📮 Firefly postcode: 2429

Heat Risk in Firefly, NSW: 2026 Assessment

Firefly, New South Wales· Mid-Coast· 2429
Firefly is likely to experience more frequent and intense heatwaves. This poses a risk to vulnerable populations and infrastructure.Updated 8 May 2026

Heat Risk Score

6.0/10

Firefly is likely to experience more frequent and intense heatwaves. This poses a risk to vulnerable populations and infrastructure.

Key Facts

Heat Risk
Firefly is likely to experience more frequent and intense heatwaves. This poses a risk to vulnerable populations and infrastructure.
Trend
increasing
Suburb
Firefly, NSW
Overall Risk
Medium
Postcode
2429
Region
Coastal NSW
Median property value
$925,000
Dominant hazard
extreme heat (5/10)
Highest high-risk exposure
10.5% of land (bushfire)

Heat Risk Analysis

Firefly 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 Firefly 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.

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

Climate projections show heat risk in Firefly 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.

Firefly located in Coastal NSW (postcode 2429), 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 Firefly.

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

Local Hazard Evidence

Avg January Max Temp31.5 °C
Heat Stress Events/Year3
Urban Heat ContextHeatwaves are becoming more frequent and intense.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Upgrade drainage infrastructure and build flood levees to protect properties from flooding.

Est. cost: High

Bushfire Management

Immediate

Implement bushfire management strategies, including hazard reduction burns and community education programs.

Est. cost: Medium

Heatwave Preparedness

Near-term

Develop a heatwave plan to protect vulnerable populations, including cooling centers and public awareness campaigns.

Est. cost: Low

Coastal Protection

Long-term

Implement coastal protection measures, such as seawalls and beach nourishment, to protect properties from erosion.

Est. cost: High

Council & Emergency Services

Mid-Coast Council
Emergency Services

Data last updated: 8 May 2026

Explore Firefly Risk Reports

Frequently Asked Questions

How hot does Firefly get in summer?

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

Is extreme heat increasing in Firefly?

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 Firefly 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 Firefly and the performance of your building envelope.

What heat mitigation measures work best in Firefly?

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 Firefly?

ClimateNest's suburb model rates Firefly'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 Firefly.

What share of Firefly is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 10.5% of Firefly in high-risk zones for bushfire, with a further 70.3% 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 Firefly Safe from Climate Risk?

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