May weather forecast
Papua New Guinea

May marks the official onset of the dry season in Papua New Guinea, leading to a considerable decrease in rainfall compared to the preceding months. Despite the drop in precipitation, occasional showers can still occur. Consistent with the country's tropical climate, temperatures remain relatively stable, typically ranging from 25°C (77°F) to 30°C (86°F).

In coastal regions such as Port Moresby and Lae, the reduction in rainfall becomes more apparent in May. While humidity levels decline, the decrease in cloud cover often results in bright and sunny days. However, the heat is generally less intense due to the decreased humidity.

In the highlands, cities like Goroka and Mount Hagen follow a similar pattern, with rainfall decreasing noticeably during May. The nights can become slightly cooler due to the decreased cloud cover and the cities' higher altitude.

Looking forward to June, the rainfall continues to decline across the country as the dry season progresses. However, the temperatures remain within the usual range of 25°C (77°F) to 30°C (86°F), ensuring the continuation of warm conditions characteristic of Papua New Guinea's climate.

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• Port Moresby - May »
  January, March through May, October through December, with an average maximum UV index of 7, are months with the highest UV index in Port Moresby, Papua New Guinea. In Port Moresby during the entire year, the rain falls for 249.8 days and collects up to 1311mm (51.61") of precipitation.
• Lae - May »
  On the last day of the month, in Lae sunrise is at 06:16 and sunset at 18:02 +10. The months with the highest UV index in Lae are January through July, September through December, with an average maximum UV index of 6.
• Mount Hagen - May »
  On the last day of the month, in Mount Hagen, sunrise is at 06:26 and sunset at 18:14 +10. In Mount Hagen in May, during 25 rainfall days, 180mm (7.09") of precipitation is typically accumulated.
• Madang - May »
  The months with the highest UV index in Madang are January through May, August through December, with an average maximum UV index of 12. In Madang in May, during 21 rainfall days, 343mm (13.5") of precipitation is typically accumulated.
• Wewak - May »
  The months with the highest UV index in Wewak are February, April through October, with an average maximum UV index of 7. On the first day of May in Wewak sunrise is at 06:22 and sunset at 18:22.
• Goroka - May »
  The months with the least sunshine in Goroka are March through May, July and August, with an average of 4h of sunshine. In Goroka during May, the rain falls for 23 days and regularly aggregates up to 168mm (6.61") of precipitation.
• Kokopo - May »
  May is the month when Kokopo experiences its warmest temperatures, averaging a high of 29.3°C (84.7°F) and a low of 26.3°C (79.3°F). In Kokopo in May, during 27.8 rainfall days, 162mm (6.38") of precipitation is typically accumulated.
• Mendi - May »
  Mendi welcomes May with a high-temperature average of a still warm 23.6°C (74.5°F), corresponding to the preceding month. When are sunrise and sunset in May in Mendi?
• Kimbe - May »
  The months with the highest UV index in Kimbe are April through June, August through November, with an average maximum UV index of 7. In Kimbe, Papua New Guinea, the average seawater temperature in May is 30°C (86°F).
• Arawa - May »
  In Arawa, in May, during 30.3 rainfall days, 449mm (17.68") of precipitation is typically accumulated. In Arawa, in May, during 30.3 rainfall days, 449mm (17.68") of precipitation is typically accumulated.
• Vanimo - May »
  In Vanimo in May, the average water temperature is 29.7°C (85.5°F). May in Vanimo offers a momentary deviation from the usual weather patterns, featuring reduced rainfall and slightly increased temperature levels.