Heat Risk in Monterey, NSW: 2026 Assessment
Heat Risk Score
7.0/10Monterey experiences a high risk of heatwaves, particularly during the summer months. Urban heat island effect can exacerbate temperatures, posing health risks to vulnerable populations.
Key Facts
- Heat Risk
- Monterey experiences a high risk of heatwaves, particularly during the summer months. Urban heat island effect can exacerbate temperatures, posing health risks to vulnerable populations.
- Trend
- increasing
- Suburb
- Monterey, NSW
- Overall Risk
- Medium
- Postcode
- 2217
- Highest high-risk exposure
- 13% of land (surface flood)
Heat Risk Analysis
Monterey in New South Wales faces elevated extreme heat risk. The Bureau of Meteorology (BOM) reports that Australia's average temperature has increased by approximately 1.5 °C since 1910, with the frequency of extreme heat days rising across most regions.
The urban heat island (UHI) effect can make built-up areas of Monterey warmer than surrounding rural areas, particularly on summer nights. Dark roof materials, limited tree canopy cover, and heat-absorbing surfaces contribute to localised heat stress that varies by property.
The suburb experiences several days above 35°C during summer, increasing the risk of heat stress.
Get an address-level heat risk assessment from ClimateNest for Monterey including cooling cost estimates, heatwave vulnerability scoring, and adaptation recommendations tailored to your property.
Monterey (postcode 2217) is tracked in ClimateNest's suburb hazard model, which maps the share of the suburb's land exposed to each hazard at high and moderate levels. The suburb's highest high-risk exposures are surface flood (13% of land in high-risk zones), bushfire (12.2% of land in high-risk zones), riverine flood (7.3% of land in high-risk zones). Exposure is not uniform across Monterey — individual properties can sit well above or below these averages, so an address-level check is recommended before buying, selling or insuring.
Local Hazard Evidence
Historical Events
A prolonged heatwave in January resulted in increased hospital admissions and strain on emergency services.
Adaptation & Mitigation Actions
Improve stormwater drainage
Near-termUpgrade stormwater drainage infrastructure to reduce the risk of flooding during heavy rainfall events.
Est. cost: Medium
Increase green space
Near-termPlant more trees and create green spaces to reduce the urban heat island effect and provide shade during heatwaves.
Est. cost: Medium
Strengthen coastal defenses
Long-termImplement coastal protection measures, such as seawalls and beach nourishment, to reduce the risk of coastal erosion and inundation.
Est. cost: High
Develop a heatwave response plan
ImmediateCreate a community heatwave response plan to protect vulnerable residents during extreme heat events.
Est. cost: Low
Raise awareness of climate risks
ImmediateEducate residents about the risks of climate change and how to prepare for extreme weather events.
Est. cost: Low
Council & Emergency Services
Explore Monterey Risk Reports
View other climate risk assessments for Monterey:
Frequently Asked Questions
How hot does Monterey get in summer?
Monterey in New South Wales experiences summer temperatures consistent with the regional climate. BOM publishes historical temperature data for weather stations near Monterey. Get a property-specific heat exposure assessment with projected cooling costs from ClimateNest.
Is extreme heat increasing in Monterey?
Australia-wide, extreme heat events have become more frequent since the mid-20th century, and this trend is consistent with CSIRO climate projections for New South Wales. Continued warming is likely through 2050 under all emissions scenarios.
How does heat affect energy costs for Monterey properties?
Higher temperatures increase cooling demand, which raises electricity costs. ClimateNest provides energy cost projections based on your property's specific exposure to extreme heat days in Monterey and the performance of your building envelope.
What heat mitigation measures work best in Monterey?
Effective heat mitigation includes light-coloured roofing (cool roofs), ceiling and wall insulation, double-glazed windows, external shading, cross-ventilation design, and increasing tree canopy around the property. These measures reduce indoor temperatures and cooling costs.
What share of Monterey is exposed to high surface flood risk?
ClimateNest's hazard overlay maps 13% of Monterey in high-risk zones for surface flood, with a further 76.6% in moderate-risk zones. Suburb-level exposure is not uniform — individual properties can differ from these averages, so an address-level check is recommended.
Is Monterey Safe from Climate Risk?
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