Surabaya
Indonesia
Surabaya is projected to face significant climate hazards affecting its vulnerability to environmental changes. The city will experience heavy rainfall events, likely resulting in flooding, while prolonged drought conditions threaten water security and agriculture. Additionally, rising temperatures will increase the risk of arbovirus transmission, fostering conditions for mosquito breeding and elevating the likelihood of diseases. Malaria risk is also expected to increase, complicating public health challenges. The interrelated climate risks from heavy rainfall and drought may strain infrastructure and exacerbate health vulnerabilities. Collectively, these factors highlight the urgent need for strategies addressing Surabaya's complex climate challenges for future resilience.
Hazard Outlook
How will Surabaya's projected climate hazards compare to other cities under a 3.0°C future warming scenario?
Maximum Rainfall
Surabaya's projected maximum rainfall of 15 mm is among the highest of all cities globally.
Elevation
At 175 m elevation, Surabaya faces moderate risk from coastal flooding and sea level rise.
Maximum Temperature
Surabaya's projected maximum temperature of 7.7°C is lower than most cities globally under a 3.0°C warming scenario.
Longest Heatwave
Surabaya may experience heatwaves lasting up to 0 days, lower than most other cities.
Heavy Rainfall Days
With 6 days of heavy rainfall expected, Surabaya ranks lower than most cities for extreme precipitation events.
Exposure Summary
Adaptation Priorities
Surabaya faces high exposure to max rain. 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 Surabaya.
No solutions have been documented for Surabaya.
This is an archived snapshot of the database.
Recommended Solutions
Proven solutions from similar cities that could help diversify Surabaya's resilience portfolio
Floating Solar Photovoltaic Systems on Reservoirs
72%The Water Supplies Department (WSD) has pioneered floating photovoltaic (FPV) technology on Hong Kong's reservoirs, beginning with two 100 kW pilot systems installed at Shek Pik Reservoir and Plover Cove Reservoir in 2017.
Smart Water Metering and Automatic Meter Reading System
72%The Water Supplies Department is promoting wider use of smart water meters and Automatic Meter Reading (AMR) System, planned to work in conjunction with the Water Intelligent Network (WIN) to help identify problems.
Smart Water Meter System with AI-Powered Consumption Analytics
72%The Water Supplies Department is exploring the use of Automatic Meter Reading (AMR) coupled with mobile applications to enhance consumers' awareness of their water consumption on a timely basis, thereby facilitating behavioural changes to save water.
GIS-Based Groundwater Protection Zoning and Database System
65%This approach establishes a comprehensive groundwater management system for Huangshi through Geographic Information Systems (GIS) technology to address severe contamination and inadequate surveying of the city's groundwater resources.
Automated Water and Rain Monitoring System with Provincial Integration
65%The Huangshi Municipal Housing and Urban-Rural Development Bureau is constructing an automatic measuring and reporting system of water and rain that connects with the provincial flood monitoring system to realize information sharing through a special communication module.