Heat Risk in Gonn, NSW: 2026 Assessment
Heat Risk Score
7.0/10Gonn experiences a high risk of heatwaves, with increasing average temperatures and more frequent extreme heat events projected.
Key Facts
- Heat Risk
- Gonn experiences a high risk of heatwaves, with increasing average temperatures and more frequent extreme heat events projected.
- Trend
- increasing
- Suburb
- Gonn, NSW
- Overall Risk
- Medium
- Postcode
- 2732
- Region
- Regional
- Median property value
- $500,000
- Dominant hazard
- extreme heat (5/10)
- Highest high-risk exposure
- 8% of land (riverine flood)
Heat Risk Analysis
Gonn 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 Gonn 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 increasing frequency and intensity of heatwaves pose a significant risk to public health, particularly for vulnerable populations.
Get an address-level heat risk assessment from ClimateNest for Gonn including cooling cost estimates, heatwave vulnerability scoring, and adaptation recommendations tailored to your property.
Climate projections show heat risk in Gonn is tied to the broader Regional 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.
Gonn located in Regional (postcode 2732), is a New South Wales suburb tracked by ClimateNest. The suburb's median property value is $500,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Gonn.
Across the six hazard axes ClimateNest models, the dominant climate risk in Gonn is extreme heat (score 5/10), 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 Gonn, 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 Gonn are increasingly made with an address-level climate report in hand.
Local Hazard Evidence
Historical Events
A prolonged heatwave in January 2013 resulted in heat stress and health concerns for residents.
Adaptation & Mitigation Actions
Improve Flood Defenses
Near-termInvest in infrastructure to mitigate flood risks, such as levees and improved drainage systems.
Est. cost: High
Implement Heatwave Early Warning System
ImmediateDevelop and implement a heatwave early warning system to alert residents of impending heatwaves and provide guidance on how to stay safe.
Est. cost: Medium
Promote Bushfire Safety Awareness
Near-termConduct community education programs to raise awareness of bushfire risks and promote preparedness measures.
Est. cost: Low
Upgrade Building Codes
Long-termUpdate building codes to ensure that new buildings are more resilient to climate change impacts, such as flooding and heatwaves.
Est. cost: High
Council & Emergency Services
Explore Gonn Risk Reports
Frequently Asked Questions
How hot does Gonn get in summer?
Gonn in New South Wales experiences summer temperatures consistent with the regional climate. BOM publishes historical temperature data for weather stations near Gonn. Get a property-specific heat exposure assessment with projected cooling costs from ClimateNest.
Is extreme heat increasing in Gonn?
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 Gonn 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 Gonn and the performance of your building envelope.
What heat mitigation measures work best in Gonn?
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 Gonn?
ClimateNest's suburb model rates Gonn's dominant climate risk as extreme heat at 5/10 on a 0–10 index, followed by damaging wind (4/10) and severe storm (4/10). These are suburb-level averages — an address-level report is needed to confirm the risk of a specific property in Gonn.
What share of Gonn is exposed to high riverine flood risk?
ClimateNest's hazard overlay maps 8% of Gonn in high-risk zones for riverine flood, with a further 68.5% 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 Gonn Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Gonn, New South Wales, covering flood, bushfire, sea level rise and more.
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*Industry sources: ICA, APRA, RBA
Full report from A$69 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections