Heat Risk in Windsor Downs, NSW: 2026 Assessment

Windsor Downs, New South Wales· UNKNOWN
Windsor Downs experiences moderate heat risk, with increasing average temperatures and more frequent heatwaves projected. This can impact vulnerable populations and infrastructure.Updated 3 Apr 2026

Heat Risk Score

5.0/10

Windsor Downs experiences moderate heat risk, with increasing average temperatures and more frequent heatwaves projected. This can impact vulnerable populations and infrastructure.

Key Facts

Heat Risk
Windsor Downs experiences moderate heat risk, with increasing average temperatures and more frequent heatwaves projected. This can impact vulnerable populations and infrastructure.
Trend
increasing
Suburb
Windsor Downs, NSW
Overall Risk
Medium
Postcode
2756
Highest high-risk exposure
12.2% of land (surface flood)

Heat Risk Analysis

Windsor Downs 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 Windsor Downs 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 average maximum temperature in January is increasing, leading to more frequent heat stress events. Vulnerable residents should take precautions during heatwaves.

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

Windsor Downs (postcode 2756) 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 surface flood (12.2% of land in high-risk zones), bushfire (10.9% of land in high-risk zones), riverine flood (5.4% of land in high-risk zones). Exposure is not uniform across Windsor Downs — 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 Temp31.5 °C
Heat Stress Events/Year5
Urban Heat ContextThe average maximum temperature in January is increasing, leading to more frequent heat stress events. Vulnerable residents should take precautions during heatwaves.

Historical Events

2019
Moderate

Prolonged heatwave conditions impacted Windsor Downs, with temperatures exceeding 40 degrees Celsius for several days.

Adaptation & Mitigation Actions

Improve drainage infrastructure

Near-term

Upgrade drainage systems to handle increased rainfall intensity and reduce the risk of flash flooding.

Est. cost: Medium

Implement bushfire management strategies

Immediate

Conduct regular fuel reduction burns and maintain firebreaks to reduce the risk of bushfires spreading to residential areas.

Est. cost: Medium

Develop a community heatwave plan

Near-term

Establish cooling centers and provide support to vulnerable residents during heatwaves.

Est. cost: Low

Promote water conservation

Long-term

Encourage residents to conserve water to reduce the strain on water resources during droughts and heatwaves.

Est. cost: Low

Raise community awareness

Near-term

Educate residents about climate change risks and adaptation measures through workshops and community events.

Est. cost: Low

Council & Emergency Services

Penrith City Council
Emergency Services

Data last updated: 3 April 2026

Explore Windsor Downs Risk Reports

Frequently Asked Questions

How hot does Windsor Downs get in summer?

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

Is extreme heat increasing in Windsor Downs?

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 Windsor Downs 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 Windsor Downs and the performance of your building envelope.

What heat mitigation measures work best in Windsor Downs?

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 Windsor Downs is exposed to high surface flood risk?

ClimateNest's hazard overlay maps 12.2% of Windsor Downs in high-risk zones for surface flood, with a further 79.7% 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 Windsor Downs Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Windsor Downs, 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