📮 Thomson postcode: 3215

Is Thomson, VIC Climate Safe? 2026 Assessment

Thomson, Victoria· City of Greater Geelong· 3215
Moderate climate risk — address-specificUpdated 28 June 2026

Climate Safety Score

5.5/10

Moderate climate risk — address-specific

Key Facts

Climate Safety
Medium
Flood
Thomson faces a moderate flood risk, primarily due to its proximity to the Barwon River and potential for flash flooding.
Bushfire
The risk of bushfire is relatively low, with limited direct bushland interface within the suburb itself.
Heat
Thomson is highly susceptible to heatwaves, with a significant number of days exceeding 35°C projected.
Storm
Moderate storm risk — severe thunderstorms with hail and damaging winds
Postcode
3219
Highest high-risk exposure
11.9% of land (bushfire)

Climate Safety Analysis

Thomson in Victoria has an overall climate safety rating of Medium. This multi-hazard assessment combines flood, bushfire, heat, coastal, and storm risk data with climate projections to 2050 from CSIRO and the Bureau of Meteorology.

Key factors affecting Thomson's climate safety include heat, flood. Each hazard is assessed independently and combined for an overall picture. Australia has warmed by approximately 1.5 °C since 1910, with flow-on effects to fire weather, extreme rainfall, and heatwave frequency.

Climate safety for property in Thomson is not uniform — it varies by address. Factors such as elevation, distance to waterways, proximity to bushland, and local drainage all influence actual risk at a specific property. Two nearby properties can have materially different risk profiles.

For a complete property-specific climate safety report for Thomson including address-level hazard mapping, insurance outlook, and adaptation recommendations, use the ClimateNest full analysis tool.

Thomson (postcode 3219) 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 (11.9% of land in high-risk zones), surface flood (7.4% of land in high-risk zones), riverine flood (5.1% of land in high-risk zones). Exposure is not uniform across Thomson — 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

Distance to BushlandVariable, up to 1.5km to significant bushland reserves
BAL OverlaySignificant Landscape Overlay (SLO) in surrounding areas, but not directly within most residential zones of Thomson.
Nearest WaterwayBarwon River
Flood ZoneModerate to High in areas adjacent to Barwon River
Avg January Max26.5 °C

Historical Events

2016
Major

A prolonged period of extreme heat affected Victoria, including the Geelong region, leading to increased demand on power grids and health services.

2011
Moderate

Minor to moderate flooding of the Barwon River impacted low-lying areas, with potential effects on properties near the river in Thomson.

2009
Catastrophic

Victoria experienced a severe heatwave, with record-breaking temperatures causing widespread health impacts and infrastructure strain. Thomson would have been affected.

1971
Major

Significant flooding occurred along the Barwon River, impacting areas downstream including parts of Thomson.

Adaptation & Mitigation Actions

Enhance Urban Green Infrastructure

Near-term

Increase tree canopy cover and green spaces to mitigate the urban heat island effect and improve stormwater management.

Est. cost: $$

Upgrade Flood Defences and Drainage

Immediate

Invest in upgrading and maintaining flood levees, stormwater drainage systems, and permeable surfaces to better manage increased rainfall intensity.

Est. cost: $$$

Promote Heat-Resilient Building Design

Near-term

Encourage or mandate building designs that incorporate passive cooling, high-performance insulation, and reflective roofing materials.

Est. cost: $$

Develop Community Heatwave Response Plan

Immediate

Establish clear communication channels and designated cooling centres for vulnerable residents during extreme heat events.

Est. cost: $

Review and Update Emergency Management Plans

Near-term

Ensure local emergency services and council plans adequately address the projected increases in flood and heat risks.

Est. cost: $

Council & Emergency Services

City of Greater Geelong
Emergency Services

Data last updated: 28 June 2026

Explore Thomson Risk Reports

Frequently Asked Questions

Is Thomson safe from climate change?

No location in Australia is entirely immune to climate change impacts. Thomson has an overall Medium climate risk rating. Understanding the specific hazards at your property address — not just the suburb average — provides the most reliable risk picture.

Which climate hazard poses the biggest risk in Thomson?

The dominant hazard for Thomson depends on geography and local environment. Proximity to waterways elevates flood risk, while proximity to bushland increases bushfire risk. ClimateNest's multi-hazard analysis identifies the highest-risk hazards for any specific address.

How does Thomson compare to nearby suburbs for climate safety?

Nearby suburbs may have different climate risk profiles depending on elevation, vegetation cover, drainage patterns, and land use. ClimateNest allows comparison of climate safety scores across Victoria suburbs.

Should I be concerned about buying property in Thomson?

Climate risk should be one factor in your decision, alongside price, location, and amenity. An informed buyer understands the specific risks at a property address and factors insurance costs and climate projections into their assessment of long-term value.

What climate projections should I know for Thomson?

Key projections for Victoria from CSIRO include increased average temperatures, more frequent hot days, changes in rainfall seasonality, longer fire seasons, and potential increases in extreme rainfall intensity. These trends inform the long-term outlook for Thomson.

What share of Thomson is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 11.9% of Thomson in high-risk zones for bushfire, with a further 74% 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 Thomson Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Thomson, 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