Heat Risk in Pimlico Island, NSW: 2026 Assessment
Heat Risk Score
6.0/10Pimlico Island is likely to experience more frequent and intense heatwaves due to climate change. This will increase the risk of heat stress, particularly for vulnerable populations.
Key Facts
- Heat Risk
- Pimlico Island is likely to experience more frequent and intense heatwaves due to climate change. This will increase the risk of heat stress, particularly for vulnerable populations.
- Trend
- increasing
- Suburb
- Pimlico Island, NSW
- Overall Risk
- Medium
- Postcode
- 2478
- Highest high-risk exposure
- 11.5% of land (surface flood)
Heat Risk Analysis
Pimlico Island 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 Pimlico Island 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.
Average January maximum temperature is based on nearby weather station data.
Get an address-level heat risk assessment from ClimateNest for Pimlico Island including cooling cost estimates, heatwave vulnerability scoring, and adaptation recommendations tailored to your property.
Pimlico Island (postcode 2478) 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 surface flood (11.5% of land in high-risk zones), riverine flood (6.1% of land in high-risk zones), bushfire (5.4% of land in high-risk zones). Exposure is not uniform across Pimlico Island — 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 in January 2020 resulted in high temperatures and heat stress on Pimlico Island.
Adaptation & Mitigation Actions
Improve Flood Defenses
Near-termConstruct levees and seawalls to protect low-lying areas from flooding and coastal erosion.
Est. cost: High
Develop Heatwave Response Plan
ImmediateImplement a heatwave response plan to protect vulnerable populations during extreme heat events.
Est. cost: Low
Raise Home Foundations
Long-termElevate homes and businesses to reduce the risk of flood damage.
Est. cost: High
Install Rainwater Tanks
Near-termInstall rainwater tanks to conserve water and reduce stormwater runoff.
Est. cost: Medium
Plant Native Vegetation
Long-termPlant native vegetation along the coastline to stabilize the soil and reduce erosion.
Est. cost: Low
Council & Emergency Services
Explore Pimlico Island Risk Reports
View other climate risk assessments for Pimlico Island:
Frequently Asked Questions
How hot does Pimlico Island get in summer?
Pimlico Island in New South Wales experiences summer temperatures consistent with the regional climate. BOM publishes historical temperature data for weather stations near Pimlico Island. Get a property-specific heat exposure assessment with projected cooling costs from ClimateNest.
Is extreme heat increasing in Pimlico Island?
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 Pimlico Island 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 Pimlico Island and the performance of your building envelope.
What heat mitigation measures work best in Pimlico Island?
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 Pimlico Island is exposed to high surface flood risk?
ClimateNest's hazard overlay maps 11.5% of Pimlico Island in high-risk zones for surface flood, with a further 76.9% 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 Pimlico Island Safe from Climate Risk?
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