The Uva Province, which is Sri Lanka's largest province, encompasses the hill country as well as the dry plains. Wellawaya experiences the warm sunny daytime temperatures of the plains, and the chilly nights of the higher altitudes.
Sri Lanka boasts a tropical climate with two monsoon seasons that bring rainfall to different parts of the island, and two inter monsoon seasons as well. Wellawaya, with its average temperature of 27◦C enjoys bright sunny days which are ideal for getting around and exploring the countryside, while the nights are cooler as the temperatures drop with the winds that come in from the surrounding mountain ranges. May is considered the hottest month with an average temperature of 27.4◦C, while the lowest average temperatures of about 24 ◦C occur in January. The North East monsoon brings heavy rain to the area from October to January, so the best time to visit would be during the months of March to August.