If you're looking for summer vibes, the best time to travel to Goroka is in January, February and March, when the average temperature reaches 23.26 °C, while August, July and September are the 3 sunniest months of the year, with an average of 17.41 hours.
However, if you prefer colder temperatures, make sure you visit Goroka during January, February or March to experience an average of 11.63 °C.
For those who don't care too much about temperatures, but want to avoid getting wet in the rain, it's important to avoid travelling during May, June and July, when the average precipitation in Goroka is 9 mm, while the months of January, February and March are drier, with an average of 0 mm.