Climate and Weather in Port Moresby, Papua New Guinea

The climate of Port Moresby

What is the capital of Papua New Guinea? Port Moresby is the capital of the country of Papua New Guinea. Port Moresby is located in the southeast of the island of New Guinea and is the largest city in the country with more than three hundred thousand inhabitants. Port Moresby played an important role for the Allies in their fight against the Japanese during World War II.

Port Moresby has a tropical savanna climate, with a drier season from mid-May to November and a wet season from December to mid-April. Port Moresby has little variation in temperatures and average hours of sunshine per month. Throughout the year, the mercury is around 30-31 degrees in the afternoons and gradually drops to 22 to 24 degrees after sunset. The relative humidity in Port Moresby is on the high side all year round. During the wet season it is highest, making it feel very clammy.

Climate figures

The figures below are based on long-term average climate statistics. The temperatures are displayed in degrees Celsius (°C).

	maximum temperature	minimum temperature	hours of sunshine per day	days of rainfall per month	amount of precipitation per month	water temperature
January	31℃	23℃	6	21		29℃
February	31℃	23℃	6	19		29℃
March	31℃	23℃	6	20		29℃
April	30℃	23℃	6	18		29℃
May	30℃	24℃	6	16		28℃
June	29℃	23℃	6	13		27℃
July	29℃	22℃	6	12		26℃
August	29℃	22℃	7	10		25℃
September	30℃	22℃	7	12		26℃
October	31℃	23℃	7	11		27℃
November	31℃	23℃	7	12		28℃
December	31℃	23℃	6	16		29℃

The weather in Port Moresby

Here you will find the weather forecast for Port Moresby. View the current weather in Port Moresby and the forecast for the coming days, such as temperatures, the chance of precipitation, the wind direction and the wind strength. With this weather data you can see what kind of weather you can expect in Port Moresby. Based on the climate statistics, we describe the weather per month in Port Moresby. This is not a long-term forecast, but gives the average weather forecast for all months of the year. Do you want to see the detailed weather forecast for Port Moresby? On the page with extra weather information we show the chance of snow, the wind chill, visibility, UV strength, air pressure and more good weather information.

An average weather picture per month can be compiled on the basis of long-term climate statistics, certain weather patterns and specific events.

January weather

In January, the average maximum temperature in Port Moresby is around 31 degrees Celsius. The average minimum temperature in January is 23 degrees. The number of hours that the sun is visible in January at this destination is around 6 hours per day. Within the whole month there is precipitation for about 21 days. If you look at the long-term averages, this makes for a wet month.

February weather

In the month of February, the average maximum temperature in Port Moresby is around 31 degrees Celsius. The average minimum temperature in February is 23 degrees. The number of hours that the sun is visible in February at this destination is around 6 hours per day. Within the entire month there is precipitation for about 19 days. If you look at the long-term averages, this makes for a wet month.

March weather

In the month of March, the average maximum temperature in Port Moresby is around 31 degrees Celsius. The average minimum temperature in March is 23 degrees. The number of hours that the sun is visible in March at this destination is around 6 hours per day. Within the whole month there is precipitation for about 20 days. If you look at the long-term averages, this makes for a wet month.

The weather in April

In the month of April, the average maximum temperature in Port Moresby is around 30 degrees Celsius. The average minimum temperature in April is 23 degrees. The number of hours that the sun is visible in April at this destination is around 6 hours per day. Within the whole month there is precipitation for about 18 days. If you look at the long-term averages, this results in a month with quite a lot of precipitation.

The weather in May

In the month of May, the average maximum temperature in Port Moresby is around 30 degrees Celsius. The average minimum temperature in May is 24 degrees. The number of hours that the sun is visible in May in this destination is around 6 hours per day. Within the whole month there is precipitation for about 16 days. If you look at the long-term averages, this results in a month with quite a lot of precipitation.

The weather in June

In the month of June, the average maximum temperature in Port Moresby is around 29 degrees Celsius. The average minimum temperature in June is 23 degrees. The number of hours that the sun is visible in June at this destination is around 6 hours per day. Within the whole month there is precipitation for about 13 days. If you look at the long-term averages, this ensures a reasonable amount of precipitation during this month.

The weather in July

In July, the average maximum temperature in Port Moresby is around 29 degrees Celsius. The average minimum temperature in July is 22 degrees. The number of hours that the sun is visible in July at this destination is around 6 hours per day. Within the whole month there is precipitation for about 12 days. If you look at the long-term averages, that means that there will not be much precipitation this month.

The weather in August

In the month of August, the average maximum temperature in Port Moresby is around 29 degrees Celsius. The average minimum temperature in August is 22 degrees. The number of hours that the sun is visible in August in this destination is around 7 hours per day. Within the whole month there is precipitation for about 10 days. If you look at the long-term averages, that means that there will not be much precipitation this month.

The weather in September

In September, the average maximum temperature in Port Moresby is around 30 degrees Celsius. The average minimum temperature in September is 22 degrees. The number of hours that the sun is visible in September at this destination is around 7 hours per day. Within the whole month there is precipitation for about 12 days. If you look at the long-term averages, this ensures a reasonable amount of precipitation during this month.

The weather in October

In October, the average maximum temperature in Port Moresby is around 31 degrees Celsius. The average minimum temperature in October is 23 degrees. The number of hours that the sun is visible in October at this destination is around 7 hours per day. Within the whole month there is rainfall for about 11 days. If you look at the long-term averages, this ensures a reasonable amount of precipitation during this month.

The weather in November

In November, the average maximum temperature in Port Moresby is around 31 degrees Celsius. The average minimum temperature in November is 23 degrees. The number of hours that the sun is visible in November at this destination is around 7 hours per day. Within the whole month there is precipitation for about 12 days. If you look at the long-term averages, this ensures a reasonable amount of precipitation during this month.

December weather

In the month of December, the average maximum temperature in Port Moresby is around 31 degrees Celsius. The average minimum temperature in December is 23 degrees. The number of hours that the sun is visible in December at this destination is around 6 hours per day. Within the whole month there is precipitation for about 16 days. If you look at the long-term averages, this results in a month with quite a lot of precipitation.