Heat Risk in Ravenswood, VIC: 2026 Assessment

Ravenswood, Victoria· Hornsby
Ravenswood is likely to experience more frequent and intense heatwaves, posing a risk to vulnerable populations.Updated 29 May 2026

Heat Risk Score

7.0/10

Ravenswood is likely to experience more frequent and intense heatwaves, posing a risk to vulnerable populations.

Key Facts

Heat Risk
Ravenswood is likely to experience more frequent and intense heatwaves, posing a risk to vulnerable populations.
Trend
increasing
Suburb
Ravenswood, VIC
Overall Risk
Medium
Postcode
3453
Highest high-risk exposure
13.4% of land (bushfire)

Heat Risk Analysis

Ravenswood in Victoria 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 Ravenswood 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 may experience higher temperatures due to the urban heat island effect.

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

Ravenswood (postcode 3453) 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 (13.4% of land in high-risk zones), surface flood (11.3% of land in high-risk zones), extreme wind (4.3% of land in high-risk zones). Exposure is not uniform across Ravenswood — 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 Temp29.5 °C
Heat Stress Events/Year3
Urban Heat ContextUrban areas may experience higher temperatures due to the urban heat island effect.

Historical Events

2019
Moderate

A prolonged heatwave resulted in increased demand for electricity and put stress on vulnerable populations.

Adaptation & Mitigation Actions

Improve stormwater drainage

Near-term

Upgrade stormwater drainage systems to handle increased rainfall intensity and reduce flood risk.

Est. cost: Medium

Bushfire preparedness

Immediate

Implement bushfire preparedness measures, such as clearing vegetation around properties and developing evacuation plans.

Est. cost: Low

Heatwave early warning system

Near-term

Develop and implement a heatwave early warning system to alert vulnerable populations and provide guidance on how to stay safe.

Est. cost: Low

Green infrastructure

Long-term

Increase green spaces and tree cover to reduce the urban heat island effect and improve stormwater management.

Est. cost: Medium

Community education programs

Near-term

Conduct community education programs to raise awareness about climate risks and adaptation measures.

Est. cost: Low

Council & Emergency Services

Hornsby Shire Council
Emergency Services

Data last updated: 29 May 2026

Explore Ravenswood Risk Reports

Frequently Asked Questions

How hot does Ravenswood get in summer?

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

Is extreme heat increasing in Ravenswood?

Australia-wide, extreme heat events have become more frequent since the mid-20th century, and this trend is consistent with CSIRO climate projections for Victoria. Continued warming is likely through 2050 under all emissions scenarios.

How does heat affect energy costs for Ravenswood 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 Ravenswood and the performance of your building envelope.

What heat mitigation measures work best in Ravenswood?

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 Ravenswood is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 13.4% of Ravenswood in high-risk zones for bushfire, with a further 58.9% 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 Ravenswood Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Ravenswood, Victoria, 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