The maximum temperature in Aitape is on average 28°C over the year, with values generally ranging between 27°C in July and 28°C in October. The climate is very wet, with about 5,149 mm of precipitation per year. The monthly minimum is 379 mm in February and the maximum reaches 477 mm in August.
The climate is therefore quite unfavorable all year round for a trip to Aitape.
For swimming, the most favorable period for water temperature is January, February, March, April, May, June, September, October, November and December, with a water temperature above 29°C.
However, the best time to fully enjoy the beach and swimming is January, February, March, April, May, June, July, August, September, October, November and December.
In terms of crowd levels, the quietest periods are in April, while crowding is high in January, July, August, September, October and December.