In June, the weather in Sri Jayawardenapura Kotte is typically warm. Average daily high temperature in June is about 27 degrees above zero. On average, Sri Jayawardenapura Kotte has 29 rainy and 1 sunny day in June. The rains are usually heavy. June as well as March, April, May, and July is considered the most uncomfortable time to visit Sri Jayawardenapura Kotte.