Heat Risk in Deauville, NSW: 2026 Assessment
Heat Risk Score
7.0/10Heatwaves are becoming more frequent and intense, posing a risk to vulnerable populations. Temperatures are expected to rise further.
Key Facts
- Heat Risk
- Heatwaves are becoming more frequent and intense, posing a risk to vulnerable populations. Temperatures are expected to rise further.
- Trend
- increasing
- Suburb
- Deauville, NSW
- Overall Risk
- Medium
- Postcode
- 2443
- Region
- Coastal NSW
- Median property value
- $925,000
- Dominant hazard
- extreme heat (5/10)
- Highest high-risk exposure
- 11.1% of land (bushfire)
Heat Risk Analysis
Deauville 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 Deauville 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 areas experience higher temperatures due to the urban heat island effect.
Get an address-level heat risk assessment from ClimateNest for Deauville including cooling cost estimates, heatwave vulnerability scoring, and adaptation recommendations tailored to your property.
Climate projections show heat risk in Deauville is tied to the broader Coastal NSW climate. The suburb scores 5 on the 0–10 heat index, with the number of days above 35°C expected to grow through 2050 — a factor that affects cooling costs, garden viability and property desirability.
Deauville located in Coastal NSW (postcode 2443), is a New South Wales suburb tracked by ClimateNest. The suburb's median property value is $925,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Deauville.
Across the six hazard axes ClimateNest models, the dominant climate risk in Deauville is extreme heat (score 5/10), with moderate exposure. Insurance signals for the suburb point to premiums rising moderately (+30% by 2030). These suburb-level signals help prioritise which properties need the closest look — the actual risk of any single home can only be confirmed with an address-level report.
Whether you are buying, selling or renovating in Deauville, extreme heat is the hazard to weigh first. Local council planning controls, state hazard mapping and lender climate policies each reference this kind of suburb-level signal, and property decisions in Deauville are increasingly made with an address-level climate report in hand.
Local Hazard Evidence
Historical Events
A prolonged heatwave resulted in increased hospital admissions and strain on infrastructure.
Adaptation & Mitigation Actions
Improve drainage infrastructure
Near-termUpgrade drainage systems to handle increased rainfall and reduce flood risk.
Est. cost: High
Implement a heat action plan
ImmediateDevelop a plan to protect vulnerable populations during heatwaves, including cooling centers and outreach programs.
Est. cost: Medium
Strengthen coastal defenses
Long-termInvest in coastal protection measures to mitigate erosion and sea level rise impacts.
Est. cost: Very High
Enhance bushfire preparedness
Near-termImplement bushfire mitigation measures, such as vegetation management and community education programs.
Est. cost: Medium
Council & Emergency Services
Explore Deauville Risk Reports
View other climate risk assessments for Deauville:
Frequently Asked Questions
How hot does Deauville get in summer?
Deauville in New South Wales experiences summer temperatures consistent with the regional climate. BOM publishes historical temperature data for weather stations near Deauville. Get a property-specific heat exposure assessment with projected cooling costs from ClimateNest.
Is extreme heat increasing in Deauville?
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 Deauville 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 Deauville and the performance of your building envelope.
What heat mitigation measures work best in Deauville?
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 are the main climate risks in Deauville?
ClimateNest's suburb model rates Deauville's dominant climate risk as extreme heat at 5/10 on a 0–10 index, followed by damaging wind (5/10) and severe storm (5/10). These are suburb-level averages — an address-level report is needed to confirm the risk of a specific property in Deauville.
What share of Deauville is exposed to high bushfire risk?
ClimateNest's hazard overlay maps 11.1% of Deauville in high-risk zones for bushfire, with a further 79.9% 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 Deauville Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Deauville, 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