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The climate of Papua New Guinea, city by city

This page lists the 13 cities in Papua New Guinea for which climate normals are available. Each entry covers temperature, rainfall and how the climate changed between 1940 and 2025, computed from ERA5 reanalysis data.

Average across cities

22.9°C

Annual rainfall

3,378mm

Spread between cities

10.8°C

Warming

+1.3°C

Departure from normal across the country's largest cities, 1940–2025

Rankings

Across the 13 cities in this country with a measured climate.

The warmest

  1. 1Kokopo26.6 °C
  2. 2Wewak26.4 °C
  3. 3Kimbe26.3 °C
  4. 4Daru26.2 °C
  5. 5Port Moresby25.6 °C
  6. 6Madang25.6 °C
  7. 7Popondetta24.9 °C
  8. 8Lae24.5 °C
  9. 9Arawa23.5 °C
  10. 10Goroka18.1 °C

The coldest

  1. 1Mendi15.8 °C
  2. 2Mt Hagen16.8 °C
  3. 3Bulolo17.9 °C
  4. 4Goroka18.1 °C
  5. 5Arawa23.5 °C
  6. 6Lae24.5 °C
  7. 7Popondetta24.9 °C
  8. 8Port Moresby25.6 °C
  9. 9Madang25.6 °C
  10. 10Daru26.2 °C

The wettest

  1. 1Lae5,975 mm
  2. 2Mendi5,861 mm
  3. 3Arawa4,115 mm
  4. 4Mt Hagen3,870 mm
  5. 5Popondetta3,579 mm
  6. 6Madang3,296 mm
  7. 7Bulolo3,131 mm
  8. 8Goroka2,761 mm
  9. 9Kimbe2,745 mm
  10. 10Wewak2,511 mm

Frequently asked questions

What is the hottest city in Papua New Guinea?

The hottest city in Papua New Guinea is Kokopo, with an average annual temperature of 26.6 °C.

What is the coldest city in Papua New Guinea?

The coldest city in Papua New Guinea is Mendi, with an average annual temperature of 15.8 °C.

What is the wettest city in Papua New Guinea?

The wettest city in Papua New Guinea is Lae, with 5,975 mm of precipitation per year.

Has the climate of Papua New Guinea warmed?

Based on its largest cities, Papua New Guinea warmed by +1.3 °C between 1940 and 2025.

Cities by region

Bougainville1

Eastern Highlands Province1

East New Britain Province1

East Sepik Province1

Madang Province1

Morobe Province2

National Capital1

Oro Province1

Southern Highlands Province1

Western Highlands Province1

Western Province1

West New Britain Province1