📮 Streaky Bay postcode: 5680

Heat Risk in Streaky Bay, SA: 2026 Assessment

Streaky Bay, South Australia· Streaky Bay· 5680
Streaky Bay experiences high temperatures during summer, leading to a significant heat risk. This is expected to worsen with climate change, increasing the frequency and intensity of heatwaves.Updated 10 Mar 2026

Heat Risk Score

7.0/10

Streaky Bay experiences high temperatures during summer, leading to a significant heat risk. This is expected to worsen with climate change, increasing the frequency and intensity of heatwaves.

Key Facts

Heat Risk
Streaky Bay experiences high temperatures during summer, leading to a significant heat risk. This is expected to worsen with climate change, increasing the frequency and intensity of heatwaves.
Trend
increasing
Suburb
Streaky Bay, SA
Overall Risk
Medium
Postcode
5680
Highest high-risk exposure
17.1% of land (bushfire)

Heat Risk Analysis

Streaky Bay 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 Streaky Bay 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 are becoming more frequent and intense in the region.

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

Streaky Bay (postcode 5680) 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 (17.1% of land in high-risk zones), surface flood (8.8% of land in high-risk zones), extreme wind (6% of land in high-risk zones). Exposure is not uniform across Streaky Bay — 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

Avg January Max Temp32.5 °C
Heat Stress Events/Year5
Urban Heat ContextHeatwaves are becoming more frequent and intense in the region.

Historical Events

2019
Moderate

A prolonged heatwave resulted in heat stress and health concerns for residents.

Adaptation & Mitigation Actions

Coastal Protection Measures

Near-term

Implement coastal protection measures such as seawalls and dune restoration to mitigate erosion and flooding.

Est. cost: High

Heatwave Preparedness Plan

Immediate

Develop and implement a heatwave preparedness plan to protect vulnerable residents during extreme heat events.

Est. cost: Low

Upgrade Infrastructure

Long-term

Upgrade critical infrastructure to withstand the impacts of climate change, including roads, drainage systems, and power grids.

Est. cost: Very High

Community Awareness Programs

Near-term

Conduct community awareness programs to educate residents about climate risks and adaptation strategies.

Est. cost: Low

Council & Emergency Services

Streaky Bay District Council
Emergency Services

Data last updated: 10 March 2026

Explore Streaky Bay Risk Reports

Frequently Asked Questions

How hot does Streaky Bay get in summer?

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

Is extreme heat increasing in Streaky Bay?

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 Streaky Bay 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 Streaky Bay and the performance of your building envelope.

What heat mitigation measures work best in Streaky Bay?

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 Streaky Bay is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 17.1% of Streaky Bay in high-risk zones for bushfire, with a further 55.2% 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 Streaky Bay Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Streaky Bay, South Australia, 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