Heat Risk in Richmond Hill, QLD: 2026 Assessment

Richmond Hill, Queensland· UNKNOWN
Richmond Hill is likely to experience more frequent and intense heatwaves due to climate change. This poses a significant risk to vulnerable populations, such as the elderly and those with chronic health conditions.Updated 21 May 2026

Heat Risk Score

7.0/10

Richmond Hill is likely to experience more frequent and intense heatwaves due to climate change. This poses a significant risk to vulnerable populations, such as the elderly and those with chronic health conditions.

Key Facts

Heat Risk
Richmond Hill is likely to experience more frequent and intense heatwaves due to climate change. This poses a significant risk to vulnerable populations, such as the elderly and those with chronic health conditions.
Trend
increasing
Suburb
Richmond Hill, QLD
Overall Risk
Medium
Postcode
4820
Highest high-risk exposure
14.3% of land (tropical cyclone)

Heat Risk Analysis

Richmond Hill in Queensland 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 Richmond Hill 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 can exceed 32°C, with several days experiencing heat stress conditions.

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

Richmond Hill (postcode 4820) 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 tropical cyclone (14.3% of land in high-risk zones), riverine flood (13.4% of land in high-risk zones), extreme wind (12.1% of land in high-risk zones). Exposure is not uniform across Richmond Hill — 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 Temp32.5 °C
Heat Stress Events/Year5
Urban Heat ContextAverage maximum temperatures in January can exceed 32°C, with several days experiencing heat stress conditions.

Historical Events

2019
Moderate

Prolonged heatwave conditions with temperatures exceeding 40°C impacted Richmond Hill.

Adaptation & Mitigation Actions

Improve Drainage Infrastructure

Near-term

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

Est. cost: Medium

Implement Bushfire Management Plans

Near-term

Develop and implement bushfire management plans to reduce fuel loads and improve fire response capabilities.

Est. cost: Medium

Establish Heatwave Early Warning System

Immediate

Create a heatwave early warning system to alert residents of impending heatwaves and provide guidance on staying safe.

Est. cost: Low

Promote Water Conservation

Long-term

Encourage water conservation measures to reduce water stress during periods of drought and heatwaves.

Est. cost: Low

Council & Emergency Services

Hawkesbury City Council
Emergency Services

Data last updated: 21 May 2026

Explore Richmond Hill Risk Reports

Frequently Asked Questions

How hot does Richmond Hill get in summer?

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

Is extreme heat increasing in Richmond Hill?

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

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

What heat mitigation measures work best in Richmond Hill?

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 Richmond Hill is exposed to high tropical cyclone risk?

ClimateNest's hazard overlay maps 14.3% of Richmond Hill in high-risk zones for tropical cyclone, with a further 80.1% 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 Richmond Hill Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Richmond Hill, Queensland, covering flood, bushfire, sea level rise and more.

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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