Climate Risk Assessment for Mullumbimby Creek, NSW

Mullumbimby Creek, New South Wales
Medium Risk
Updated May 2026

Mullumbimby Creek faces increasing risks from flooding, bushfires, and heatwaves due to climate change. While coastal risks are lower, the region should prepare for potential indirect impacts. Residents should stay informed and take steps to adapt to these changing conditions.

Overall Risk Score

58/100
Medium

Confidence: Medium

Hazard Breakdown

Flood
7.0
Bushfire
6.0
Heat
5.0
Coastal
2.0

Climate Hazard Breakdown for Mullumbimby Creek

increasing

Flood

70/100

Mullumbimby Creek faces a notable risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood risk.

Key drivers:

  • ·Increased rainfall intensity
  • ·Sea level rise
increasing

Bushfire

60/100

The area surrounding Mullumbimby Creek has a moderate bushfire risk due to the presence of bushland. Drier conditions and higher temperatures are expected to increase the frequency and intensity of bushfires.

Key drivers:

  • ·Increased temperatures
  • ·Drier conditions
increasing

Heat

50/100

Mullumbimby Creek is likely to experience more frequent and intense heatwaves. Higher average temperatures can pose health risks, especially for vulnerable populations.

Key drivers:

  • ·Increased greenhouse gas emissions
  • ·Urban heat island effect
increasing

Coastal

20/100

Coastal risks are relatively low for Mullumbimby Creek due to its inland location. However, sea level rise could indirectly affect the region through changes in weather patterns.

Key drivers:

  • ·Sea level rise
  • ·Storm surge
stable

Wind

28/100

Moderate wind risk — East Coast Lows and gust fronts

stable

Storm

39/100

Moderate storm risk — severe thunderstorms and hail

stable

Social

21/100

Moderate social stability — mixed urban density

increasing

Energy

35/100

Moderate energy costs — climate-driven cooling demand

In-Depth Climate Risk Guides for Mullumbimby Creek

Detailed Hazard Analysis

heat Risk

50/100

Mullumbimby Creek is likely to experience more frequent and intense heatwaves. Higher average temperatures can pose health risks, especially for vulnerable populations.

Primary Drivers

  • ·Increased greenhouse gas emissions
  • ·Urban heat island effect

Projections (RCP8.5)

2030

5.5

2050

6.0

Data source

flood Risk

70/100

Mullumbimby Creek faces a notable risk of flooding due to its proximity to waterways and low-lying areas. Climate change is expected to increase rainfall intensity, exacerbating flood risk.

Primary Drivers

  • ·Increased rainfall intensity
  • ·Sea level rise
  • ·Urban development

Projections (RCP8.5)

2030

7.5

2050

8.0

Data source

coastal Risk

20/100

Coastal risks are relatively low for Mullumbimby Creek due to its inland location. However, sea level rise could indirectly affect the region through changes in weather patterns.

Primary Drivers

  • ·Sea level rise
  • ·Storm surge

Projections (RCP8.5)

2030

2.2

2050

2.5

Data source

bushfire Risk

60/100

The area surrounding Mullumbimby Creek has a moderate bushfire risk due to the presence of bushland. Drier conditions and higher temperatures are expected to increase the frequency and intensity of bushfires.

Primary Drivers

  • ·Increased temperatures
  • ·Drier conditions
  • ·Vegetation dryness

Projections (RCP8.5)

2030

6.5

2050

7.0

Data source

What This Means for Property Owners

Insurance Outlook

Insurance premiums are likely to increase due to the rising risks of flooding and bushfires.

Price Impact

Properties in high-risk 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.Obtain insurance quotes and understand coverage.
  • 4.Consider the long-term impacts of climate change on property value.

Local Climate Evidence

Flood Evidence

Nearest Waterway
Mullumbimby Creek
Elevation Range
10-30 meters
Flood Zone
Likely to be within a flood zone

Historical flood data indicates inundation in low-lying areas near the creek.

View council flood map

Bushfire Evidence

Distance to Bushland
Adjacent to bushland
Planning Overlay
RFS Bush Fire Prone Land Map
Bushfire Prone Area
Yes

The area has a history of bushfire activity, particularly during dry seasons.

Heat Evidence

Avg January Max Temp
30.5°C
Heat Stress Days/Year
3 days

Average temperatures are expected to increase, leading to more frequent heat stress events.

