What the mapping shows for Mackay
Part of Mackay is mapped as subject to coastal inundation.
25.2% of Mackay 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 Mackay →Heat Risk in Mackay, QLD: 2026 Assessment
25.2% of Mackay 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.
What A$49 could save you from
*Industry sources: ICA, APRA, RBA
Full report from A$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections
Not ready to check your address? See a free sample report →
Heat Risk Score
Not assessedMackay already experiences high temperatures, and climate change is projected to increase the frequency and intensity of heatwaves, posing a risk to vulnerable populations.
Key Facts
- Heat Risk
- Mackay already experiences high temperatures, and climate change is projected to increase the frequency and intensity of heatwaves, posing a risk to vulnerable populations.
- Trend
- increasing
- Suburb
- Mackay, QLD
- Overall Risk
- Medium
- Postcode
- 4740
- Region
- Mackay Region
- Median property value
- $550,000
- Dominant hazard
- extreme heat
Heat Risk Analysis
Mackay 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 Mackay 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.
Heatwaves can put a strain on the electricity grid and increase demand for cooling.
Get an address-level heat risk assessment from ClimateNest for Mackay including cooling cost estimates, heatwave vulnerability scoring, and adaptation recommendations tailored to your property.
Heat risk in Mackay is tied to the broader Mackay Region climate, and the number of days above 35°C is expected to grow through 2050 - a factor that affects cooling costs, garden viability and property desirability.
Mackay located in Mackay Region (postcode 4740), is a Queensland suburb tracked by ClimateNest. The suburb's median property value is $550,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Mackay.
Across the six hazard axes ClimateNest models, the dominant climate risk for Mackay in this type is extreme heat. Insurance signals for the suburb point to premiums rising moderately (+25% by 2030). The actual risk of any single home can only be confirmed with an address-level report.
Whether you are buying, selling or renovating in Mackay, extreme heat is the hazard to weigh first. Local council planning controls, state hazard mapping and lender climate policies each reference this kind of suburb-level signal, and property decisions in Mackay are increasingly made with an address-level climate report in hand.
Local Hazard Evidence
Historical Events
Mackay experienced a prolonged heatwave with temperatures exceeding 35 degrees Celsius for several days.
Adaptation & Mitigation Actions
Upgrade Flood Defenses
ImmediateInvest in infrastructure to reduce flood risk, such as levees, drainage systems, and flood-resistant building codes.
Est. cost: High
Protect Coastal Areas
Near-termImplement measures to protect coastal areas from erosion and sea level rise, such as seawalls, beach nourishment, and mangrove restoration.
Est. cost: Medium
Develop Heatwave Response Plan
ImmediateDevelop a comprehensive heatwave response plan to protect vulnerable populations, including cooling centers, public awareness campaigns, and early warning systems.
Est. cost: Low
Promote Water Conservation
Long-termEncourage water conservation through education, incentives, and water-efficient technologies to reduce the strain on water resources during droughts.
Est. cost: Low
Council & Emergency Services
Explore Mackay Risk Reports
View other climate risk assessments for Mackay:
Frequently Asked Questions
How hot does Mackay get in summer?
Mackay in Queensland experiences summer temperatures consistent with the regional climate. BOM publishes historical temperature data for weather stations near Mackay. Get a property-specific heat exposure assessment with projected cooling costs from ClimateNest.
Is extreme heat increasing in Mackay?
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 Mackay 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 Mackay and the performance of your building envelope.
What heat mitigation measures work best in Mackay?
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 Mackay Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Mackay, Queensland, covering flood, bushfire, sea level rise and more.
What A$49 could save you from
*Industry sources: ICA, APRA, RBA
Full report from A$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections