Sri Jayewardenepura Kotte experiences a warm and humid climate year-round, with temperatures rarely dipping below 20°C or rising above 36°C. The dry season, which peaks in March and April, brings average highs of around 29°C, while the wet season, from May to September, sees temperatures fluctuate between 22-34°C. Summer months of January to March are marked by rising temperatures, with averages reaching up to 28°C, while winter months of November to December experience a slight dip in temperature. The region's temperature remains relatively consistent throughout the year, with an average high of around 27-28°C from February to October. The cooler months of May and June bring slightly lower temperatures, averaging around 28°C.