What the mapping shows for Idalia
Part of Idalia is mapped as subject to coastal inundation.
4.2% of Idalia is mapped as part of the Queensland coastal management district (coastal management district declared under the Coastal Management Act 2016)
Queensland Coastal Management District, State of Queensland (Department of Environment, Tourism, Science and Innovation), Creative Commons Attribution 4.0, retrieved 2026-10-23
This is a share of the suburb's land area from a published state dataset, not an assessment of any property. A ClimateNest report scores the individual address across eight hazards, with insurance and value projections to 2050.
Check an address in Idalia →Heat Risk in Idalia, QLD: 2026 Assessment
4.2% of Idalia is mapped as part of the Queensland coastal management district (coastal management district declared under the Coastal Management Act 2016)
That figure covers the suburb. Check whether your address is inside it - address-level, sourced, A$49.
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Heat Risk Score
Not assessedIdalia experiences high temperatures, particularly during the summer months. Climate change is projected to increase the frequency and intensity of heatwaves, posing a risk to vulnerable populations.
Key Facts
- Heat Risk
- Idalia experiences high temperatures, particularly during the summer months. Climate change is projected to increase the frequency and intensity of heatwaves, posing a risk to vulnerable populations.
- Trend
- increasing
- Suburb
- Idalia, QLD
- Overall Risk
- Medium
- Postcode
- 4811
Heat Risk Analysis
Idalia in Queensland faces location-specific 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 Idalia 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.
Townsville experiences several days above 35°C each year, with heat stress being a significant concern for vulnerable populations.
Get an address-level heat risk assessment from ClimateNest for Idalia including cooling cost estimates, heatwave vulnerability scoring, and adaptation recommendations tailored to your property.
ClimateNest assesses hazards at the address rather than the suburb, because exposure varies street by street within Idalia. An address-level check is what tells you about a specific property before you buy, sell or insure it.
Local Hazard Evidence
Historical Events
Townsville experienced a prolonged heatwave in early 2018, with temperatures exceeding 35°C for several consecutive days. This put a strain on the electricity grid and caused health problems for vulnerable residents.
Adaptation & Mitigation Actions
Improve Flood Defenses
Near-termInvest in infrastructure improvements to protect against flooding, such as levees, drainage systems, and flood-proofing of buildings.
Est. cost: High
Develop a Heatwave Management Plan
ImmediateImplement a heatwave management plan to protect vulnerable populations, including early warning systems, cooling centers, and public awareness campaigns.
Est. cost: Medium
Enhance Bushfire Preparedness
Near-termImplement measures to reduce the risk of bushfires, such as clearing vegetation around homes, creating firebreaks, and educating residents about bushfire safety.
Est. cost: Low
Promote Water Conservation
Long-termEncourage water conservation to reduce the strain on water resources during periods of drought and heatwaves.
Est. cost: Low
Council & Emergency Services
Explore Idalia Risk Reports
View other climate risk assessments for Idalia:
Frequently Asked Questions
How hot does Idalia get in summer?
Idalia in Queensland experiences summer temperatures consistent with the regional climate. BOM publishes historical temperature data for weather stations near Idalia. Get a property-specific heat exposure assessment with projected cooling costs from ClimateNest.
Is extreme heat increasing in Idalia?
Australia-wide, extreme heat events have become more frequent since the mid-20th century, and this trend is consistent with CSIRO climate projections for Queensland. Continued warming is likely through 2050 under all emissions scenarios.
How does heat affect energy costs for Idalia 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 Idalia and the performance of your building envelope.
What heat mitigation measures work best in Idalia?
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.
Is Idalia Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Idalia, Queensland, covering flood, bushfire, sea level rise and more.
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