Heat Risk in Coolumburra, NSW: 2026 Assessment

Coolumburra, New South Wales· UNKNOWN
Coolumburra is likely to experience more frequent and intense heatwaves, posing a risk to vulnerable populations. Higher average temperatures and prolonged periods of extreme heat can lead to heat stress and other health issues.Updated 25 May 2026

Heat Risk Score

7.1/10

Coolumburra is likely to experience more frequent and intense heatwaves, posing a risk to vulnerable populations. Higher average temperatures and prolonged periods of extreme heat can lead to heat stress and other health issues.

Key Facts

Heat Risk
Coolumburra is likely to experience more frequent and intense heatwaves, posing a risk to vulnerable populations. Higher average temperatures and prolonged periods of extreme heat can lead to heat stress and other health issues.
Trend
increasing
Suburb
Coolumburra, NSW
Overall Risk
Medium
Postcode
2622
Region
Regional NSW
Median property value
$550,000
Dominant hazard
extreme heat (6/10)
Highest high-risk exposure
18.6% of land (bushfire)

Heat Risk Analysis

Coolumburra 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 Coolumburra 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.

The number of days exceeding 35°C is projected to increase significantly in the coming decades.

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

Climate projections show heat risk in Coolumburra 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.

Coolumburra located in Regional NSW (postcode 2622), 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 Coolumburra.

Across the six hazard axes ClimateNest models, the dominant climate risk in Coolumburra 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 Coolumburra, 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 Coolumburra are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Avg January Max Temp32.5 °C
Heat Stress Events/Year5
Urban Heat ContextThe number of days exceeding 35°C is projected to increase significantly in the coming decades.

Historical Events

2017
Major

Prolonged heatwave with record-breaking temperatures caused heat stress and strain on infrastructure.

Adaptation & Mitigation Actions

Improve drainage infrastructure

Near-term

Upgrade drainage systems to handle increased rainfall intensity and reduce the risk of flash flooding.

Est. cost: Medium

Implement bushfire management strategies

Immediate

Reduce fuel loads in surrounding bushland and implement community education programs to improve bushfire preparedness.

Est. cost: Low

Develop a heatwave response plan

Near-term

Establish cooling centers and provide support for vulnerable populations during heatwaves.

Est. cost: Low

Promote water conservation

Long-term

Encourage water-efficient landscaping and implement water restrictions during dry periods to conserve water resources.

Est. cost: Low

Council & Emergency Services

Local Council
Emergency Services

Data last updated: 25 May 2026

Explore Coolumburra Risk Reports

Frequently Asked Questions

How hot does Coolumburra get in summer?

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

Is extreme heat increasing in Coolumburra?

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 Coolumburra 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 Coolumburra and the performance of your building envelope.

What heat mitigation measures work best in Coolumburra?

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 Coolumburra?

ClimateNest's suburb model rates Coolumburra'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 Coolumburra.

What share of Coolumburra is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 18.6% of Coolumburra in high-risk zones for bushfire, with a further 72.7% 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 Coolumburra Safe from Climate Risk?

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