Is Derby, WA Climate Safe? 2026 Assessment
Climate Safety Score
7.2/10Climate risk is high — address assessment recommended
Key Facts
- Climate Safety
- High
- Flood
- Derby faces a high risk of flooding due to its low-lying coastal location and proximity to the Fitzroy River. Intense rainfall events can lead to riverine and flash flooding.
- Bushfire
- The risk of bushfire in Derby is moderate, with surrounding grasslands and scrubland posing a potential fire hazard during the dry season.
- Heat
- Derby experiences high temperatures, particularly during the summer months, increasing the risk of heatwaves and heat stress.
- Storm
- Moderate storm risk — winter storms and occasional severe thunderstorms
- Postcode
- 6728
- Highest high-risk exposure
- 19.4% of land (bushfire)
Climate Safety Analysis
Derby in Western Australia has an overall climate safety rating of High. 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 Derby's climate safety include heat, flood, coastal, 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 Derby 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 Derby including address-level hazard mapping, insurance outlook, and adaptation recommendations, use the ClimateNest full analysis tool.
Derby (postcode 6728) 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 (19.4% of land in high-risk zones), surface flood (8.7% of land in high-risk zones), riverine flood (6.8% of land in high-risk zones). Exposure is not uniform across Derby — 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
Heavy rainfall caused flash flooding in parts of Derby, disrupting traffic and damaging property.
Record-breaking temperatures during a prolonged heatwave put strain on the town's infrastructure and caused health concerns.
Major flooding of the Fitzroy River impacted Derby, causing damage to infrastructure and homes.
Adaptation & Mitigation Actions
Upgrade Flood Defenses
ImmediateInvest in infrastructure to protect against flooding, such as levees, drainage systems, and flood barriers.
Est. cost: High
Develop a Heat Action Plan
Near-termImplement a plan to protect vulnerable populations during heatwaves, including cooling centers and public awareness campaigns.
Est. cost: Medium
Implement Coastal Protection Measures
Near-termProtect coastal areas from erosion and inundation through measures such as seawalls, beach nourishment, and managed retreat.
Est. cost: High
Improve Bushfire Preparedness
Long-termReduce the risk of bushfires through fuel reduction, firebreaks, and community education programs.
Est. cost: Medium
Council & Emergency Services
Explore Derby Risk Reports
View other climate risk assessments for Derby:
Frequently Asked Questions
Is Derby safe from climate change?
No location in Australia is entirely immune to climate change impacts. Derby has an overall High 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 Derby?
The dominant hazard for Derby 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 Derby 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 Western Australia suburbs.
Should I be concerned about buying property in Derby?
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 Derby?
Key projections for Western Australia 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 Derby.
What share of Derby is exposed to high bushfire risk?
ClimateNest's hazard overlay maps 19.4% of Derby in high-risk zones for bushfire, with a further 54.3% 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 Derby Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Derby, Western Australia, covering flood, bushfire, sea level rise and more.
What A$69 could save you from
*Industry sources: ICA, APRA, RBA
Full report from A$69 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections