Heat Risk in Maison Dieu, NSW: 2026 Assessment

Maison Dieu, New South Wales· UNKNOWN
Maison Dieu is likely to experience more frequent and intense heatwaves. Higher average temperatures can pose health risks, especially for vulnerable populations.Updated 26 May 2026

Heat Risk Score

6.0/10

Maison Dieu is likely to experience more frequent and intense heatwaves. Higher average temperatures can pose health risks, especially for vulnerable populations.

Key Facts

Heat Risk
Maison Dieu is likely to experience more frequent and intense heatwaves. Higher average temperatures can pose health risks, especially for vulnerable populations.
Trend
increasing
Suburb
Maison Dieu, NSW
Overall Risk
Medium
Postcode
2330
Highest high-risk exposure
10.9% of land (bushfire)

Heat Risk Analysis

Maison Dieu 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 Maison Dieu 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.

Heatwaves are becoming more frequent and intense.

Get an address-level heat risk assessment from ClimateNest for Maison Dieu including cooling cost estimates, heatwave vulnerability scoring, and adaptation recommendations tailored to your property.

Maison Dieu (postcode 2330) 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 (10.9% of land in high-risk zones), riverine flood (10.3% of land in high-risk zones), surface flood (6.6% of land in high-risk zones). Exposure is not uniform across Maison Dieu — 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

Avg January Max Temp32 °C
Heat Stress Events/Year3
Urban Heat ContextHeatwaves are becoming more frequent and intense.

Historical Events

2017
Moderate

Prolonged heatwave conditions affected the region, with temperatures exceeding 40°C.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Invest in infrastructure to mitigate flood risks, such as levees and improved drainage systems.

Est. cost: High

Bushfire Preparedness

Near-term

Implement bushfire management strategies, including controlled burns and community education programs.

Est. cost: Medium

Heatwave Action Plan

Immediate

Develop a heatwave action plan to protect vulnerable populations during extreme heat events.

Est. cost: Low

Community Awareness Programs

Long-term

Educate residents about climate risks and adaptation strategies.

Est. cost: Low

Council & Emergency Services

UNKNOWN
Emergency Services

Data last updated: 26 May 2026

Explore Maison Dieu Risk Reports

Frequently Asked Questions

How hot does Maison Dieu get in summer?

Maison Dieu in New South Wales experiences summer temperatures consistent with the regional climate. BOM publishes historical temperature data for weather stations near Maison Dieu. Get a property-specific heat exposure assessment with projected cooling costs from ClimateNest.

Is extreme heat increasing in Maison Dieu?

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 Maison Dieu 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 Maison Dieu and the performance of your building envelope.

What heat mitigation measures work best in Maison Dieu?

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 Maison Dieu is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 10.9% of Maison Dieu in high-risk zones for bushfire, with a further 64.4% 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 Maison Dieu Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Maison Dieu, New South Wales, covering flood, bushfire, sea level rise and more.

Free instant previewCSIRO-powered data

What A$69 could save you from

$7.2B
2022 insured disaster losses*
$300B+
climate risk to property by 2050*
30-120%
insurance premium increases in high-risk areas*

*Industry sources: ICA, APRA, RBA

Full report from A$69 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections