Heat Risk in Upper Dartbrook, NSW: 2026 Assessment
Heat Risk Score
6.0/10Upper Dartbrook is likely to experience more frequent and intense heatwaves. Higher average temperatures can pose health risks, especially for vulnerable populations.
Key Facts
- Heat Risk
- Upper Dartbrook is likely to experience more frequent and intense heatwaves. Higher average temperatures can pose health risks, especially for vulnerable populations.
- Trend
- increasing
- Suburb
- Upper Dartbrook, NSW
- Overall Risk
- Medium
- Postcode
- 2336
- Highest high-risk exposure
- 7.4% of land (bushfire)
Heat Risk Analysis
Upper Dartbrook 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 Upper Dartbrook 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 35°C each summer, increasing the risk of heat stress for vulnerable residents.
Get an address-level heat risk assessment from ClimateNest for Upper Dartbrook including cooling cost estimates, heatwave vulnerability scoring, and adaptation recommendations tailored to your property.
Upper Dartbrook (postcode 2336) 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 (7.4% of land in high-risk zones), riverine flood (4.7% of land in high-risk zones), surface flood (3.8% of land in high-risk zones). Exposure is not uniform across Upper Dartbrook — 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 in the region.
Adaptation & Mitigation Actions
Improve stormwater drainage
Near-termUpgrade stormwater infrastructure to handle increased rainfall and reduce flood risk.
Est. cost: Medium
Implement bushfire management plan
Near-termDevelop and implement a community bushfire management plan, including hazard reduction and evacuation procedures.
Est. cost: Low
Establish a heatwave early warning system
ImmediateCreate a system to alert residents of impending heatwaves and provide guidance on staying safe.
Est. cost: Low
Promote water conservation
Long-termEncourage residents to conserve water to reduce strain on resources during droughts and heatwaves.
Est. cost: Low
Council & Emergency Services
Explore Upper Dartbrook Risk Reports
View other climate risk assessments for Upper Dartbrook:
Frequently Asked Questions
How hot does Upper Dartbrook get in summer?
Upper Dartbrook in New South Wales experiences summer temperatures consistent with the regional climate. BOM publishes historical temperature data for weather stations near Upper Dartbrook. Get a property-specific heat exposure assessment with projected cooling costs from ClimateNest.
Is extreme heat increasing in Upper Dartbrook?
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 Upper Dartbrook 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 Upper Dartbrook and the performance of your building envelope.
What heat mitigation measures work best in Upper Dartbrook?
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 Upper Dartbrook is exposed to high bushfire risk?
ClimateNest's hazard overlay maps 7.4% of Upper Dartbrook in high-risk zones for bushfire, with a further 72.4% 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 Upper Dartbrook Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Upper Dartbrook, New South Wales, covering flood, bushfire, sea level rise and more.
What A$69 could save you from
*Industry sources: ICA, APRA, RBA
Full report from A$69 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections