Taking the local weather in Kotiyakumbura into account is an important factor for planning your visit, especially if you plan to spend your trip by the pool. The hottest months are usually March and April, with an average temperature of 24°C, while the coldest months are January and February, with an average of 23°C. The rainiest months in Kotiyakumbura are November, October, December and April, with each month seeing an average of 355 mm of rainfall.