📮 bonython postcode: 2905

Heat Risk in bonython, ACT: 2026 Assessment

bonython, Australian Capital Territory· UNKNOWN· 2905
Bonython is likely to experience more frequent and intense heatwaves in the future. This poses a risk to vulnerable populations and infrastructure.Updated 15 Mar 2026

Heat Risk Score

5.0/10

Bonython is likely to experience more frequent and intense heatwaves in the future. This poses a risk to vulnerable populations and infrastructure.

Key Facts

Heat Risk
Bonython is likely to experience more frequent and intense heatwaves in the future. This poses a risk to vulnerable populations and infrastructure.
Trend
increasing
Suburb
bonython, ACT
Overall Risk
Medium
Postcode
2905
Region
ACT
Median property value
$875,000
Dominant hazard
bushfire (6/10)
Highest high-risk exposure
8% of land (surface flood)

Heat Risk Analysis

bonython in Australian Capital Territory 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 bonython 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 bonython including cooling cost estimates, heatwave vulnerability scoring, and adaptation recommendations tailored to your property.

Climate projections show heat risk in bonython is tied to the broader ACT 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.

bonython (postcode 2905), is an Australian Capital Territory suburb tracked by ClimateNest. The suburb's median property value is $875,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in bonython.

Across the six hazard axes ClimateNest models, the dominant climate risk in bonython is bushfire (score 6/10), 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 bonython, bushfire 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 bonython are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Avg January Max Temp28.5 °C
Heat Stress Events/Year3
Urban Heat ContextHeatwaves are becoming more frequent and intense.

Historical Events

2018
Moderate

A prolonged heatwave in January 2018 resulted in record-breaking temperatures and increased demand for emergency services.

Adaptation & Mitigation Actions

Improve stormwater drainage

Near-term

Upgrade stormwater infrastructure to handle increased rainfall intensity and reduce the risk of flooding.

Est. cost: Medium

Implement bushfire management strategies

Immediate

Reduce fuel loads around properties and improve bushfire preparedness through community education and hazard reduction burns.

Est. cost: Low

Promote energy efficiency and green infrastructure

Near-term

Reduce the urban heat island effect by promoting energy-efficient building design, planting trees, and creating green spaces.

Est. cost: Medium

Develop a heatwave response plan

Immediate

Establish a heatwave response plan to protect vulnerable populations during extreme heat events, including cooling centers and community outreach programs.

Est. cost: Low

Council & Emergency Services

ACT Government
Emergency Services

Data last updated: 15 March 2026

Explore bonython Risk Reports

Frequently Asked Questions

How hot does bonython get in summer?

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

Is extreme heat increasing in bonython?

Australia-wide, extreme heat events have become more frequent since the mid-20th century, and this trend is consistent with CSIRO climate projections for Australian Capital Territory. Continued warming is likely through 2050 under all emissions scenarios.

How does heat affect energy costs for bonython 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 bonython and the performance of your building envelope.

What heat mitigation measures work best in bonython?

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 bonython?

ClimateNest's suburb model rates bonython's dominant climate risk as bushfire at 6/10 on a 0–10 index, followed by extreme heat (5/10) and damaging wind (5/10). These are suburb-level averages — an address-level report is needed to confirm the risk of a specific property in bonython.

What share of bonython is exposed to high surface flood risk?

ClimateNest's hazard overlay maps 8% of bonython in high-risk zones for surface flood, with a further 77.1% 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 bonython Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for bonython, Australian Capital Territory, 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