Climate Risk in Grafton, NSW

Grafton, New South Wales· UNKNOWN
High Risk
Updated Mar 2026

Grafton faces significant climate risks, particularly from flooding and heatwaves. Climate change is expected to exacerbate these risks, potentially impacting property values and community well-being. Residents should prepare for more frequent and intense extreme weather events.

Overall Risk Score

7.2/10
High

Confidence: Medium

Hazard Breakdown

Flood
8.5
Bushfire
6.0
Heat
7.0
Coastal
2.0

Detailed Hazard Analysis

heat Risk

7.0/10

Grafton experiences hot summers, and climate change is expected to increase the frequency and intensity of heatwaves, posing a risk to vulnerable populations.

Primary Drivers

  • ·Increased temperatures
  • ·More frequent heatwaves
  • ·Urban heat island effect

Projections (RCP8.5)

2030

7.4

2050

7.8

Data source

flood Risk

8.5/10

Grafton is highly susceptible to flooding due to its location on the Clarence River floodplain. Climate change is expected to increase the frequency and intensity of heavy rainfall events, exacerbating flood risk.

Primary Drivers

  • ·Increased rainfall intensity
  • ·Sea level rise
  • ·Riverine flooding

Projections (RCP8.5)

2030

8.8

2050

9.2

Data source

coastal Risk

2.0/10

Grafton is located inland and is not directly exposed to coastal hazards such as sea level rise and coastal erosion. However, changes in rainfall patterns and river flows could indirectly affect the region.

Primary Drivers

  • ·Sea level rise (indirect)
  • ·Changes in river flows

Projections (RCP8.5)

2030

2.1

2050

2.2

Data source

bushfire Risk

6.0/10

Areas surrounding Grafton are prone to bushfires, particularly during dry periods. Climate change is projected to increase the length and severity of fire seasons, increasing bushfire risk.

Primary Drivers

  • ·Increased temperatures
  • ·Drier conditions
  • ·Increased fuel load

Projections (RCP8.5)

2030

6.3

2050

6.7

Data source

What This Means for Property Owners

Insurance Outlook

Increased premiums and potential difficulty obtaining coverage in high-risk areas.

Price Impact

Potential for decreased property values in flood-prone areas.

Buyer Checklist

  • 1.Check flood maps and historical flood data.
  • 2.Assess bushfire risk and implement mitigation measures.
  • 3.Consider the impact of heatwaves on property comfort and energy costs.
  • 4.Review insurance coverage and potential premium increases.

Local Climate Evidence

Flood Evidence

Nearest Waterway
Clarence River
Elevation Range
5-15 meters
Flood Zone
High Risk

Grafton has a long history of flooding events due to its location on the Clarence River floodplain. The council maintains flood maps and implements flood mitigation strategies.

View council flood map

Bushfire Evidence

Distance to Bushland
Adjacent to bushland areas
Planning Overlay
Bushfire Prone Area
Bushfire Prone Area
Yes

Areas surrounding Grafton are designated as bushfire prone, requiring specific building standards and land management practices.

Heat Evidence

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

Grafton experiences hot summers, with average maximum temperatures in January exceeding 30 degrees Celsius. Heatwaves can pose a significant health risk.

Coastal Evidence

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

Historical Climate Events

2013
floodModerate

Significant flooding occurred in Grafton due to heavy rainfall, causing damage to homes and businesses.

Source
2019
bushfireModerate

Bushfires impacted areas surrounding Grafton, leading to evacuations and property damage.

Source
2017
heatwaveModerate

Grafton experienced a prolonged heatwave with record-breaking temperatures, placing strain on infrastructure and public health services.

Source
2022
floodMajor

Severe flooding along the Clarence River inundated parts of Grafton, causing widespread damage and displacement.

Source

Climate Outlook to 2050

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

HazardToday20302050
flood8.58.8(+0.3)9.1(+0.6)
bushfire6.06.2(+0.2)6.4(+0.4)
heat7.07.7(+0.7)8.5(+1.5)
coastal2.02.02.1(+0.1)

By 2030, Grafton is projected to experience more frequent and intense heatwaves, as well as an increased risk of flooding. Bushfire risk is also expected to rise slightly.

CSIRO Climate Projections

Adaptation Recommendations

Upgrade Flood Defenses

Immediate

Invest in infrastructure to protect against flooding, such as levees and improved drainage systems.

Est. cost: High

Learn more

Implement Bushfire Management Strategies

Near-term

Reduce fuel loads and improve firebreaks to protect properties from bushfires.

Est. cost: Medium

Learn more

Develop Heatwave Preparedness Plans

Immediate

Establish cooling centers and provide support to vulnerable populations during heatwaves.

Est. cost: Low

Learn more

Promote Water Conservation

Long-term

Encourage water-saving practices to reduce the impact of droughts and water scarcity.

Est. cost: Low

Learn more

About Grafton's Climate Risk Profile

Grafton, located in the Clarence Valley of New South Wales, is a region with a rich history and a vibrant community. However, like many areas in Australia, Grafton is increasingly vulnerable to the impacts of climate change. The primary risks include flooding due to its location on the Clarence River floodplain, increased bushfire risk in surrounding areas, and more frequent and intense heatwaves.

The Clarence River has a history of flooding, and climate change is projected to increase the intensity and frequency of heavy rainfall events, leading to more severe flooding in Grafton. This poses a significant threat to homes, businesses, and infrastructure. Bushfire risk is also increasing due to hotter, drier conditions and longer fire seasons.

Heatwaves are becoming more common and intense, posing a health risk to vulnerable populations, such as the elderly and those with chronic illnesses. The combination of these factors makes it crucial for residents and local authorities to take proactive measures to adapt to the changing climate.

Addressing these challenges requires a multi-faceted approach, including investing in flood mitigation infrastructure, implementing bushfire management strategies, and developing heatwave preparedness plans. Community engagement and education are also essential to ensure that residents are aware of the risks and know how to protect themselves and their properties. By taking action now, Grafton can build resilience and ensure a sustainable future for its community.

Data sources: BOM · CSIRO · NSW RFS · Clarence Valley Council

Local Government Resources

Frequently Asked Questions

What are the main climate change risks in Grafton?

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

How can I protect my property from flooding in Grafton?

You can protect your property from flooding by elevating your home, installing flood barriers, and ensuring that your property is properly insured.

What should I do during a heatwave in Grafton?

During a heatwave, stay indoors in air-conditioned environments, drink plenty of water, and avoid strenuous activities. Check on vulnerable neighbors and family members.

How can I prepare for bushfires in Grafton?

Prepare for bushfires by clearing vegetation around your home, creating a bushfire survival plan, and having an emergency kit ready.

What is the Clarence Valley Council doing to address climate change?

The Clarence Valley Council is implementing various strategies to address climate change, including investing in flood mitigation infrastructure, promoting sustainable development, and reducing greenhouse gas emissions.

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