Heat Risk in South Hurstville, NSW: 2026 Assessment
Heat Risk Score
6.0/10South Hurstville is likely to experience more frequent and intense heatwaves in the future. This will increase the risk of heat stress, particularly for vulnerable populations.
Key Facts
- Heat Risk
- South Hurstville is likely to experience more frequent and intense heatwaves in the future. This will increase the risk of heat stress, particularly for vulnerable populations.
- Trend
- increasing
- Suburb
- South Hurstville, NSW
- Overall Risk
- Medium
- Postcode
- 2221
- Highest high-risk exposure
- 17.2% of land (bushfire)
Heat Risk Analysis
South Hurstville 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 South Hurstville 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.
Urban density contributes to the urban heat island effect.
Get an address-level heat risk assessment from ClimateNest for South Hurstville including cooling cost estimates, heatwave vulnerability scoring, and adaptation recommendations tailored to your property.
South Hurstville (postcode 2221) 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 (17.2% of land in high-risk zones), surface flood (12.7% of land in high-risk zones), riverine flood (3.9% of land in high-risk zones). Exposure is not uniform across South Hurstville — 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 increased hospital admissions for heat-related illnesses.
Adaptation & Mitigation Actions
Improve Flood Defenses
Near-termInvest in flood barriers, drainage improvements, and elevated building foundations to reduce flood damage.
Est. cost: Medium
Enhance Heatwave Preparedness
ImmediateEstablish cooling centers, promote energy efficiency, and implement heatwave early warning systems to protect vulnerable populations.
Est. cost: Low
Strengthen Coastal Protection
Long-termImplement coastal erosion control measures, protect and restore coastal ecosystems, and plan for managed retreat in vulnerable areas.
Est. cost: High
Promote Water Conservation
Near-termEncourage water-efficient landscaping, rainwater harvesting, and greywater recycling to reduce water demand during droughts.
Est. cost: Low
Council & Emergency Services
Explore South Hurstville Risk Reports
View other climate risk assessments for South Hurstville:
Frequently Asked Questions
How hot does South Hurstville get in summer?
South Hurstville in New South Wales experiences summer temperatures consistent with the regional climate. BOM publishes historical temperature data for weather stations near South Hurstville. Get a property-specific heat exposure assessment with projected cooling costs from ClimateNest.
Is extreme heat increasing in South Hurstville?
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 South Hurstville 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 South Hurstville and the performance of your building envelope.
What heat mitigation measures work best in South Hurstville?
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 South Hurstville is exposed to high bushfire risk?
ClimateNest's hazard overlay maps 17.2% of South Hurstville in high-risk zones for bushfire, with a further 64.2% 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 South Hurstville Safe from Climate Risk?
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