Heat Risk in Mongarlowe, NSW: 2026 Assessment
Heat Risk Score
4.0/10Mongarlowe experiences moderate heat risk, with increasing average temperatures and more frequent heatwave events projected. This could impact vulnerable populations and infrastructure.
Key Facts
- Heat Risk
- Mongarlowe experiences moderate heat risk, with increasing average temperatures and more frequent heatwave events projected. This could impact vulnerable populations and infrastructure.
- Trend
- increasing
- Suburb
- Mongarlowe, NSW
- Overall Risk
- Medium
- Postcode
- 2622
- Highest high-risk exposure
- 24.6% of land (bushfire)
Heat Risk Analysis
Mongarlowe 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 Mongarlowe 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 maximum temperatures in January are increasing, leading to more frequent heat stress events.
Get an address-level heat risk assessment from ClimateNest for Mongarlowe including cooling cost estimates, heatwave vulnerability scoring, and adaptation recommendations tailored to your property.
Mongarlowe (postcode 2622) 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 (24.6% of land in high-risk zones), surface flood (8.8% of land in high-risk zones), riverine flood (4.8% of land in high-risk zones). Exposure is not uniform across Mongarlowe — 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 2013 resulted in heat stress and health concerns for vulnerable residents.
Adaptation & Mitigation Actions
Improve Flood Defenses
Near-termInvest in infrastructure to mitigate flood risks, such as levees and improved drainage systems.
Est. cost: High
Bushfire Preparedness
ImmediateImplement bushfire management strategies, including controlled burns and community education programs.
Est. cost: Medium
Heatwave Action Plan
Near-termDevelop a heatwave action plan to protect vulnerable residents during extreme heat events.
Est. cost: Low
Community Resilience Building
Long-termPromote community resilience through education and awareness programs on climate change risks and adaptation strategies.
Est. cost: Low
Council & Emergency Services
Explore Mongarlowe Risk Reports
View other climate risk assessments for Mongarlowe:
Frequently Asked Questions
How hot does Mongarlowe get in summer?
Mongarlowe in New South Wales experiences summer temperatures consistent with the regional climate. BOM publishes historical temperature data for weather stations near Mongarlowe. Get a property-specific heat exposure assessment with projected cooling costs from ClimateNest.
Is extreme heat increasing in Mongarlowe?
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 Mongarlowe 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 Mongarlowe and the performance of your building envelope.
What heat mitigation measures work best in Mongarlowe?
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 Mongarlowe is exposed to high bushfire risk?
ClimateNest's hazard overlay maps 24.6% of Mongarlowe in high-risk zones for bushfire, with a further 54% 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 Mongarlowe Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Mongarlowe, 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