Papua New Guinea located just south of the equator climate is tropical. December to March is the wet season, although occasional rains fall year round.
While Port Moresby, the capital, and other towns on the coast are quite hot and dry in the summer months (comparable to Darwin), temperatures are considerable cooler in the Highlands with Goroka reputedly having the most livable climate in the world.
A climate summary can be seen hereafter:Tropical; northwest monsoon (December to March), southeast monsoon (May to October); slight seasonal temperature variation.
Average Temperature - 26°C to 28°C throughout the year
Rain Fall - Max 196mm in February and Min 25mm in July