August weather forecast
Papua New Guinea

August in Papua New Guinea continues the trend of the dry season, with the country experiencing minimal rainfall. Despite the decreased precipitation, temperatures remain relatively consistent, usually varying from 25°C (77°F) to 30°C (86°F), which is characteristic of the country's tropical climate.

In coastal cities such as Port Moresby and Lae, rainfall in August is typically quite low, although slightly higher than July. The reduced cloud cover results in bright and sunny days, making it a favourable time for outdoor activities. The heat is generally not too intense due to the lower humidity levels.

In the highlands, cities like Goroka and Mount Hagen also witness minimal rainfall during August. With clearer skies, these cities experience somewhat cooler nights due to their high altitude, offering a pleasant contrast to the daytime warmth.

Looking ahead to September, there is a slight increase in rainfall as the country starts transitioning from the dry season to the wet season. However, temperatures remain within the usual range of 25°C (77°F) to 30°C (86°F), maintaining the warm conditions characteristic of Papua New Guinea's tropical climate.

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• Port Moresby - August »
  With an average sea temperature of 25.6°C (78.1°F), August is the month with the coldest seawater in Port Moresby, Papua New Guinea. August is the month with the coldest seawater in Port Moresby, with an average sea temperature of 25.6°C (78.1°F).
• Lae - August »
  In Lae, Papua New Guinea, in August, it is raining for 22.3 days, with typically 181mm (7.13") of accumulated precipitation. The month with the lowest UV index in Lae is August, with an average maximum UV index of 5.
• Mount Hagen - August »
  In Mount Hagen, during August, the rain falls for 22 days and regularly aggregates up to 163mm (6.42") of precipitation. In Mount Hagen, during August, the rain falls for 22 days and regularly aggregates up to 163mm (6.42") of precipitation.
• Madang - August »
  With an average relative humidity of 82%, August is the least humid month in Madang, Papua New Guinea. August is the month with the coldest seawater in Madang, with an average sea temperature of 28.2°C (82.8°F).
• Wewak - August »
  With an average sea temperature of 28.7°C (83.7°F), August is the month with the coldest seawater in Wewak. In August, the average sea temperature in Wewak is 28.7°C (83.7°F).
• Goroka - August »
  March through May, July and August, with an average of 4h of sunshine, are months with the least sunshine in Goroka, Papua New Guinea. In Goroka in August, during 19 rainfall days, 96mm (3.78") of precipitation is typically accumulated.
• Kokopo - August »
  An average nighttime temperature of 25.3°C (77.5°F) marks August in Kokopo, Papua New Guinea. With an average sea temperature of 29.1°C (84.4°F), August is the month with the coldest seawater in Kokopo.
• Mendi - August »
  On the first day of August in Mendi, sunrise is at 06:36 and sunset at 18:27. On the first day of August in Mendi, sunrise is at 06:36 and sunset at 18:27.
• Kimbe - August »
  The month with the coldest seawater in Kimbe, Papua New Guinea, is August, with an average sea temperature of 28.7°C (83.7°F). August is the month with the coldest seawater in Kimbe, with an average sea temperature of 28.7°C (83.7°F).
• Arawa - August »
  In Arawa, during August, the rain falls for 30.8 days and regularly aggregates up to 511mm (20.12") of precipitation. The months with the highest humidity in Arawa are June through August, with an average relative humidity of 92%.
• Vanimo - August »
  In Vanimo in August, the average water temperature is 29°C (84.2°F). With an average sea temperature of 29°C (84.2°F), August is the month with the coldest seawater in Vanimo.