Heat Risk in Murwillumbah, NSW: 2026 Assessment
Heat Risk Score
6.8/10Murwillumbah experiences hot summers, and the frequency and intensity of heatwaves are projected to increase. This can pose a risk to vulnerable populations, such as the elderly and those with chronic health conditions.
Key Facts
- Heat Risk
- Murwillumbah experiences hot summers, and the frequency and intensity of heatwaves are projected to increase. This can pose a risk to vulnerable populations, such as the elderly and those with chronic health conditions.
- Trend
- increasing
- Suburb
- Murwillumbah, NSW
- Overall Risk
- High
- Postcode
- 2484
- Highest high-risk exposure
- 10.5% of land (bushfire)
Heat Risk Analysis
Murwillumbah 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 Murwillumbah 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.
Murwillumbah experiences several days above 35°C each summer.
Get an address-level heat risk assessment from ClimateNest for Murwillumbah including cooling cost estimates, heatwave vulnerability scoring, and adaptation recommendations tailored to your property.
Murwillumbah (postcode 2484) 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 (10.5% of land in high-risk zones), riverine flood (8.5% of land in high-risk zones), extreme wind (5.1% of land in high-risk zones). Exposure is not uniform across Murwillumbah — 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
Adaptation & Mitigation Actions
Improve Flood Defenses
ImmediateInvest in flood levees, drainage improvements, and early warning systems to reduce the impact of flooding.
Est. cost: High
Develop Heatwave Preparedness Plans
Near-termImplement heatwave early warning systems, establish cooling centers, and educate the public on how to stay safe during heatwaves.
Est. cost: Medium
Strengthen Bushfire Resilience
Near-termImplement bushfire hazard reduction programs, improve building codes for bushfire-prone areas, and educate residents on bushfire safety.
Est. cost: Medium
Promote Sustainable Urban Planning
Long-termIncorporate climate change considerations into urban planning decisions, such as promoting green infrastructure, reducing urban sprawl, and improving energy efficiency.
Est. cost: High
Council & Emergency Services
Explore Murwillumbah Risk Reports
View other climate risk assessments for Murwillumbah:
Frequently Asked Questions
How hot does Murwillumbah get in summer?
Murwillumbah in New South Wales experiences summer temperatures consistent with the regional climate. BOM publishes historical temperature data for weather stations near Murwillumbah. Get a property-specific heat exposure assessment with projected cooling costs from ClimateNest.
Is extreme heat increasing in Murwillumbah?
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 Murwillumbah 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 Murwillumbah and the performance of your building envelope.
What heat mitigation measures work best in Murwillumbah?
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 Murwillumbah is exposed to high bushfire risk?
ClimateNest's hazard overlay maps 10.5% of Murwillumbah in high-risk zones for bushfire, with a further 68.5% 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 Murwillumbah Safe from Climate Risk?
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