📮 Oakville postcode: 2765

Heat Risk in Oakville, NSW: 2026 Assessment

Oakville, New South Wales· Hawkesbury· 2765
Oakville experiences moderately high temperatures during summer, with potential for heatwaves. Climate change is expected to increase the frequency and intensity of heat events.Updated 10 May 2026

Heat Risk Score

6.0/10

Oakville experiences moderately high temperatures during summer, with potential for heatwaves. Climate change is expected to increase the frequency and intensity of heat events.

Key Facts

Heat Risk
Oakville experiences moderately high temperatures during summer, with potential for heatwaves. Climate change is expected to increase the frequency and intensity of heat events.
Trend
increasing
Suburb
Oakville, NSW
Overall Risk
Medium
Postcode
2765
Highest high-risk exposure
26.1% of land (bushfire)

Heat Risk Analysis

Oakville 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 Oakville 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 Bureau of Meteorology provides detailed temperature data for the region.

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

Oakville (postcode 2765) 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 (26.1% of land in high-risk zones), surface flood (11.8% of land in high-risk zones), riverine flood (5.2% of land in high-risk zones). Exposure is not uniform across Oakville — 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/Year3
Urban Heat ContextThe Bureau of Meteorology provides detailed temperature data for the region.

Historical Events

2019
Moderate

Prolonged heatwave conditions led to increased heat stress and health concerns in Oakville.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Invest in flood levees and drainage systems to protect properties from rising floodwaters.

Est. cost: High

Enhance Bushfire Preparedness

Near-term

Implement bushfire mitigation measures, such as clearing vegetation and creating firebreaks, to reduce the risk of property damage.

Est. cost: Medium

Develop Heat Action Plan

Immediate

Create a community heat action plan to protect vulnerable residents during heatwaves, including cooling centers and outreach programs.

Est. cost: Low

Promote Water Conservation

Long-term

Encourage water conservation measures to reduce water stress during droughts and heatwaves.

Est. cost: Low

Council & Emergency Services

Hawkesbury City Council
Emergency Services

Data last updated: 10 May 2026

Explore Oakville Risk Reports

Frequently Asked Questions

How hot does Oakville get in summer?

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

Is extreme heat increasing in Oakville?

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 Oakville 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 Oakville and the performance of your building envelope.

What heat mitigation measures work best in Oakville?

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 Oakville is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 26.1% of Oakville in high-risk zones for bushfire, with a further 66% 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 Oakville Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Oakville, 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