Heat Risk in Jamisontown, NSW: 2026 Assessment
Heat Risk Score
7.0/10Jamisontown experiences high temperatures during summer, and heatwaves are becoming more frequent and intense. This poses a significant risk to vulnerable populations.
Key Facts
- Heat Risk
- Jamisontown experiences high temperatures during summer, and heatwaves are becoming more frequent and intense. This poses a significant risk to vulnerable populations.
- Trend
- increasing
- Suburb
- Jamisontown, NSW
- Overall Risk
- Medium
- Postcode
- 2750
- Highest high-risk exposure
- 13.8% of land (riverine flood)
Heat Risk Analysis
Jamisontown 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 Jamisontown 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 heat island effect contributes to higher temperatures.
Get an address-level heat risk assessment from ClimateNest for Jamisontown including cooling cost estimates, heatwave vulnerability scoring, and adaptation recommendations tailored to your property.
Jamisontown (postcode 2750) 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 riverine flood (13.8% of land in high-risk zones), bushfire (11.7% of land in high-risk zones), surface flood (10.5% of land in high-risk zones). Exposure is not uniform across Jamisontown — 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
Prolonged heatwave conditions led to increased hospital admissions and strain on infrastructure.
Adaptation & Mitigation Actions
Improve Flood Defenses
Near-termInvest in infrastructure to mitigate flood risk, such as levees, improved drainage, and flood-proofing of buildings.
Est. cost: High
Implement Heat Action Plan
ImmediateDevelop and implement a heat action plan to protect vulnerable populations during heatwaves, including cooling centers and public awareness campaigns.
Est. cost: Medium
Enhance Bushfire Preparedness
Near-termImplement measures to reduce bushfire risk, such as fuel reduction programs, community education, and improved building standards.
Est. cost: Medium
Promote Water Conservation
Long-termEncourage water conservation measures to reduce demand on water resources during droughts and heatwaves.
Est. cost: Low
Council & Emergency Services
Explore Jamisontown Risk Reports
View other climate risk assessments for Jamisontown:
Frequently Asked Questions
How hot does Jamisontown get in summer?
Jamisontown in New South Wales experiences summer temperatures consistent with the regional climate. BOM publishes historical temperature data for weather stations near Jamisontown. Get a property-specific heat exposure assessment with projected cooling costs from ClimateNest.
Is extreme heat increasing in Jamisontown?
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 Jamisontown 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 Jamisontown and the performance of your building envelope.
What heat mitigation measures work best in Jamisontown?
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 Jamisontown is exposed to high riverine flood risk?
ClimateNest's hazard overlay maps 13.8% of Jamisontown in high-risk zones for riverine flood, with a further 59.1% 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 Jamisontown Safe from Climate Risk?
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