Moratuwa experiences a tropical climate with warm temperatures throughout the year. Temperatures remain relatively consistent, ranging from 14°C in May to 36°C in January and February, averaging around 28-29°C during most months. The summer season, from April to June, brings peak temperatures, while the winter months of December and January are slightly cooler. In the intervening periods, temperatures fluctuate between warm and hot, with minimal seasonal variation. Overall, Moratuwa's climate is characterized by high temperatures year-round, with mild variations in temperature from month to month.