October weather forecast
Port Moresby, Papua New Guinea

October in Port Moresby signifies a noticeable return to the wet season as rainfall volume increases to 110mm (4.33") from the previous month. The temperatures on land and at sea converge towards their annual averages, indicating a move back to the familiar monsoon weather pattern. The city enjoys longer daylight hours, providing excellent opportunities for outdoor activities despite the rainfall. Nature reveals its beauty, responding to the renewed influx of rain and consistent temperatures. Hence, October marks a steady shift towards the monsoon climate conditions.

Temperature

As October unfolds in Port Moresby, the average high-temperature reaches a still warm 29°C (84.2°F), hinting at a slight fluctuation from the previous month. Port Moresby's nights in October experience an average temperature drop to a still warm 23.4°C (74.1°F).

Heat index

During October, the heat index is appraised at a tropical 34°C (93.2°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
When assessing, remember that heat index measurements are for light winds and shaded spots. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.

Humidity

In October, the average relative humidity is 78%.

Rainfall

In Port Moresby, Papua New Guinea, in October, during 20.4 rainfall days, 110mm (4.33") of precipitation is typically accumulated. In Port Moresby, during the entire year, the rain falls for 249.8 days and collects up to 1311mm (51.61") of precipitation.

Sea temperature

In Port Moresby, the average seawater temperature in October is 27.2°C (81°F).
Note: For swimming, diving, and similar activities, the water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered delightful, allowing for extended periods of enjoyment without discomfort.

Daylight

The average length of the day in October is 12h and 19min.
On the first day of October, sunrise is at 05:55 and sunset at 18:06. On the last day of the month, sunrise is at 05:41 and sunset at 18:08 +10.

Sunshine

In October, the average sunshine in Port Moresby is 10.9h.

UV index

January, March through May, October through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 7 in October converts into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Attention! The reflection of both water and sand can increase the intensity of UV rays.