WhereItsSunny

Climate of Papua New Guinea — Month by Month

Country-wide average for Papua New Guinea. Part of Melanesia, Oceania.

Located in Melanesia, Oceania, Papua New Guinea has a tropical climate. Country-wide average temperatures range from 25°C / 77°F in July to 26.5°C / 79.7°F in January, with annual rainfall totalling around 2020 mm / 79.5 in — driest in August (110 mm / 4.3 in), wettest in March (210 mm / 8.3 in). These are national averages; regional variation can be substantial, especially in geographically diverse countries. For city-level detail see the cities section below, and for state or province breakdowns follow the subdivisions link if available.

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Sunny & HotSunny & WarmSunny & MildTropicalSnowy
MonthTemperatureRainfallMatches
January26.5°C79.7°F200 mm7.9″Tropical
February26.5°C79.7°F180 mm7.1″Tropical
March26.5°C79.7°F210 mm8.3″Tropical
April26.5°C79.7°F200 mm7.9″Tropical
May26°C78.8°F180 mm7.1″Tropical
June25.5°C77.9°F150 mm5.9″Tropical
July25°C77°F120 mm4.7″Tropical
August25°C77°F110 mm4.3″Tropical
September25.5°C77.9°F130 mm5.1″Tropical
October26°C78.8°F160 mm6.3″Tropical
November26°C78.8°F180 mm7.1″Tropical
December26.5°C79.7°F200 mm7.9″Tropical

Frequently asked questions

What is the best time to visit Papua New Guinea?

Papua New Guinea does not have a clear sunny-and-dry window by our cutoffs. The warmest month is January at 26.5°C / 79.7°F, and the driest is August at 110 mm / 4.3 in — likely your best travel window.

What is the climate of Papua New Guinea?

Papua New Guinea has country-wide monthly average temperatures ranging from 25°C / 77°F in July to 26.5°C / 79.7°F in January. Annual rainfall averages about 2020 mm / 79.5 in, with the wettest month being March (210 mm / 8.3 in) and the driest August (110 mm / 4.3 in). Regional variation within Papua New Guinea can be significant — see subdivision or city pages for detail.

What is the hottest month in Papua New Guinea?

The hottest month in Papua New Guinea is January, with a country-wide average temperature of 26.5°C / 79.7°F.

What is the coldest month in Papua New Guinea?

The coldest month in Papua New Guinea is July, with a country-wide average temperature of 25°C / 77°F.

When does it rain most in Papua New Guinea?

The wettest month in Papua New Guinea is March, averaging about 210 mm / 8.3 in of rain. The driest is August with about 110 mm / 4.3 in.