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Cities / Porto Alegre

Porto Alegre

Brazil

Porto Alegre is projected to face significant climate hazards, particularly due to heavy rainfall events that are anticipated to become more frequent and intense. These increased precipitation levels can result in flooding, waterlogging, and related infrastructure damage, thereby exacerbating existing vulnerabilities. Furthermore, the city will likely experience an elevated risk of malaria transmission as climate conditions become more favorable for the disease-carrying mosquitoes. Such public health threats could strain local health services and necessitate increased preparedness and response efforts. The combination of these factors indicates a heightened climate vulnerability for Porto Alegre, underscoring the need for comprehensive risk assessments and planning. As these climate projections unfold, the community's resilience and adaptability will be crucial in mitigating adverse outcomes associated with these emerging climate hazards.

Hazard Outlook

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

Maximum Rainfall

79th percentile High exposure

Porto Alegre's projected maximum rainfall of 15 mm is among the highest of all cities globally.

Porto Alegre
0.0 Lower → Higher 35

Elevation

35th percentile Elevated exposure

At 39 m elevation, Porto Alegre faces elevated risk from coastal flooding and sea level rise.

Porto Alegre
-8.0 Lower → Higher 4k

Maximum Temperature

46th percentile Moderate exposure

Porto Alegre's projected maximum temperature of 9.4°C is near the median of cities globally under a 3.0°C warming scenario.

Porto Alegre
5.0 Cooler → Hotter 13

Heavy Rainfall Days

32nd percentile Moderate exposure

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

Porto Alegre
0.0 Fewer → More 36

Longest Heatwave

2nd percentile Lower exposure

Porto Alegre may experience heatwaves lasting up to 2 days, lower than most other cities.

Porto Alegre
0.0 Shorter → Longer 92

Exposure Summary

Max Rain
Elevation
Max Temp
Heavy Rain
Heatwave

Adaptation Priorities

Porto Alegre faces high exposure to max rain and elevated exposure to elevation. These areas may warrant priority attention in adaptation planning.

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 Porto Alegre.

No solutions have been documented for Porto Alegre.

This is an archived snapshot of the database.

Recommended Solutions

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

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