Heat Risk in Tullimbar, NSW: 2026 Assessment

Tullimbar, New South Wales· UNKNOWN
Tullimbar experiences moderate heat risk, with increasing average temperatures and more frequent heatwave events projected.Updated 25 May 2026

Heat Risk Score

4.0/10

Tullimbar experiences moderate heat risk, with increasing average temperatures and more frequent heatwave events projected.

Key Facts

Heat Risk
Tullimbar experiences moderate heat risk, with increasing average temperatures and more frequent heatwave events projected.
Trend
increasing
Suburb
Tullimbar, NSW
Overall Risk
Medium
Postcode
2527
Highest high-risk exposure
17.1% of land (bushfire)

Heat Risk Analysis

Tullimbar 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 Tullimbar 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 Tullimbar including cooling cost estimates, heatwave vulnerability scoring, and adaptation recommendations tailored to your property.

Tullimbar (postcode 2527) 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 (17.1% of land in high-risk zones), riverine flood (11% of land in high-risk zones), surface flood (7.3% of land in high-risk zones). Exposure is not uniform across Tullimbar — 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 Temp28.5 °C
Heat Stress Events/Year3
Urban Heat ContextThe number of days exceeding 35°C is projected to increase in the coming decades.

Historical Events

2019
Moderate

A prolonged heatwave resulted in increased heat stress and health concerns for vulnerable residents.

Adaptation & Mitigation Actions

Improve Drainage Infrastructure

Near-term

Upgrade drainage systems to handle increased rainfall intensity and reduce flood risk.

Est. cost: Medium

Implement Bushfire Management Plans

Immediate

Develop and implement bushfire management plans to reduce the risk of bushfires spreading to residential areas.

Est. cost: Medium

Promote Energy Efficiency

Long-term

Encourage energy efficiency measures to reduce greenhouse gas emissions and mitigate the urban heat island effect.

Est. cost: Low

Develop Heat Action Plans

Near-term

Create heat action plans to protect vulnerable populations during heatwave events.

Est. cost: Low

Council & Emergency Services

Shellharbour City Council
Emergency Services

Data last updated: 25 May 2026

Explore Tullimbar Risk Reports

Frequently Asked Questions

How hot does Tullimbar get in summer?

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

Is extreme heat increasing in Tullimbar?

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 Tullimbar 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 Tullimbar and the performance of your building envelope.

What heat mitigation measures work best in Tullimbar?

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 Tullimbar is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 17.1% of Tullimbar in high-risk zones for bushfire, with a further 64.5% 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 Tullimbar Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Tullimbar, New South Wales, covering flood, bushfire, sea level rise and more.

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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