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.

---

• 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. In Port Moresby, Papua New Guinea, in August, it is raining for 17.1 days, with typically 71mm (2.8") of accumulated precipitation.
• Lae - August »
  The month with the most rainfall in Lae is August, when the rain falls for 22.3 days and typically aggregates up to 181mm (7.13") of precipitation. In Lae, during August, the rain falls for 22.3 days and regularly aggregates up to 181mm (7.13") of precipitation.
• Mount Hagen - August »
  June through August are known as Mount Hagen's coldest months, with an average high-temperature of 28°C (82.4°F). In August, the average sunshine duration in Mount Hagen is 4h.
• Madang - August »
  The month with the coldest seawater in Madang is August, with an average sea temperature of 28.2°C (82.8°F). The least humid month in Madang is August, with an average relative humidity of 82%.
• Wewak - August »
  The month with the coldest seawater in Wewak is August, with an average sea temperature of 28.7°C (83.7°F). On the first day of August in Wewak sunrise is at 06:32 and sunset at 18:30.
• Goroka - August »
  The coldest period in Goroka falls in July and August, when the average high-temperature reaches 26°C (78.8°F). On the first day of August in Goroka sunrise is at 06:29 and sunset at 18:20.
• Kokopo - August »
  With an average sea temperature of 29.1°C (84.4°F), August is the month with the coldest seawater in Kokopo, Papua New Guinea. In Kokopo in August, during 25.3 rainfall days, 157mm (6.18") of precipitation is typically accumulated.
• Mendi - August »
  The advent of August in Mendi reveals an average high-temperature of a still agreeable 22.3°C (72.1°F), showing minimal difference from the prior month. The prevailing weather conditions make August a green and lively month in Mendi.
• Kimbe - August »
  The month with the coldest seawater in Kimbe is August, with an average sea temperature of 28.7°C (83.7°F). In Kimbe in August, during 25.1 rainfall days, 233mm (9.17") of precipitation is typically accumulated.
• Arawa - August »
  The month with the most rainfall in Arawa is August, when the rain falls for 30.8 days and typically aggregates up to 511mm (20.12") of precipitation. June through August, with an average relative humidity of 92%, are most humid months in Arawa, Papua New Guinea.
• Vanimo - August »
  August is the month with the coldest seawater in Vanimo with an average sea temperature of 29°C (84.2°F). As July transitions into August, Vanimo records an average high-temperature of a still moderately hot 29.1°C (84.4°F), showing a gentle shift from the preceding month.