Heat Risk in Rosebery, NSW: 2026 Assessment
Heat Risk Score
6.0/10Rosebery is likely to experience more frequent and intense heatwaves due to climate change. This poses a risk to vulnerable populations, especially during summer months.
Key Facts
- Heat Risk
- Rosebery is likely to experience more frequent and intense heatwaves due to climate change. This poses a risk to vulnerable populations, especially during summer months.
- Trend
- increasing
- Suburb
- Rosebery, NSW
- Overall Risk
- Medium
- Postcode
- 2018
- Highest high-risk exposure
- 14.9% of land (bushfire)
Heat Risk Analysis
Rosebery 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 Rosebery 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.
Rosebery experiences several days above 30°C during summer.
Get an address-level heat risk assessment from ClimateNest for Rosebery including cooling cost estimates, heatwave vulnerability scoring, and adaptation recommendations tailored to your property.
Rosebery (postcode 2018) 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 (14.9% of land in high-risk zones), coastal inundation (9.8% of land in high-risk zones), riverine flood (8.2% of land in high-risk zones). Exposure is not uniform across Rosebery — 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 and strain on infrastructure.
Adaptation & Mitigation Actions
Improve stormwater drainage
Near-termUpgrade stormwater infrastructure to handle increased rainfall intensity and reduce flood risk.
Est. cost: High
Increase green spaces
Near-termPlant more trees and create green spaces to reduce the urban heat island effect and provide shade.
Est. cost: Medium
Develop a heatwave management plan
ImmediateImplement a plan to protect vulnerable populations during heatwaves, including cooling centers and community outreach.
Est. cost: Low
Coastal protection measures
Long-termImplement coastal protection measures to mitigate the impacts of sea level rise and storm surges.
Est. cost: Very High
Council & Emergency Services
Explore Rosebery Risk Reports
View other climate risk assessments for Rosebery:
Frequently Asked Questions
How hot does Rosebery get in summer?
Rosebery in New South Wales experiences summer temperatures consistent with the regional climate. BOM publishes historical temperature data for weather stations near Rosebery. Get a property-specific heat exposure assessment with projected cooling costs from ClimateNest.
Is extreme heat increasing in Rosebery?
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 Rosebery 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 Rosebery and the performance of your building envelope.
What heat mitigation measures work best in Rosebery?
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 Rosebery is exposed to high bushfire risk?
ClimateNest's hazard overlay maps 14.9% of Rosebery in high-risk zones for bushfire, with a further 64.4% 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 Rosebery Safe from Climate Risk?
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