Is Mount Annan, NSW Climate Safe? 2026 Assessment
Climate Safety Score
5.2/10Moderate climate risk — address-specific
Key Facts
- Climate Safety
- Medium
- Flood
- Mount Annan faces a moderate risk of flooding, primarily from heavy rainfall events and nearby waterways. Properties in low-lying areas are particularly vulnerable.
- Bushfire
- The suburb has a high bushfire risk due to its proximity to bushland areas. Hot, dry conditions and strong winds can exacerbate the risk during bushfire season.
- Heat
- Mount Annan experiences moderate heat risk, with increasing average temperatures and more frequent heatwave events expected in the future.
- Storm
- Moderate storm risk — East Coast Lows bring severe weather including hail and damaging winds
- Postcode
- 2567
- Highest high-risk exposure
- 11.1% of land (riverine flood)
Climate Safety Analysis
Mount Annan in New South Wales 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 Mount Annan'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 Mount Annan 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 Mount Annan including address-level hazard mapping, insurance outlook, and adaptation recommendations, use the ClimateNest full analysis tool.
Mount Annan (postcode 2567) 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 riverine flood (11.1% of land in high-risk zones), surface flood (9.4% of land in high-risk zones), bushfire (9.3% of land in high-risk zones). Exposure is not uniform across Mount Annan — 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
Prolonged heatwave conditions affected Mount Annan, with temperatures exceeding 40 degrees Celsius for several days.
Significant flooding occurred in the Camden area, impacting Mount Annan and surrounding suburbs.
A bushfire near Mount Annan caused property damage and required evacuations.
Heavy rainfall caused flooding in low-lying areas of Mount Annan, affecting several properties near Narellan Creek.
Adaptation & Mitigation Actions
Improve Flood Defenses
Near-termInvest in infrastructure to mitigate flood risk, such as improved drainage systems and flood barriers.
Est. cost: Medium
Bushfire Preparedness
ImmediateImplement bushfire management strategies, including vegetation clearing and community education programs.
Est. cost: Low
Heatwave Action Plan
Near-termDevelop and implement a heatwave action plan to protect vulnerable populations during extreme heat events.
Est. cost: Low
Community Awareness Programs
Long-termEducate residents about climate risks and adaptation measures through community workshops and online resources.
Est. cost: Low
Council & Emergency Services
Explore Mount Annan Risk Reports
View other climate risk assessments for Mount Annan:
Frequently Asked Questions
Is Mount Annan safe from climate change?
No location in Australia is entirely immune to climate change impacts. Mount Annan 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 Mount Annan?
The dominant hazard for Mount Annan 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 Mount Annan 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 New South Wales suburbs.
Should I be concerned about buying property in Mount Annan?
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 Mount Annan?
Key projections for New South Wales 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 Mount Annan.
What share of Mount Annan is exposed to high riverine flood risk?
ClimateNest's hazard overlay maps 11.1% of Mount Annan in high-risk zones for riverine flood, with a further 67.1% 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 Mount Annan Safe from Climate Risk?
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Full report from A$69 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections