📮 Rosebud postcode: 3939

Heat Risk in Rosebud, VIC: 2026 Assessment

Rosebud, Victoria· Mornington Peninsula· 3939
Rosebud is experiencing an increase in the frequency and intensity of heatwaves. This poses a significant risk to vulnerable populations, such as the elderly and those with chronic health conditions.Updated 1 Apr 2026

Heat Risk Score

7.0/10

Rosebud is experiencing an increase in the frequency and intensity of heatwaves. This poses a significant risk to vulnerable populations, such as the elderly and those with chronic health conditions.

Key Facts

Heat Risk
Rosebud is experiencing an increase in the frequency and intensity of heatwaves. This poses a significant risk to vulnerable populations, such as the elderly and those with chronic health conditions.
Trend
increasing
Suburb
Rosebud, VIC
Overall Risk
Medium
Postcode
3939
Highest high-risk exposure
11.9% of land (surface flood)

Heat Risk Analysis

Rosebud in Victoria 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 Rosebud 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.

Average January maximum temperature is based on historical data from the Bureau of Meteorology.

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

Rosebud (postcode 3939) 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 surface flood (11.9% of land in high-risk zones), bushfire (6.4% of land in high-risk zones), riverine flood (5.4% of land in high-risk zones). Exposure is not uniform across Rosebud — 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 Temp26.5 °C
Heat Stress Events/Year3
Urban Heat ContextAverage January maximum temperature is based on historical data from the Bureau of Meteorology.

Historical Events

2009
Major

The 2009 Victorian heatwave resulted in record-breaking temperatures and increased heat-related illnesses in Rosebud.

Adaptation & Mitigation Actions

Improve stormwater drainage

Near-term

Upgrade stormwater infrastructure to reduce the risk of flooding from heavy rainfall events.

Est. cost: Medium

Strengthen coastal defenses

Long-term

Implement coastal protection measures, such as seawalls and dune restoration, to mitigate the impacts of sea level rise and storm surges.

Est. cost: High

Develop a heatwave response plan

Immediate

Create a plan to protect vulnerable populations during heatwaves, including establishing cooling centers and providing public awareness campaigns.

Est. cost: Low

Reduce bushfire risk

Near-term

Implement bushfire mitigation measures, such as fuel reduction burns and community education programs.

Est. cost: Medium

Council & Emergency Services

Mornington Peninsula Shire Council
Emergency Services

Data last updated: 1 April 2026

Explore Rosebud Risk Reports

Frequently Asked Questions

How hot does Rosebud get in summer?

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

Is extreme heat increasing in Rosebud?

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

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

What heat mitigation measures work best in Rosebud?

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 Rosebud is exposed to high surface flood risk?

ClimateNest's hazard overlay maps 11.9% of Rosebud in high-risk zones for surface flood, with a further 60.9% 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 Rosebud Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Rosebud, Victoria, 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