Papua New Guinea climate

World Climates covers 2 places in Papua New Guinea. By annual mean temperature, the warmest is Lae (28 °C83 °F) and the coolest is Port Moresby (27 °C81 °F). The wettest is Lae with 1,405 mm55 in of precipitation per year, the driest Port Moresby with 1,336 mm53 in.

The most common climate types (Köppen classification computed from these averages) are tropical savanna (dry winter) (Aw, 1 place) and tropical rainforest (Af, 1 place).

The highest monthly average high is in Lae (32 °C90 °F in December); the lowest monthly average low is in Lae (24 °C75 °F in August).

Temperature and rainfall across Papua New Guinea

Annual mean temperatures in Papua New Guinea range from 27 °C81 °F to 28 °C83 °F. The typical place (the median of all 2) has a year average of 28 °C82 °F. Annual precipitation ranges from 1,336 mm53 in to 1,405 mm55 in. The median place receives about 1,371 mm54 in in an average year.

In 0 places of 2, the coldest month has an average low below 0 °C (32 °F). In 1 place, the warmest month has an average high above 30 °C (86 °F). No place here gets less than 250 mm (10 in) of precipitation a year. None gets more than 2,000 mm (79 in) a year.

Averaged over all 2 places, December is the warmest month, with a mean of 29 °C84 °F. August is the coldest, with 26 °C79 °F. The wettest month on average is March (241 mm9.5 in). The driest is July (51 mm2.0 in). Single places can differ a lot from this average, so check the page of each city.

The table below lists the places sorted by population. The largest ones covered here are Port Moresby and Lae. Each city page has a chart and a table for every month. It also shows the best time to visit and what to pack. The figures are 25-year averages for 2001–2025 from NASA POWER. They describe grid cells of roughly 50–70 km, not single weather stations.

Climate of each place in Papua New Guinea

Port Moresby has a tropical savanna (dry winter) climate (Köppen Aw). Its year average is 27 °C81 °F. The warmest month is December, with an average high of 29 °C85 °F. The coldest is August, with an average low of 24 °C76 °F. About 1,336 mm53 in of precipitation falls in a year. March is the wettest month and July the driest. By our comfort score, the best months to visit are June–October.

Lae has a tropical rainforest climate (Köppen Af). Its year average is 28 °C83 °F. The warmest month is December, with an average high of 32 °C90 °F. The coldest is July, with an average low of 24 °C75 °F. About 1,405 mm55 in of precipitation falls in a year. March is the wettest month and July the driest. By our comfort score, the best months to visit are July and August.

Frequently asked questions

Which is the warmest place in Papua New Guinea?

By annual mean temperature, the warmest place in Papua New Guinea is Lae at 28 °C83 °F. The coolest is Port Moresby at 27 °C81 °F.

Where does it rain the most in Papua New Guinea?

Lae gets the most precipitation, 1,405 mm55 in in an average year. The driest place is Port Moresby with 1,336 mm53 in.

How many places in Papua New Guinea does this site cover?

World Climates has climate data for 2 places in Papua New Guinea. Each one has a page with monthly averages for temperature, rainfall, humidity and daylight.