📮 Dunmore postcode: 2529

Heat Risk in Dunmore, NSW: 2026 Assessment

Dunmore, New South Wales· Shellharbour· 2529
Dunmore is likely to experience more frequent and intense heatwaves. This poses a risk to vulnerable populations, especially the elderly and those with pre-existing health conditions.Updated 25 May 2026

Heat Risk Score

6.0/10

Dunmore is likely to experience more frequent and intense heatwaves. This poses a risk to vulnerable populations, especially the elderly and those with pre-existing health conditions.

Key Facts

Heat Risk
Dunmore is likely to experience more frequent and intense heatwaves. This poses a risk to vulnerable populations, especially the elderly and those with pre-existing health conditions.
Trend
increasing
Suburb
Dunmore, NSW
Overall Risk
Medium
Postcode
2529
Region
Coastal NSW
Median property value
$925,000
Dominant hazard
extreme heat (5/10)
Highest high-risk exposure
8.2% of land (bushfire)

Heat Risk Analysis

Dunmore 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 Dunmore 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 are particularly vulnerable during heatwaves.

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

Climate projections show heat risk in Dunmore is tied to the broader Coastal NSW climate. The suburb scores 5 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.

Dunmore located in Coastal NSW (postcode 2529), is a New South Wales suburb tracked by ClimateNest. The suburb's median property value is $925,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Dunmore.

Across the six hazard axes ClimateNest models, the dominant climate risk in Dunmore is extreme heat (score 5/10), with moderate exposure. Insurance signals for the suburb point to premiums rising moderately (+30% 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 Dunmore, 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 Dunmore are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Avg January Max Temp27.5 °C
Heat Stress Events/Year3
Urban Heat ContextElderly residents are particularly vulnerable during heatwaves.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Invest in flood mitigation infrastructure, such as levees and drainage systems, to protect properties from flooding.

Est. cost: High

Develop Heat Action Plan

Immediate

Implement a heat action plan to protect vulnerable populations during heatwaves, including establishing cooling centers and providing public awareness campaigns.

Est. cost: Medium

Strengthen Coastal Protection

Long-term

Implement coastal protection measures, such as seawalls and beach nourishment, to reduce the impact of sea level rise and storm surges.

Est. cost: Very High

Enhance Bushfire Preparedness

Near-term

Implement bushfire mitigation measures, such as clearing vegetation around properties and developing evacuation plans.

Est. cost: Low

Council & Emergency Services

Shellharbour City Council
Emergency Services

Data last updated: 25 May 2026

Explore Dunmore Risk Reports

Frequently Asked Questions

How hot does Dunmore get in summer?

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

Is extreme heat increasing in Dunmore?

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 Dunmore 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 Dunmore and the performance of your building envelope.

What heat mitigation measures work best in Dunmore?

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 Dunmore?

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

What share of Dunmore is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 8.2% of Dunmore in high-risk zones for bushfire, with a further 66.8% 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 Dunmore Safe from Climate Risk?

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