The maximum temperature in Kalmunai is on average 31°C over the year, with values generally ranging between 27°C in January and 33°C in June. The climate is very wet, with about 2,823 mm of precipitation per year. The monthly minimum is 79 mm in June and the maximum reaches 546 mm in December.
The climate is suitable for a trip to Kalmunai in: January, February, March, April, May, June, July, August, September, October and November. Nevertheless, the months when the weather is really pleasant are February, March, April, May, June, July, August and September.
For swimming, the most favorable period for water temperature is April, May and June, with a water temperature above 29°C.
However, the best time to fully enjoy the beach and swimming is February, March, April, May, June, July, August and September.
In terms of crowd levels, the quietest periods are in October and November, while crowding is high in July and August.
