The maximum temperature in Tanega-shima is on average 22°C over the year, with values generally ranging between 14°C in January and 29°C in August. The climate is very wet, with about 3,251 mm of precipitation per year. The monthly minimum is 152 mm in January and the maximum reaches 577 mm in June.
The climate is suitable for a trip to Tanega-shima in: January, February, March, April, May, July, August, September, October, November and December. Nevertheless, the months when the weather is really pleasant are February, March, April, May, November and December.
For swimming, the most favorable period for water temperature is July, August, September and October, with a water temperature above 26.2°C.
However, the best time to fully enjoy the beach and swimming is May, July, August, September and October.
Water sports are particularly favorable in: April, May, July, August, September and October. For scuba diving and snorkeling, the best months are April, May, July, August, September and October.
In terms of crowd levels, the quietest periods are in June, while crowding is high in July, October, November, December and August.