Coastal Evidence

Distance to Coast
5 km
Sea Level Rise Exposure
Low
Erosion Risk
Low

Historical Climate Events

2022
floodMajor

Severe flooding impacted Mullumbimby Creek, causing widespread damage and displacement.

Source
2019
bushfireModerate

Bushfires threatened the area, leading to evacuations and property damage.

Source
2017
floodModerate

Heavy rainfall caused flooding in low-lying areas, disrupting transportation and damaging property.

Source
2013
heatwaveModerate

Prolonged heatwave conditions led to heat stress and health concerns.

Source

Climate Outlook to 2050

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

HazardToday2030205020302050
flood707.4(+0.4)7.7(+0.7)7.6(+0.6)8.1(+1.1)
bushfire606.3(+0.3)6.6(+0.6)6.5(+0.5)7.0(+1.0)
heat505.2(+0.2)5.4(+0.4)5.4(+0.4)5.7(+0.7)
coastal202.1(+0.1)2.2(+0.2)2.2(+0.2)2.3(+0.3)

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

CSIRO Climate Projections

Adaptation Recommendations

Improve Flood Defenses

Near-term

Construct levees and improve drainage systems to reduce flood risk.

Est. cost: High

Learn more

Enhance Bushfire Preparedness

Immediate

Implement bushfire management plans and conduct community education programs.

Est. cost: Medium

Learn more

Develop Heat Action Plans

Near-term

Establish cooling centers and provide heatwave early warning systems.

Est. cost: Low

Learn more

Strengthen Building Codes

Long-term

Update building codes to incorporate climate resilience measures, such as flood-resistant materials and bushfire protection.

Est. cost: Medium

Learn more

Community Awareness Programs

Immediate

Educate residents about climate risks and adaptation strategies.

Est. cost: Low

Learn more

About Mullumbimby Creek's Climate Risk Profile

Mullumbimby Creek, located in New South Wales, is increasingly vulnerable to the impacts of climate change. The primary risks include flooding, bushfires, and heatwaves, with potential indirect effects from coastal changes.

Flooding is a significant concern due to the suburb's proximity to waterways. Increased rainfall intensity, driven by climate change, is expected to exacerbate flood risks. Residents should be aware of flood warnings and have evacuation plans in place.

Bushfire risk is also increasing due to drier conditions and higher temperatures. The presence of surrounding bushland makes the area susceptible to bushfires, particularly during the fire season. Property owners should maintain their properties and be prepared to defend or evacuate their homes.

Heatwaves are becoming more frequent and intense, posing health risks to vulnerable populations. Residents should take precautions during heatwaves, such as staying hydrated and seeking air-conditioned environments.

While Mullumbimby Creek is not directly on the coast, sea level rise and changes in weather patterns could indirectly affect the region. It is important to monitor these changes and adapt accordingly.

Data sources: BOM · CSIRO · NSW RFS · NSW SES · Byron Shire Council

Local Government Resources

Frequently Asked Questions

What are the main climate change risks for Mullumbimby Creek?

The main climate change risks for Mullumbimby Creek are flooding, bushfires, and heatwaves. These risks are expected to increase in the future due to climate change.

How will climate change affect property values in Mullumbimby Creek?

Climate change may negatively affect property values in high-risk areas, particularly those prone to flooding or bushfires. Properties with climate resilience measures may be more attractive to buyers.

What can I do to protect my home from flooding?

You can protect your home from flooding by elevating it, installing flood barriers, improving drainage, and purchasing flood insurance.

How can I prepare my property for bushfires?

You can prepare your property for bushfires by clearing vegetation, maintaining gutters, installing fire-resistant materials, and having a bushfire survival plan.

What should I do during a heatwave?

During a heatwave, you should stay hydrated, seek air-conditioned environments, avoid strenuous activities, and check on vulnerable neighbors.

Where can I find information about local emergency services?

Information about local emergency services can be found on the NSW Emergency Services website.

Get your property's risk report

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

Check Your flood Risk Now

Check Mullumbimby Creek's specific flood risk and see how it compares to nearby suburbs. Enter your address for an instant risk assessment.

Free instant previewCSIRO-powered data

What A$69 could save you from

$7.2B
2022 insured disaster losses*
$300B+
climate risk to property by 2050*
30-120%
insurance premium increases in high-risk areas*

*Industry sources: ICA, APRA, RBA

Full report from A$69 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections