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Climate Risk in Barmera, SA

Barmera, South Australia
Medium Risk
Updated Apr 2026

Barmera faces moderate climate risks, primarily related to heatwaves and flooding. The town's inland location mitigates coastal risks, but rising temperatures and potential for increased rainfall intensity pose challenges. Residents should prepare for more frequent and intense heat events.

Overall Risk Score

52/100
Medium

Confidence: Medium

Hazard Breakdown

Flood
4.5
Bushfire
3.0
Heat
7.0
Coastal
1.0

Climate Hazard Breakdown for Barmera

stable

Flood

45/100

Barmera faces a moderate risk of flooding, primarily from heavy rainfall events and potential backflow from Lake Bonney. The flat terrain around the lake increases the potential for widespread inundation.

Key drivers:

  • ·Heavy rainfall
  • ·Lake levels
increasing

Bushfire

30/100

The risk of bushfire in Barmera is relatively low compared to other regions in South Australia, but still present due to surrounding scrubland and dry vegetation during the summer months.

Key drivers:

  • ·Dry vegetation
  • ·High temperatures
increasing

Heat

70/100

Barmera experiences high temperatures during summer, leading to a significant risk of heatwaves and heat stress for vulnerable populations. Climate change is expected to exacerbate these conditions.

Key drivers:

  • ·Rising temperatures
  • ·Climate change
stable

Coastal

10/100

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

stable

Wind

28/100

Moderate wind risk — gusty northerly winds

stable

Storm

24/100

Moderate storm risk — occasional thunderstorms

stable

Social

21/100

Moderate social stability

increasing

Energy

35/100

Moderate energy costs — summer cooling

In-Depth Climate Risk Guides for Barmera

Should I Buy

Property buying guide with climate risk assessment

Flood Risk

Flood zone mapping, historical events, and projections

Bushfire Risk

BAL assessment, vegetation proximity, and fire history

Climate Safety

Multi-hazard safety assessment to 2050

Storm Risk

Severe weather, hail, and wind risk analysis

Heat Risk

Extreme heat days, urban heat island, and cooling costs

Insurance Costs

Premium estimates and insurance availability

Investment Score

Climate-adjusted property investment analysis

Detailed Hazard Analysis

heat Risk

70/100

Barmera experiences high temperatures during summer, leading to a significant risk of heatwaves and heat stress for vulnerable populations. Climate change is expected to exacerbate these conditions.

Primary Drivers

  • ·Rising temperatures
  • ·Climate change
  • ·Urban heat island effect

Projections (RCP6.0)

2030

7.5

2050

8.0

Data source

flood Risk

45/100

Barmera faces a moderate risk of flooding, primarily from heavy rainfall events and potential backflow from Lake Bonney. The flat terrain around the lake increases the potential for widespread inundation.

Primary Drivers

  • ·Heavy rainfall
  • ·Lake levels
  • ·Flat topography

Projections (RCP6.0)

2030

4.7

2050

5.0

Data source

coastal Risk

10/100

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

Projections (RCP6.0)

2030

1.0

2050

1.0

Data source

bushfire Risk

30/100

The risk of bushfire in Barmera is relatively low compared to other regions in South Australia, but still present due to surrounding scrubland and dry vegetation during the summer months.

Primary Drivers

  • ·Dry vegetation
  • ·High temperatures
  • ·Wind

Projections (RCP6.0)

2030

3.3

2050

3.6

Data source

What This Means for Property Owners

Insurance Outlook

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

Price Impact

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

Buyer Checklist

  • 1.Check flood maps and insurance costs.
  • 2.Assess the property's vulnerability to heatwaves.
  • 3.Inquire about local council's climate adaptation plans.

Local Climate Evidence

Flood Evidence

Nearest Waterway
Lake Bonney
Elevation Range
20-30m
Flood Zone
Areas adjacent to Lake Bonney are prone to flooding.

Local drainage systems are being upgraded to manage increased rainfall intensity.

View council flood map

Bushfire Evidence

Distance to Bushland
5km
Planning Overlay
CFS Bushfire Prone Area Map
Bushfire Prone Area
Yes

Residents are advised to maintain firebreaks and clear vegetation around their properties.

Heat Evidence

Avg January Max Temp
33.5°C
Heat Stress Days/Year
5 days

The local council operates cooling centers during heatwave events.

Coastal Evidence

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

Historical Climate Events

2019
heatwaveModerate

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

Source
2016
floodMinor

Heavy rainfall caused localized flooding in low-lying areas of Barmera.

Source
2009
heatwaveModerate

A severe heatwave affected Barmera, leading to increased demand for emergency services.

Source
2007
droughtModerate

Prolonged drought conditions impacted agricultural production in the Barmera region.

Source

Climate Outlook to 2050

Projections based on CSIRO and BOM climate modelling. Scenario: RCP6.0

HazardToday20302050
flood454.7(+0.2)5.0(+0.5)
bushfire303.1(+0.1)3.3(+0.3)
heat707.7(+0.7)8.5(+1.5)
coastal101.01.0

By 2030, Barmera is projected to experience a notable increase in heatwave frequency and intensity. Flood risk may also slightly increase due to more intense rainfall events. Bushfire risk will also see a slight increase. Coastal risks remain negligible.

CSIRO Climate Projections

Adaptation Recommendations

Develop a heatwave management plan

Immediate

Implement strategies to protect vulnerable populations during heatwaves, such as establishing cooling centers and providing public awareness campaigns.

Est. cost: Low

Learn more

Upgrade stormwater drainage infrastructure

Near-term

Improve the capacity of stormwater drainage systems to handle increased rainfall intensity and reduce the risk of flooding.

Est. cost: Medium

Learn more

Promote water conservation measures

Long-term

Encourage residents and businesses to adopt water-saving practices to mitigate the impacts of drought and water scarcity.

Est. cost: Low

Learn more

Implement bushfire prevention strategies

Near-term

Maintain firebreaks, clear vegetation around properties, and educate residents about bushfire safety.

Est. cost: Low

Learn more

About Barmera's Climate Risk Profile

Barmera, located in the Riverland region of South Australia, is particularly vulnerable to heatwaves during the summer months. The region experiences consistently high temperatures, and climate change is projected to further increase the frequency and intensity of these events. This poses a significant risk to vulnerable populations, including the elderly and those with pre-existing health conditions.

Flooding is another concern for Barmera, primarily due to its proximity to Lake Bonney and the flat surrounding terrain. Heavy rainfall events can lead to localized flooding, and there is a risk of backflow from the lake during periods of high water levels. Effective stormwater management and flood mitigation strategies are essential to protect properties and infrastructure.

While Barmera is not directly exposed to coastal risks, the broader impacts of climate change, such as disruptions to agricultural production and water resources, could have significant economic and social consequences for the region.

Adapting to these challenges will require a coordinated effort involving local government, community organizations, and individual residents. This includes implementing measures to reduce greenhouse gas emissions, improving infrastructure resilience, and raising awareness about climate risks and adaptation strategies.

Data sources: BOM · CSIRO · SA SES · Berri Barmera Council

Local Government Resources

Berri Barmera Council

Climate StrategyFlood MapsEmergency Services

Frequently Asked Questions

What are the main climate change risks in Barmera?

The main climate change risks in Barmera are heatwaves, flooding, and drought. Rising temperatures and changes in rainfall patterns are expected to exacerbate these risks.

How can I prepare for heatwaves in Barmera?

Stay indoors during the hottest part of the day, drink plenty of water, and check on vulnerable neighbors. The local council operates cooling centers during heatwave events.

What is the council doing to address climate change?

The Berri Barmera Council is developing a climate adaptation strategy to address the risks posed by climate change. This includes upgrading stormwater drainage infrastructure and promoting water conservation measures.

Is my property at risk of flooding in Barmera?

Properties located near Lake Bonney or in low-lying areas are at a higher risk of flooding. Check the council's flood maps for more information.

How will climate change affect agriculture in the Barmera region?

Climate change is expected to impact agricultural production in the Barmera region through increased temperatures, changes in rainfall patterns, and increased risk of drought. Farmers may need to adapt their practices to cope with these changes.

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