The maximum temperature in Weligama is on average 30°C over the year, with values generally ranging between 29°C in August and 31°C in March. Precipitation is fairly high, with about 1,404 mm per year. It ranges from 73 mm in January to 170 mm in November.
The climate is pleasant for traveling to Weligama year-round.
For swimming, the most favorable period for water temperature is April and May, with a water temperature above 28.9°C.
However, the best time to fully enjoy the beach and swimming is January, February, March, April and December.
Water sports are particularly favorable in: January, February, March, April and December. For scuba diving and snorkeling, the best months are January, February, March, April and December.
In terms of crowd levels, the quietest periods are in October, while crowding is high in February, January and December.