Heat Risk in Tumbulgum, NSW: 2026 Assessment
Heat Risk Score
6.0/10The area experiences moderately high temperatures, with potential for heatwaves. Climate change is expected to increase the frequency and intensity of heat events.
Key Facts
- Heat Risk
- The area experiences moderately high temperatures, with potential for heatwaves. Climate change is expected to increase the frequency and intensity of heat events.
- Trend
- increasing
- Suburb
- Tumbulgum, NSW
- Overall Risk
- High
- Postcode
- 2490
- Highest high-risk exposure
- 13.7% of land (surface flood)
Heat Risk Analysis
Tumbulgum 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 Tumbulgum 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 area experiences several days above 30 degrees Celsius in summer.
Get an address-level heat risk assessment from ClimateNest for Tumbulgum including cooling cost estimates, heatwave vulnerability scoring, and adaptation recommendations tailored to your property.
Tumbulgum (postcode 2490) 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 surface flood (13.7% of land in high-risk zones), bushfire (12% of land in high-risk zones), riverine flood (7.2% of land in high-risk zones). Exposure is not uniform across Tumbulgum — 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 infrastructure to protect against flooding, such as levees, flood barriers, and improved drainage systems.
Est. cost: High
Enhance Bushfire Preparedness
Near-termImplement bushfire management strategies, including vegetation clearing, fire breaks, and community education programs.
Est. cost: Medium
Develop a Heatwave Management Plan
Near-termCreate a plan to protect vulnerable residents during heatwaves, including cooling centers and public awareness campaigns.
Est. cost: Low
Strengthen Coastal Resilience
Long-termImplement measures to protect against coastal erosion and sea level rise, such as beach nourishment and seawalls.
Est. cost: High
Improve Emergency Response
ImmediateEnhance emergency response capabilities, including evacuation plans, early warning systems, and community training.
Est. cost: Medium
Council & Emergency Services
Explore Tumbulgum Risk Reports
View other climate risk assessments for Tumbulgum:
Frequently Asked Questions
How hot does Tumbulgum get in summer?
Tumbulgum in New South Wales experiences summer temperatures consistent with the regional climate. BOM publishes historical temperature data for weather stations near Tumbulgum. Get a property-specific heat exposure assessment with projected cooling costs from ClimateNest.
Is extreme heat increasing in Tumbulgum?
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 Tumbulgum 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 Tumbulgum and the performance of your building envelope.
What heat mitigation measures work best in Tumbulgum?
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 Tumbulgum is exposed to high surface flood risk?
ClimateNest's hazard overlay maps 13.7% of Tumbulgum in high-risk zones for surface flood, with a further 67.5% 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 Tumbulgum Safe from Climate Risk?
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