Climate Risk in Nannup, Western Australia

Nannup, Western Australia· UNKNOWN
Medium Risk
Updated Mar 2026

Nannup faces moderate climate risks, primarily from flooding and bushfires. Increasing temperatures and changing rainfall patterns are expected to exacerbate these risks in the future. Residents should prepare for more frequent extreme weather events.

Overall Risk Score

5.8/10
Medium

Confidence: Medium

Hazard Breakdown

Flood
6.5
Bushfire
7.0
Heat
5.0
Coastal
1.5

Detailed Hazard Analysis

heat Risk

5.0/10

Nannup experiences moderate heat risk, with increasing average temperatures and more frequent heatwaves. This can impact vulnerable populations and infrastructure.

Primary Drivers

  • ·Rising average temperatures
  • ·Increased frequency of heatwaves
  • ·Urban heat island effect

Projections (RCP8.5)

2030

5.5

2050

6.0

Data source

flood Risk

6.5/10

Nannup faces a moderate risk of flooding due to its proximity to the Blackwood River and other waterways. Heavy rainfall events can lead to riverine flooding, impacting low-lying areas and infrastructure.

Primary Drivers

  • ·Increased rainfall intensity
  • ·Riverine overflow
  • ·Inadequate drainage

Projections (RCP8.5)

2030

7.0

2050

7.5

Data source

coastal Risk

1.5/10

Nannup is located inland and has a very low risk of coastal hazards such as sea level rise and coastal erosion.

Primary Drivers

  • ·Distance from coast

Projections (RCP8.5)

2030

1.5

2050

1.5

Data source

bushfire Risk

7.0/10

Nannup is located in a region with a high bushfire risk due to the surrounding forests and dry conditions during summer. Increased temperatures and prolonged droughts exacerbate the risk.

Primary Drivers

  • ·Dry vegetation
  • ·High temperatures
  • ·Strong winds

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 flood-prone or bushfire-prone areas may experience a decrease in value.

Buyer Checklist

  • 1.Check flood maps and bushfire prone area designations.
  • 2.Assess property's vulnerability to flooding and bushfires.
  • 3.Inquire about insurance costs and coverage.
  • 4.Consider the long-term impacts of climate change on property value.

Local Climate Evidence

Flood Evidence

Nearest Waterway
Blackwood River
Elevation Range
150-200m
Flood Zone
Areas adjacent to the Blackwood River

Historical flood data indicates that the Blackwood River has a history of flooding in Nannup, particularly after heavy rainfall events.

View council flood map

Bushfire Evidence

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

Nannup is located within a designated bushfire prone area, requiring specific building standards and fire management practices.

Heat Evidence

Avg January Max Temp
32°C
Heat Stress Days/Year
3 days

The average maximum temperature in January is increasing, leading to more frequent and intense heat stress events.

Coastal Evidence

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

Historical Climate Events

2013
floodModerate

Heavy rainfall caused the Blackwood River to flood, impacting low-lying areas in Nannup.

Source
2016
bushfireModerate

A bushfire near Nannup threatened properties and required emergency response efforts.

Source
2019
heatwaveModerate

Nannup experienced a prolonged heatwave with record-breaking temperatures, impacting public health.

Source
2022
floodMinor

Minor flooding occurred along the Blackwood River after a period of heavy rainfall.

Source

Climate Outlook to 2050

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

HazardToday2030205020302050
flood6.56.9(+0.4)7.2(+0.7)7.1(+0.6)7.7(+1.2)
bushfire7.07.5(+0.5)7.8(+0.8)7.7(+0.7)8.3(+1.3)
heat5.05.2(+0.2)5.4(+0.4)5.3(+0.3)5.6(+0.6)
coastal1.51.51.51.51.5

Under a moderate emissions scenario, Nannup is projected to experience a slight increase in overall climate risk, with notable increases in flood and bushfire risk.

CSIRO Climate Projections

Adaptation Recommendations

Improve Flood Defenses

Near-term

Invest in flood barriers, levees, and improved drainage systems to protect properties from flooding.

Est. cost: High

Learn more

Enhance Bushfire Preparedness

Immediate

Implement bushfire mitigation strategies, including vegetation management, fire breaks, and community education programs.

Est. cost: Medium

Learn more

Develop Heat Action Plans

Near-term

Create heat action plans to protect vulnerable populations during heatwaves, including cooling centers and public awareness campaigns.

Est. cost: Low

Learn more

Strengthen Emergency Response

Immediate

Improve emergency response capabilities to effectively manage and respond to climate-related disasters.

Est. cost: Medium

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 Nannup's Climate Risk Profile

Nannup, located in the southwest of Western Australia, is increasingly vulnerable to the impacts of climate change. The primary risks include flooding from the Blackwood River and its tributaries, as well as bushfires due to the surrounding forested areas. Rising temperatures and altered rainfall patterns are contributing to these increased risks.

Flooding events are expected to become more frequent and intense due to increased rainfall intensity. This poses a threat to low-lying areas, infrastructure, and residential properties. Effective flood management strategies and improved drainage systems are crucial for mitigating these impacts.

Bushfire risk is also a significant concern, with hotter and drier conditions creating a more conducive environment for fires to start and spread. The surrounding forests provide ample fuel, and strong winds can quickly escalate fire events. Residents need to be prepared and aware of bushfire safety measures.

Heatwaves are becoming more common, posing health risks to vulnerable populations, particularly the elderly and those with pre-existing conditions. Ensuring access to cooling centers and promoting heat-safe practices are important adaptation measures.

While coastal risks are minimal due to Nannup's inland location, the broader region is still affected by climate change. Addressing these challenges requires a coordinated effort from local government, community organizations, and individual residents.

Data sources: BOM · CSIRO · DFES

Local Government Resources

Frequently Asked Questions

What are the main climate risks in Nannup?

The main climate risks in Nannup are flooding from the Blackwood River and bushfires due to the surrounding forests. Heatwaves are also becoming more frequent.

How is climate change expected to impact Nannup in the future?

Climate change is expected to increase the frequency and intensity of flooding and bushfires in Nannup. Temperatures are also projected to rise, leading to more frequent heatwaves.

What can residents do to prepare for climate change in Nannup?

Residents can prepare by improving flood defenses, enhancing bushfire preparedness, developing heat action plans, and strengthening emergency response capabilities.

Where can I find more information about climate change in Nannup?

You can find more information on the Nannup Shire Council website, the Department of Fire and Emergency Services website, and the Bureau of Meteorology website.

What is the council doing to address climate change?

The Nannup Shire Council is developing climate adaptation strategies and working to reduce greenhouse gas emissions. They are also working to improve community resilience to climate-related disasters.

Are there any specific areas in Nannup that are more at risk from flooding?

Yes, areas adjacent to the Blackwood River are particularly vulnerable to flooding during periods of heavy rainfall.

Get a Property-Specific Report

This suburb assessment covers the area. For a precise address-level climate risk report for any specific property in Nannup, use our analysis tool.

Analyse Your Property Now

Enter your address below for an instant climate risk assessment covering flood, bushfire, and sea level rise and more.

Free instant preview · Full report from A$69 · Australian addresses only