This document summarizes a project in Sri Lanka to strengthen the resilience of smallholder farmers to climate variability and extreme events through integrated water management. It discusses (1) observed climatic changes in Sri Lanka with warming temperatures and increased rainfall variability, (2) mapping of district vulnerability to climate change, (3) the project objective to strengthen resilience through improved water management, and (4) the three main project outputs including upgrading village irrigation systems, enhancing decentralized water supply, and strengthening climate/hydrological observing and forecasting systems.