Climate and monthly weather forecast
Port Moresby, Papua New Guinea

The mountains and beautiful clear waters surrounding the beautiful Port Moresby, in Papua New Guinea
The mountains and beautiful clear waters surrounding the beautiful Port Moresby, in Papua New Guinea

Weather in January

January, the same as December, is a moderately hot summer month in Port Moresby, Papua New Guinea, with an average temperature ranging between max 29.8°C (85.6°F) and min 24.4°C (75.9°F). In January, the average high-temperature is almost the same as in December - a moderately hot 29.8°C (85.6°F). Weather in January »

Weather in February

The last month of the summer, February, is another warm month in Port Moresby, Papua New Guinea, with an average temperature varying between 29.6°C (85.3°F) and 24.3°C (75.7°F). In Port Moresby, the average high-temperature in February is essentially the same as in January - a still warm 29.6°C (85.3°F). Weather in February »

Weather in March

March, the first month of the autumn in Port Moresby, is still a warm month, with an average temperature ranging between max 29.3°C (84.7°F) and min 24.3°C (75.7°F). In March, the average high-temperature is practically the same as in February - a still warm 29.3°C (84.7°F). Weather in March »

Weather in April

April, like March, in Port Moresby, Papua New Guinea, is another warm autumn month, with temperature in the range of an average high of 29.1°C (84.4°F) and an average low of 24.2°C (75.6°F). In Port Moresby, the average high-temperature in April is almost the same as in March - a still moderately hot 29.1°C (84.4°F). Weather in April »

Weather in May

May, the last month of the autumn in Port Moresby, is another warm month, with temperature in the range of an average low of 24.1°C (75.4°F) and an average high of 28.9°C (84°F). In May, the average high-temperature is relatively the same as in April - a still moderately hot 28.9°C (84°F). Weather in May »

Weather in June

June, the first month of the winter in Port Moresby, is still a warm month, with an average temperature ranging between min 23.5°C (74.3°F) and max 28°C (82.4°F). In Port Moresby, the average high-temperature in June is relatively the same as in May - a still moderately hot 28°C (82.4°F). Weather in June »

Weather in July

July, like June, in Port Moresby, Papua New Guinea, is a moderately hot winter month, with temperature in the range of an average low of 22.7°C (72.9°F) and an average high of 27.6°C (81.7°F). July and August, with an average high-temperature of 27.6°C (81.7°F), are the coldest months. The average heat index in July is calculated to be a hot 31°C (87.8°F). Weather in July »

Weather in August

August, the last month of the winter in Port Moresby, is another warm month, with temperature in the range of an average low of 22.5°C (72.5°F) and an average high of 27.6°C (81.7°F). The coldest months are July and August, with an average high-temperature of 27.6°C (81.7°F). In August, the average heat index is calculated to be a hot 31°C (87.8°F). Weather in August »

Weather in September

The first month of the spring, September, is still a warm month in Port Moresby, Papua New Guinea, with an average temperature fluctuating between 22.7°C (72.9°F) and 28°C (82.4°F). In Port Moresby, the average high-temperature in September is practically the same as in August - a still moderately hot 28°C (82.4°F). Weather in September »

Weather in October

October, like September, in Port Moresby, Papua New Guinea, is a moderately hot spring month, with an average temperature varying between 29°C (84.2°F) and 23.4°C (74.1°F). In October, the average high-temperature is almost the same as in September - a still moderately hot 29°C (84.2°F). Weather in October »

Weather in November

November, the last month of the spring in Port Moresby, is also a moderately hot month, with an average temperature varying between 24°C (75.2°F) and 29.7°C (85.5°F). In Port Moresby, the average high-temperature in November is practically the same as in October - a still moderately hot 29.7°C (85.5°F). Weather in November »

Weather in December

December, the first month of the summer in Port Moresby, is a tropical month, with temperature in the range of an average high of 30.2°C (86.4°F) and an average low of 24.5°C (76.1°F). With an average high-temperature of 30.2°C (86.4°F) and an average low-temperature of 24.5°C (76.1°F), December is the warmest month. In December, the average heat index is calculated to be a torrid 37°C (98.6°F). Weather in December »
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FAQ

What are the least humid months in Port Moresby?

January and February, with an average relative humidity of 73%, are the least humid months in Port Moresby.

How many days does it rain in Port Moresby?

In Port Moresby, Papua New Guinea, during the entire year, the rain falls for 249.8 days and collects up to 1311mm (51.61") of precipitation.

