Heat Risk in Wynnum, TAS: 2026 Assessment

Wynnum, Tasmania· UNKNOWN
Wynnum experiences moderate heat risk, with increasing average temperatures during summer. Heatwaves are expected to become more frequent and intense, impacting vulnerable populations.Updated 2 Apr 2026

Heat Risk Score

5.0/10

Wynnum experiences moderate heat risk, with increasing average temperatures during summer. Heatwaves are expected to become more frequent and intense, impacting vulnerable populations.

Key Facts

Heat Risk
Wynnum experiences moderate heat risk, with increasing average temperatures during summer. Heatwaves are expected to become more frequent and intense, impacting vulnerable populations.
Trend
increasing
Suburb
Wynnum, TAS
Overall Risk
Medium

Heat Risk Analysis

Wynnum in Tasmania 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 Wynnum 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.

Elderly residents are particularly vulnerable to heat stress during summer months.

Get an address-level heat risk assessment from ClimateNest for Wynnum including cooling cost estimates, heatwave vulnerability scoring, and adaptation recommendations tailored to your property.

Local Hazard Evidence

Avg January Max Temp22.5 °C
Heat Stress Events/Year2
Urban Heat ContextElderly residents are particularly vulnerable to heat stress during summer months.

Historical Events

2019
Moderate

A prolonged heatwave resulted in increased heat stress among vulnerable residents.

Adaptation & Mitigation Actions

Improve Drainage Infrastructure

Near-term

Upgrade drainage systems to handle increased rainfall intensity and reduce the risk of flooding.

Est. cost: Medium

Protect Coastal Areas

Immediate

Implement coastal protection measures such as seawalls and beach nourishment to reduce erosion and inundation.

Est. cost: High

Develop Heatwave Early Warning System

Near-term

Establish a system to alert residents of impending heatwaves and provide guidance on how to stay safe.

Est. cost: Low

Promote Energy Efficiency

Long-term

Encourage residents to adopt energy-efficient practices to reduce greenhouse gas emissions and lower energy bills.

Est. cost: Low

Bushfire Preparedness Planning

Near-term

Develop and implement bushfire preparedness plans for properties near bushland, including clearing vegetation and creating firebreaks.

Est. cost: Low

Council & Emergency Services

UNKNOWN
Emergency Services

Data last updated: 2 April 2026

Explore Wynnum Risk Reports

Frequently Asked Questions

How hot does Wynnum get in summer?

Wynnum in Tasmania experiences summer temperatures consistent with the regional climate. BOM publishes historical temperature data for weather stations near Wynnum. Get a property-specific heat exposure assessment with projected cooling costs from ClimateNest.

Is extreme heat increasing in Wynnum?

Australia-wide, extreme heat events have become more frequent since the mid-20th century, and this trend is consistent with CSIRO climate projections for Tasmania. Continued warming is likely through 2050 under all emissions scenarios.

How does heat affect energy costs for Wynnum 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 Wynnum and the performance of your building envelope.

What heat mitigation measures work best in Wynnum?

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 Wynnum Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Wynnum, Tasmania, covering flood, bushfire, sea level rise and more.

Free instant previewCSIRO-powered data

What A$69 could save you from

$7.2B
2022 insured disaster losses*
$300B+
climate risk to property by 2050*
30-120%
insurance premium increases in high-risk areas*

*Industry sources: ICA, APRA, RBA

Full report from A$69 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections