfire. Clear vegetation around your property and have a bushfire survival kit ready.

Est. cost: Low

Improve home cooling

Near-term

Install air conditioning or fans to help keep your home cool during heatwaves. Insulate your home to reduce heat gain.

Est. cost: Medium

Reduce flood risk

Near-term

Elevate your home if it is in a flood-prone area. Install flood barriers and ensure your property is properly drained.

Est. cost: High

Conserve water

Long-term

Install water-efficient appliances and fixtures. Collect rainwater for use in your garden.

Est. cost: Low

Support community resilience initiatives

Long-term

Participate in local community groups and initiatives that promote climate resilience. Advocate for policies that address climate change.

Est. cost: Low

Council & Emergency Services

Example Council
Emergency Services

Data last updated: 29 May 2026

Explore Cathundral Risk Reports

Frequently Asked Questions

How hot does Cathundral get in summer?

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

Is extreme heat increasing in Cathundral?

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 Cathundral 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 Cathundral and the performance of your building envelope.

What heat mitigation measures work best in Cathundral?

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 are the main climate risks in Cathundral?

ClimateNest's suburb model rates Cathundral's dominant climate risk as extreme heat at 6/10 on a 0–10 index, followed by bushfire (5/10) and damaging wind (4/10). These are suburb-level averages — an address-level report is needed to confirm the risk of a specific property in Cathundral.

What share of Cathundral is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 18.4% of Cathundral in high-risk zones for bushfire, with a further 71.6% 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 Cathundral Safe from Climate Risk?

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