Heat Risk in Jincumbilly, NSW: 2026 Assessment

Jincumbilly, New South Wales· UNKNOWN
Jincumbilly is likely to experience more frequent and intense heatwaves in the future. This poses a risk to vulnerable populations, such as the elderly and those with pre-existing health conditions.Updated 2 May 2026

Heat Risk Score

7.0/10

Jincumbilly is likely to experience more frequent and intense heatwaves in the future. This poses a risk to vulnerable populations, such as the elderly and those with pre-existing health conditions.

Key Facts

Heat Risk
Jincumbilly is likely to experience more frequent and intense heatwaves in the future. This poses a risk to vulnerable populations, such as the elderly and those with pre-existing health conditions.
Trend
increasing
Suburb
Jincumbilly, NSW
Overall Risk
High
Postcode
2631
Highest high-risk exposure
11.5% of land (bushfire)

Heat Risk Analysis

Jincumbilly 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 Jincumbilly 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, particularly during the summer months.

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

Jincumbilly (postcode 2631) 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 (11.5% of land in high-risk zones), surface flood (7.4% of land in high-risk zones), riverine flood (4.1% of land in high-risk zones). Exposure is not uniform across Jincumbilly — 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 Temp32 °C
Heat Stress Events/Year3
Urban Heat ContextHeatwaves are becoming more frequent and intense, particularly during the summer months.

Historical Events

2017
Moderate

A prolonged heatwave resulted in heat stress and increased demand for emergency services.

Adaptation & Mitigation Actions

Improve building codes for bushfire resistance

Immediate

Implement stricter building codes to ensure that new and existing homes are better protected from bushfires.

Est. cost: High

Upgrade flood defenses

Near-term

Invest in infrastructure to mitigate the risk of flooding, such as levees and improved drainage systems.

Est. cost: Very High

Develop a heatwave management plan

Immediate

Create a plan to protect vulnerable populations during heatwaves, including cooling centers and public awareness campaigns.

Est. cost: Medium

Promote water conservation

Long-term

Encourage residents to conserve water to reduce the strain on water resources during droughts and heatwaves.

Est. cost: Low

Council & Emergency Services

UNKNOWN
Emergency Services

Data last updated: 2 May 2026

Explore Jincumbilly Risk Reports

Frequently Asked Questions

How hot does Jincumbilly get in summer?

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

Is extreme heat increasing in Jincumbilly?

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 Jincumbilly 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 Jincumbilly and the performance of your building envelope.

What heat mitigation measures work best in Jincumbilly?

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 Jincumbilly is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 11.5% of Jincumbilly in high-risk zones for bushfire, with a further 64.7% 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 Jincumbilly Safe from Climate Risk?

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