The maximum temperature in Vavuniya is on average 32°C over the year, with values generally ranging between 29°C in December and 34°C in April. Precipitation is fairly high, with about 1,848 mm per year. It ranges from 37 mm in June to 328 mm in October.
The climate is suitable to travel to Vavuniya year-round. Nevertheless, the months when the weather is really pleasant are January, February, March, May, June, July, August, September and December.
In terms of crowd levels, the quietest periods are in October, while crowding is high in July, December and August.