Climate Risk in Murwillumbah, NSW

Murwillumbah, New South Wales· Tweed Shire· 2484
High Risk
Updated Mar 2026

Murwillumbah faces significant climate risks, particularly from flooding and heatwaves. The town's location on the Tweed River makes it vulnerable to inundation during heavy rainfall events. Rising temperatures and more frequent heatwaves also pose a threat to public health.

Overall Risk Score

7.2/10
High

Confidence: High

Hazard Breakdown

Flood
8.5
Bushfire
5.5
Heat
6.8
Coastal
3.0

Detailed Hazard Analysis

heat Risk

6.8/10

Murwillumbah experiences hot summers, and the frequency and intensity of heatwaves are projected to increase. This can pose a risk to vulnerable populations, such as the elderly and those with chronic health conditions.

Primary Drivers

  • ·Rising global temperatures
  • ·Urban heat island effect

Projections (RCP8.5)

2030

7.2

2050

7.8

Data source

flood Risk

8.5/10

Murwillumbah is highly susceptible to flooding due to its location on the Tweed River and surrounding floodplain. Heavy rainfall events can cause the river to overflow, inundating residential and commercial areas.

Primary Drivers

  • ·Increased rainfall intensity
  • ·Sea level rise
  • ·Urban development reducing natural drainage

Projections (RCP8.5)

2030

8.8

2050

9.2

Data source

coastal Risk

3.0/10

Coastal risks are relatively low in Murwillumbah due to its inland location. However, sea level rise could potentially impact the lower reaches of the Tweed River, increasing the risk of tidal flooding.

Primary Drivers

  • ·Sea level rise
  • ·Increased storm surge

Projections (RCP8.5)

2030

3.3

2050

3.7

Data source

bushfire Risk

5.5/10

Bushfire risk in Murwillumbah is moderate, with areas of bushland surrounding the town. Hot, dry conditions and strong winds can increase the risk of bushfires spreading into residential areas.

Primary Drivers

  • ·Increased frequency of heatwaves
  • ·Drier vegetation
  • ·Changes in land management practices

Projections (RCP8.5)

2030

5.8

2050

6.2

Data source

What This Means for Property Owners

Insurance Outlook

Insurance premiums are likely to increase due to flood risk.

Price Impact

Properties in flood-prone areas may experience price reductions.

Buyer Checklist

  • 1.Check flood maps and historical flood data.
  • 2.Assess the property's elevation and drainage.
  • 3.Inquire about flood insurance options.
  • 4.Consider the property's proximity to bushland.
  • 5.Evaluate the property's energy efficiency for heatwave resilience.

Local Climate Evidence

Flood Evidence

Nearest Waterway
Tweed River
Elevation Range
5-15 meters
Flood Zone
Yes

The Tweed River regularly floods Murwillumbah, impacting businesses and residences.

View council flood map

Bushfire Evidence

Distance to Bushland
Adjacent to bushland areas
Planning Overlay
https://www.rfs.nsw.gov.au/plan-and-prepare/bush-fire-prone-land
Bushfire Prone Area
Yes

Areas surrounding Murwillumbah are designated as bushfire prone.

Heat Evidence

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

Murwillumbah experiences several days above 35°C each summer.

Coastal Evidence

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

Historical Climate Events

2022
floodMajor

Record-breaking floods inundated Murwillumbah, causing widespread damage and displacement.

Source
2017
floodModerate

Significant flooding occurred in Murwillumbah following heavy rainfall associated with ex-Tropical Cyclone Debbie.

Source
2019
bushfireModerate

Bushfires impacted areas surrounding Murwillumbah, causing smoke haze and some property damage.

Source
2013
floodModerate

Tweed River broke its banks causing moderate flooding in Murwillumbah.

Source

Climate Outlook to 2050

Projections based on CSIRO and BOM climate modelling. Scenario: RCP8.5

HazardToday20302050
flood8.58.8(+0.3)9.2(+0.7)
bushfire5.55.7(+0.2)6.0(+0.5)
heat6.87.5(+0.7)8.3(+1.5)
coastal3.03.1(+0.1)3.3(+0.3)

By 2030, Murwillumbah is projected to experience an increase in the frequency and intensity of heatwaves and flooding events. Bushfire risk will also increase slightly. Coastal risks remain relatively low.

CSIRO Climate Projections

Adaptation Recommendations

Improve Flood Defenses

Immediate

Invest in flood levees, drainage improvements, and early warning systems to reduce the impact of flooding.

Est. cost: High

Learn more

Develop Heatwave Preparedness Plans

Near-term

Implement heatwave early warning systems, establish cooling centers, and educate the public on how to stay safe during heatwaves.

Est. cost: Medium

Learn more

Strengthen Bushfire Resilience

Near-term

Implement bushfire hazard reduction programs, improve building codes for bushfire-prone areas, and educate residents on bushfire safety.

Est. cost: Medium

Learn more

Promote Sustainable Urban Planning

Long-term

Incorporate climate change considerations into urban planning decisions, such as promoting green infrastructure, reducing urban sprawl, and improving energy efficiency.

Est. cost: High

Learn more

About Murwillumbah's Climate Risk Profile

Murwillumbah, situated in the Tweed Valley of New South Wales, is a region known for its lush landscapes and agricultural significance. However, its geographical location also makes it susceptible to various climate-related hazards.

The primary concern for Murwillumbah is flooding. The town is located on the Tweed River floodplain, and historical records show a recurring pattern of inundation during periods of heavy rainfall. Climate change is projected to exacerbate this risk, with more intense rainfall events expected in the future.

Heatwaves are another growing concern. As global temperatures rise, Murwillumbah is likely to experience more frequent and severe heatwaves, posing a threat to vulnerable populations. The urban environment can also amplify the effects of heat, creating urban heat islands.

While coastal risks are relatively lower compared to flooding and heat, sea level rise could still have some impact on the lower reaches of the Tweed River, potentially increasing tidal flooding.

Addressing these climate risks will require a multi-faceted approach, including improved flood management strategies, heatwave preparedness plans, and sustainable urban planning practices.

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

Local Government Resources

Frequently Asked Questions

What are the main climate change risks for Murwillumbah?

The main climate change risks for Murwillumbah are flooding, heatwaves, and bushfires. The town is located on the Tweed River floodplain and is vulnerable to inundation during heavy rainfall events. Rising temperatures and more frequent heatwaves also pose a threat to public health, and areas surrounding Murwillumbah are bushfire prone.

How is the Tweed Shire Council addressing climate change?

The Tweed Shire Council is developing and implementing various strategies to address climate change, including flood management plans, heatwave preparedness plans, and sustainable urban planning initiatives. Refer to the council's website for more information.

What can I do to protect my property from flooding in Murwillumbah?

There are several steps you can take to protect your property from flooding, including elevating your home, installing flood barriers, improving drainage, and purchasing flood insurance. Consult with a qualified builder or engineer for advice specific to your property.

How can I prepare for heatwaves in Murwillumbah?

To prepare for heatwaves, stay hydrated, avoid strenuous activity during the hottest part of the day, seek out air-conditioned environments, and check on vulnerable neighbors and family members. Refer to the NSW Health website for more information.

What should I do if a bushfire threatens Murwillumbah?

If a bushfire threatens Murwillumbah, follow the advice of emergency services. Stay informed about the fire situation, evacuate if necessary, and have a bushfire survival plan in place. Refer to the NSW Rural Fire Service website for more information.

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