Heat Risk in Koonorigan, NSW: 2026 Assessment

Koonorigan, New South Wales· UNKNOWN
Koonorigan is likely to experience more frequent and intense heatwaves, increasing the risk of heat stress for vulnerable populations.Updated 21 May 2026

Heat Risk Score

5.0/10

Koonorigan is likely to experience more frequent and intense heatwaves, increasing the risk of heat stress for vulnerable populations.

Key Facts

Heat Risk
Koonorigan is likely to experience more frequent and intense heatwaves, increasing the risk of heat stress for vulnerable populations.
Trend
increasing
Suburb
Koonorigan, NSW
Overall Risk
Medium
Postcode
2480
Highest high-risk exposure
22.6% of land (bushfire)

Heat Risk Analysis

Koonorigan 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 Koonorigan 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 in the coming decades.

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

Koonorigan (postcode 2480) 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 (22.6% of land in high-risk zones), riverine flood (9% of land in high-risk zones), surface flood (5.8% of land in high-risk zones). Exposure is not uniform across Koonorigan — 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 Temp30.5 °C
Heat Stress Events/Year3
Urban Heat ContextThe number of days exceeding 35°C is projected to increase in the coming decades.

Adaptation & Mitigation Actions

Improve Drainage Infrastructure

Near-term

Upgrade and expand drainage systems to better manage increased rainfall and reduce flood risk.

Est. cost: High

Bushfire Mitigation Measures

Immediate

Implement vegetation management programs, create firebreaks, and improve community awareness of bushfire safety.

Est. cost: Medium

Heatwave Preparedness Plan

Near-term

Develop and implement a heatwave preparedness plan to protect vulnerable populations, including establishing cooling centers and providing public health advice.

Est. cost: Low

Community Education Programs

Long-term

Conduct community education programs to raise awareness of climate change risks and promote adaptation measures.

Est. cost: Low

Council & Emergency Services

Lismore City Council
Emergency Services

Data last updated: 21 May 2026

Explore Koonorigan Risk Reports

Frequently Asked Questions

How hot does Koonorigan get in summer?

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

Is extreme heat increasing in Koonorigan?

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 Koonorigan 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 Koonorigan and the performance of your building envelope.

What heat mitigation measures work best in Koonorigan?

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 Koonorigan is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 22.6% of Koonorigan in high-risk zones for bushfire, with a further 53.5% 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 Koonorigan Safe from Climate Risk?

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