Is St Marys, TAS Climate Safe? 2026 Assessment
Climate Safety Score
5.2/10Moderate climate risk — address-specific
Key Facts
- Climate Safety
- Medium
- Flood
- St Marys faces a moderate risk of flooding due to its proximity to waterways and low-lying areas. Increased rainfall intensity could exacerbate this risk.
- Bushfire
- The area surrounding St Marys has a high bushfire risk due to the presence of dense vegetation. Drier conditions and higher temperatures are expected to increase this risk.
- Heat
- St Marys is likely to experience more frequent and intense heatwaves. This poses a risk to vulnerable populations.
- Storm
- Moderate storm risk — westerly wind storms and occasional severe weather
- Postcode
- 7215
- Highest high-risk exposure
- 13.2% of land (surface flood)
Climate Safety Analysis
St Marys in Tasmania 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 St Marys's climate safety include bushfire. 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 St Marys 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 St Marys including address-level hazard mapping, insurance outlook, and adaptation recommendations, use the ClimateNest full analysis tool.
St Marys (postcode 7215) 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 (13.2% of land in high-risk zones), extreme wind (9.1% of land in high-risk zones), riverine flood (3.1% of land in high-risk zones). Exposure is not uniform across St Marys — 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
Historical Events
Localized flooding occurred after a period of heavy rainfall.
St Marys experienced a prolonged heatwave with temperatures exceeding 35°C for several days.
Bushfires in the region caused smoke haze and increased fire risk in St Marys.
Heavy rainfall caused flooding in St Marys, affecting several properties near the St Marys Rivulet.
Adaptation & Mitigation Actions
Develop a Bushfire Management Plan
ImmediateCreate a comprehensive plan for bushfire preparedness, including clearing vegetation, maintaining firebreaks, and establishing evacuation routes.
Est. cost: Low
Upgrade Drainage Infrastructure
Near-termImprove drainage systems to reduce the risk of flooding during heavy rainfall events.
Est. cost: Medium
Implement a Heatwave Action Plan
Near-termDevelop a plan to protect vulnerable populations during heatwaves, including establishing cooling centers and providing public awareness campaigns.
Est. cost: Low
Promote Water Conservation
Long-termEncourage water conservation measures to reduce water stress during periods of drought and heat.
Est. cost: Low
Community Education Programs
Near-termRun workshops and distribute information on how residents can prepare for and respond to climate-related hazards.
Est. cost: Low
Council & Emergency Services
Explore St Marys Risk Reports
View other climate risk assessments for St Marys:
Frequently Asked Questions
Is St Marys safe from climate change?
No location in Australia is entirely immune to climate change impacts. St Marys 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 St Marys?
The dominant hazard for St Marys 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 St Marys 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 Tasmania suburbs.
Should I be concerned about buying property in St Marys?
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 St Marys?
Key projections for Tasmania 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 St Marys.
What share of St Marys is exposed to high surface flood risk?
ClimateNest's hazard overlay maps 13.2% of St Marys in high-risk zones for surface flood, with a further 60.7% 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 St Marys Safe from Climate Risk?
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