Heat Risk in Lilli Pilli, NSW: 2026 Assessment
Heat Risk Score
5.0/10Lilli Pilli experiences moderate heat risk, with increasing average temperatures and more frequent heatwaves projected. This can impact vulnerable populations and infrastructure.
Key Facts
- Heat Risk
- Lilli Pilli experiences moderate heat risk, with increasing average temperatures and more frequent heatwaves projected. This can impact vulnerable populations and infrastructure.
- Trend
- increasing
- Suburb
- Lilli Pilli, NSW
- Overall Risk
- Medium
- Postcode
- 2229
- Highest high-risk exposure
- 7.3% of land (bushfire)
Heat Risk Analysis
Lilli Pilli 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 Lilli Pilli 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 suburb experiences several days above 30°C during summer months.
Get an address-level heat risk assessment from ClimateNest for Lilli Pilli including cooling cost estimates, heatwave vulnerability scoring, and adaptation recommendations tailored to your property.
Lilli Pilli (postcode 2229) 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 (7.3% of land in high-risk zones), riverine flood (6.5% of land in high-risk zones), surface flood (4.4% of land in high-risk zones). Exposure is not uniform across Lilli Pilli — 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
Historical Events
A prolonged heatwave resulted in high temperatures and increased demand for electricity.
Adaptation & Mitigation Actions
Improve stormwater drainage
Near-termUpgrade stormwater drainage infrastructure to reduce the risk of flooding during heavy rainfall events.
Est. cost: Medium
Bushfire hazard reduction
ImmediateImplement regular bushfire hazard reduction programs to reduce the risk of bushfires spreading to residential areas.
Est. cost: Low
Install solar panels and battery storage
Long-termEncourage residents to install solar panels and battery storage to reduce reliance on the grid during heatwaves and power outages.
Est. cost: High
Coastal protection measures
Long-termImplement coastal protection measures, such as seawalls and beach nourishment, to protect waterfront properties from sea level rise and coastal erosion.
Est. cost: Very High
Community education programs
Near-termConduct community education programs to raise awareness of climate risks and adaptation measures.
Est. cost: Low
Council & Emergency Services
Explore Lilli Pilli Risk Reports
View other climate risk assessments for Lilli Pilli:
Frequently Asked Questions
How hot does Lilli Pilli get in summer?
Lilli Pilli in New South Wales experiences summer temperatures consistent with the regional climate. BOM publishes historical temperature data for weather stations near Lilli Pilli. Get a property-specific heat exposure assessment with projected cooling costs from ClimateNest.
Is extreme heat increasing in Lilli Pilli?
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 Lilli Pilli 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 Lilli Pilli and the performance of your building envelope.
What heat mitigation measures work best in Lilli Pilli?
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 Lilli Pilli is exposed to high bushfire risk?
ClimateNest's hazard overlay maps 7.3% of Lilli Pilli in high-risk zones for bushfire, with a further 62.8% 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 Lilli Pilli Safe from Climate Risk?
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