Climate Risk Assessment for Kojonup, WA

Kojonup, Western Australia· UNKNOWN· 6395
Medium Risk
Updated Mar 2026

Kojonup faces moderate risks from flooding, bushfires, and heatwaves, which are projected to increase with climate change. The town is located inland, so coastal risks are negligible. Residents should prepare for more frequent and intense extreme weather events.

Overall Risk Score

5.5/10
Medium

Confidence: Medium

Hazard Breakdown

Flood
4.0
Bushfire
7.0
Heat
5.0
Coastal
1.0

Detailed Hazard Analysis

heat Risk

5.0/10

Kojonup experiences moderately high temperatures during summer, with the potential for heatwaves. Climate change is expected to increase the frequency and intensity of heat events.

Primary Drivers

  • ·Rising average temperatures
  • ·More frequent heatwaves
  • ·Urban heat island effect (minor)

Projections (RCP8.5)

2030

5.5

2050

6.0

Data source

flood Risk

4.0/10

Kojonup faces a moderate risk of flooding, primarily from the Blackwood River and local creeks. Intense rainfall events can lead to riverine and flash flooding.

Primary Drivers

  • ·Increased rainfall intensity
  • ·Changes in land use
  • ·Aging drainage infrastructure

Projections (RCP8.5)

2030

4.5

2050

5.0

Data source

coastal Risk

1.0/10

Kojonup is located inland and does not face any direct coastal risks such as sea level rise or coastal erosion.

Projections (RCP8.5)

2030

1.0

2050

1.0

Data source

bushfire Risk

7.0/10

The area surrounding Kojonup is prone to bushfires, particularly during the dry summer months. The presence of extensive bushland increases the risk.

Primary Drivers

  • ·Drier conditions
  • ·Increased fuel load
  • ·More frequent heatwaves

Projections (RCP8.5)

2030

7.5

2050

8.0

Data source

What This Means for Property Owners

Insurance Outlook

Insurance premiums may increase due to the rising risk of flooding and bushfires.

Price Impact

Properties in areas prone to flooding or bushfires may experience a decrease in value.

Buyer Checklist

  • 1.Check flood maps and bushfire prone area designations.
  • 2.Assess the property's vulnerability to extreme heat.
  • 3.Inquire about past flood or bushfire events.
  • 4.Ensure adequate insurance coverage.

Local Climate Evidence

Flood Evidence

Nearest Waterway
Blackwood River
Elevation Range
250-300m
Flood Zone
Areas adjacent to the Blackwood River are prone to flooding.

Historical flood data indicates that Kojonup has experienced several significant flood events in the past.

View council flood map

Bushfire Evidence

Distance to Bushland
Surrounded by bushland
Planning Overlay
DFES Bushfire Prone Areas Map
Bushfire Prone Area
Yes

The Shire of Kojonup is actively involved in bushfire prevention and management.

Heat Evidence

Avg January Max Temp
32.5°C
Heat Stress Days/Year
3 days

Elderly residents and those with chronic health conditions are particularly vulnerable to heat stress.

Coastal Evidence

Distance to Coast
150 km
Sea Level Rise Exposure
Not applicable
Erosion Risk
Not applicable

Historical Climate Events

2010
floodModerate

Heavy rainfall caused the Blackwood River to flood, inundating low-lying areas of Kojonup.

Source
2015
bushfireModerate

A bushfire near Kojonup threatened several properties and required the evacuation of residents.

Source
2019
heatwaveModerate

Kojonup experienced a prolonged heatwave with temperatures exceeding 40°C for several days.

Source
2022
floodMinor

Localized flooding occurred in Kojonup following a period of heavy rainfall.

Source

Climate Outlook to 2050

Projections based on CSIRO and BOM climate modelling. Scenario: RCP4.5

HazardToday2030205020302050
flood4.04.2(+0.2)4.4(+0.4)4.3(+0.3)4.6(+0.6)
bushfire7.07.4(+0.4)7.7(+0.7)7.6(+0.6)8.0(+1.0)
heat5.05.3(+0.3)5.6(+0.6)5.5(+0.5)5.9(+0.9)
coastal1.01.01.01.01.0

Under a moderate emissions scenario, Kojonup is projected to experience a slight increase in overall climate risk, with bushfire risk increasing more than flood and heat risk.

CSIRO Climate Projections

Adaptation Recommendations

Improve Flood Defenses

Near-term

Upgrade drainage infrastructure and implement flood control measures to reduce the impact of flooding.

Est. cost: Medium

Learn more

Enhance Bushfire Preparedness

Immediate

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

Est. cost: Medium

Learn more

Develop Heat Action Plan

Near-term

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

Est. cost: Low

Learn more

Promote Water Conservation

Long-term

Encourage water conservation practices to reduce water stress during periods of drought and heat.

Est. cost: Low

Learn more

About Kojonup's Climate Risk Profile

Kojonup, located in the Great Southern region of Western Australia, is vulnerable to several climate-related risks. The Blackwood River and surrounding creeks pose a flood risk during periods of heavy rainfall. Climate change is expected to increase rainfall intensity, potentially leading to more frequent and severe flooding events.

The region is also susceptible to bushfires, particularly during the hot, dry summer months. The extensive bushland surrounding Kojonup provides ample fuel for fires, and climate change is projected to increase the frequency and severity of bushfire conditions.

Heatwaves are another concern for Kojonup, with temperatures often exceeding 40°C during summer. Climate change is expected to increase the frequency and intensity of heatwaves, posing a risk to vulnerable populations.

While Kojonup is not directly exposed to coastal hazards, the broader region may experience indirect impacts from sea level rise and coastal erosion. It is important for residents to stay informed about climate risks and take steps to prepare for extreme weather events.

Data sources: BOM · CSIRO · DFES

Local Government Resources

Frequently Asked Questions

What are the main climate change risks in Kojonup?

The main climate change risks in Kojonup are increased flooding, more frequent and intense bushfires, and more severe heatwaves.

How will climate change affect property values in Kojonup?

Properties in areas prone to flooding or bushfires may experience a decrease in value due to increased risk.

What is the local council doing to address climate change?

The Shire of Kojonup is developing and implementing strategies to mitigate and adapt to the impacts of climate change, including improving flood defenses and enhancing bushfire preparedness.

How can I prepare my home for a bushfire in Kojonup?

You can prepare your home for a bushfire by clearing vegetation around your property, installing a fire sprinkler system, and having a bushfire survival plan.

Where can I find information about flood risks in Kojonup?

You can find information about flood risks in Kojonup on the Department of Water and Environmental Regulation website and the Shire of Kojonup website.

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