Heat Risk in Tea Tree Gully, SA: 2026 Assessment
Heat Risk Score
5.0/10Tea Tree Gully experiences hot summers, and the frequency and intensity of heatwaves are projected to increase with climate change. This poses a risk to vulnerable populations, such as the elderly and those with chronic health conditions.
Key Facts
- Heat Risk
- Tea Tree Gully experiences hot summers, and the frequency and intensity of heatwaves are projected to increase with climate change. This poses a risk to vulnerable populations, such as the elderly and those with chronic health conditions.
- Trend
- increasing
- Suburb
- Tea Tree Gully, SA
- Overall Risk
- Medium
- Postcode
- 5091
- Highest high-risk exposure
- 15.9% of land (bushfire)
Heat Risk Analysis
Tea Tree Gully in South Australia 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 Tea Tree Gully 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 local council provides cooling centers and promotes heat safety awareness during summer months.
Get an address-level heat risk assessment from ClimateNest for Tea Tree Gully including cooling cost estimates, heatwave vulnerability scoring, and adaptation recommendations tailored to your property.
Tea Tree Gully (postcode 5091) 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 (15.9% of land in high-risk zones), surface flood (5.9% of land in high-risk zones), extreme wind (5.9% of land in high-risk zones). Exposure is not uniform across Tea Tree Gully — 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
Historical Events
A prolonged heatwave resulted in increased hospital admissions and strain on infrastructure.
Adaptation & Mitigation Actions
Improve stormwater drainage
Near-termUpgrade stormwater infrastructure to handle increased rainfall intensity and reduce flood risk.
Est. cost: Medium
Implement bushfire management plan
ImmediateDevelop and implement a comprehensive bushfire management plan, including fuel reduction and community education programs.
Est. cost: Medium
Increase green spaces
Near-termExpand green spaces and tree canopy cover to reduce the urban heat island effect and provide shade.
Est. cost: Medium
Promote water conservation
Long-termEncourage water conservation measures to reduce water demand during periods of drought and heatwaves.
Est. cost: Low
Council & Emergency Services
Explore Tea Tree Gully Risk Reports
View other climate risk assessments for Tea Tree Gully:
Frequently Asked Questions
How hot does Tea Tree Gully get in summer?
Tea Tree Gully in South Australia experiences summer temperatures consistent with the regional climate. BOM publishes historical temperature data for weather stations near Tea Tree Gully. Get a property-specific heat exposure assessment with projected cooling costs from ClimateNest.
Is extreme heat increasing in Tea Tree Gully?
Australia-wide, extreme heat events have become more frequent since the mid-20th century, and this trend is consistent with CSIRO climate projections for South Australia. Continued warming is likely through 2050 under all emissions scenarios.
How does heat affect energy costs for Tea Tree Gully 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 Tea Tree Gully and the performance of your building envelope.
What heat mitigation measures work best in Tea Tree Gully?
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 Tea Tree Gully is exposed to high bushfire risk?
ClimateNest's hazard overlay maps 15.9% of Tea Tree Gully in high-risk zones for bushfire, with a further 77.1% 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 Tea Tree Gully Safe from Climate Risk?
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