Heat Risk in Narran Lake, NSW: 2026 Assessment

Narran Lake, New South Wales· UNKNOWN
Narran Lake experiences high temperatures, particularly during summer. Climate change is projected to lead to more frequent and intense heatwaves, posing a risk to vulnerable populations.Updated 2 May 2026

Heat Risk Score

7.0/10

Narran Lake experiences high temperatures, particularly during summer. Climate change is projected to lead to more frequent and intense heatwaves, posing a risk to vulnerable populations.

Key Facts

Heat Risk
Narran Lake experiences high temperatures, particularly during summer. Climate change is projected to lead to more frequent and intense heatwaves, posing a risk to vulnerable populations.
Trend
increasing
Suburb
Narran Lake, NSW
Overall Risk
Medium
Postcode
2839
Highest high-risk exposure
10.3% of land (bushfire)

Heat Risk Analysis

Narran Lake 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 Narran Lake 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.

Narran Lake experiences several days above 35°C during the summer months, increasing the risk of heat stress.

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

Narran Lake (postcode 2839) 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 (10.3% of land in high-risk zones), surface flood (9.9% of land in high-risk zones), riverine flood (8.5% of land in high-risk zones). Exposure is not uniform across Narran Lake — 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 Temp35 °C
Heat Stress Events/Year5
Urban Heat ContextNarran Lake experiences several days above 35°C during the summer months, increasing the risk of heat stress.

Historical Events

2013
Moderate

A prolonged heatwave affected Narran Lake, with temperatures exceeding 40°C for several consecutive days.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Construct levees and improve drainage systems to reduce flood risk.

Est. cost: High

Implement Heat Action Plan

Immediate

Develop and implement a heat action plan to protect vulnerable populations during heatwaves.

Est. cost: Medium

Enhance Bushfire Preparedness

Near-term

Implement bushfire management strategies, including vegetation clearing and community education programs.

Est. cost: Medium

Upgrade Infrastructure

Long-term

Upgrade critical infrastructure to withstand extreme weather events.

Est. cost: Very High

Council & Emergency Services

UNKNOWN
Emergency Services

Data last updated: 2 May 2026

Explore Narran Lake Risk Reports

Frequently Asked Questions

How hot does Narran Lake get in summer?

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

Is extreme heat increasing in Narran Lake?

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 Narran Lake 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 Narran Lake and the performance of your building envelope.

What heat mitigation measures work best in Narran Lake?

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 Narran Lake is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 10.3% of Narran Lake in high-risk zones for bushfire, with a further 75.4% 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 Narran Lake Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Narran Lake, New South Wales, 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