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Calgary is projected to face significant climate hazards, especially the increase in frequency and intensity of heatwaves. These extreme heat events may lead to serious health consequences for vulnerable populations, such as the elderly and those with preexisting conditions. The city’s infrastructure is likely to experience stress due to sustained high temperatures, potentially disrupting essential services and increasing energy demands for cooling. Furthermore, as the climate continues to change, the city might encounter challenges related to water supply and quality, driven by higher evaporation rates and shifting precipitation patterns. The compounded effects of these hazards imply that Calgary will experience a future marked by increased heat-related risks, which will affect public health, urban infrastructure, and resource management. As such, these vulnerabilities need to be addressed comprehensively in future planning efforts.

Hazard Outlook

How will Calgary's projected climate hazards compare to other cities under a 3.0°C future warming scenario?

Longest Heatwave

30th percentile Moderate exposure

Calgary may experience heatwaves lasting up to 4 days, near the median of other cities.

Calgary
0.0 Shorter → Longer 92

Heavy Rainfall Days

31st percentile Moderate exposure

With 10 days of heavy rainfall expected, Calgary ranks near the median of cities for extreme precipitation events.

Calgary
0.0 Fewer → More 36

Maximum Temperature

13th percentile Lower exposure

Calgary's projected maximum temperature of 8.0°C is lower than most cities globally under a 3.0°C warming scenario.

Calgary
5.0 Cooler → Hotter 13

Maximum Rainfall

16th percentile Lower exposure

Calgary's projected maximum rainfall of 6 mm is lower than most cities globally.

Calgary
0.0 Lower → Higher 35

Elevation

91st percentile Lower exposure

At 1051 m elevation, Calgary faces lower risk from coastal flooding and sea level rise.

Calgary
-8.0 Lower → Higher 4k

Exposure Summary

Heatwave
Heavy Rain
Max Temp
Max Rain
Elevation

Adaptation Priorities

Calgary shows moderate or lower exposure across measured climate hazards.

Data source: Climate projections from the IPCC AR6 scenario analysis. See our methodology for details on how we process and interpret this data.

Deployed Solutions

Deployed climate adaptation technologies identified in Calgary.

No solutions have been documented for Calgary.

This is an archived snapshot of the database.

Recommended Solutions

Proven solutions from similar cities that could help diversify Calgary's resilience portfolio