When is the sea warmest in Port Moresby?

January is the month with the warmest seawater in Port Moresby, with an average sea temperature of 29.7°C (85.5°F).

When is the highest UV index in Port Moresby?

January, March through May, October through December, with an average maximum UV index of 7, are months with the highest UV index.

When is the lowest UV index in Port Moresby?

The months with the lowest UV index are February, June through September, with an average maximum UV index of 6.

What is the rainiest month in Port Moresby?

The month with the most rainfall is March, when the rain falls for 24.6 days and typically aggregates up to 203mm (7.99") of precipitation.

What is the most humid month in Port Moresby?

May and June, with an average relative humidity of 80%, are most humid months in Port Moresby.

What is the month with the least sunshine in Port Moresby?

The month with the least sunshine in Port Moresby, Papua New Guinea, is May, with an average of 7.1h of sunshine.

What is the month with the shortest days in Port Moresby?

With an average of 11h and 35min of daylight, June has the shortest days of the year.

What are the coldest months in Port Moresby?

The coldest months in Port Moresby are July and August, with an average high-temperature of 27.6°C (81.7°F).

What is the driest month in Port Moresby?

July is the month with the least rainfall in Port Moresby. Rain falls for 14.7 days and accumulates 46mm (1.81") of precipitation.

What month is the sea coldest in Port Moresby?

August is the month with the coldest seawater in Port Moresby, Papua New Guinea, with an average sea temperature of 25.6°C (78.1°F).

What month has the most sunshine in Port Moresby?

The month with the most sunshine in Port Moresby, Papua New Guinea, is November, with an average of 11.3h of sunshine.

What is the warmest month in Port Moresby?

December is the warmest month in Port Moresby, Papua New Guinea, with an average high-temperature of 30.2°C (86.4°F) and an average low-temperature of 24.5°C (76.1°F).

When are the longest days in Port Moresby?

The month with the longest days in Port Moresby is December, with an average of 12h and 40min of daylight.

Is there Daylight Saving Time (DST) in Port Moresby?

Port Moresby does not observe Daylight Saving Time (DST). +10 timezone is used throughout the entire year.

Average temperature
Port Moresby, Papua New Guinea

Average temperature - Port Moresby, Papua New Guinea

The warmest month (with the highest average high temperature) is December (30.2°C).
The months with the lowest average high temperature are July and August (27.6°C).

The month with the highest average low temperature is December (24.5°C).
The coldest month (with the lowest average low temperature) is August (22.5°C).

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Average pressure
Port Moresby, Papua New Guinea

Average pressure - Port Moresby, Papua New Guinea

The month with the highest atmospheric pressure is August (1012.1mbar).
The month with the lowest atmospheric pressure is January (1007.9mbar).

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Average wind speed
Port Moresby, Papua New Guinea

Average wind speed - Port Moresby, Papua New Guinea

The windiest month (with the highest average wind speed) is July (18.9km/h).
The calmest month (with the lowest average wind speed) is December (9.7km/h).

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Average humidity
Port Moresby, Papua New Guinea

Average humidity - Port Moresby, Papua New Guinea

The months with the highest relative humidity are May and June (80%).
The months with the lowest relative humidity are January and February (73%).

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Average rainfall
Port Moresby, Papua New Guinea

Average rainfall - Port Moresby, Papua New Guinea

The wettest month (with the highest rainfall) is March (203mm).
The driest month (with the least rainfall) is July (46mm).

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Average rainfall days
Port Moresby, Papua New Guinea

Average rainfall days - Port Moresby, Papua New Guinea

The month with the highest number of rainy days is March (24.6 days).
The month with the least rainy days is July (14.7 days).

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Average sea temperature
Port Moresby, Papua New Guinea

Average sea temperature - Port Moresby, Papua New Guinea

The best month for swimming (with the highest average sea temperature) is January (29.7°C).
The coldest month (with the lowest average sea temperature) is August (25.6°C).

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Average daylight / Average sunshine
Port Moresby, Papua New Guinea

Average daylight / Average sunshine - Port Moresby, Papua New Guinea

The month with the longest days is December (Average daylight: 12h and 40min).
The month with the shortest days is June (Average daylight: 11h and 35min).

The month with the most sunshine is November (Average sunshine: 11h and 18min).
The month with the least sunshine is May (Average sunshine: 7h and 6min).

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Average sunshine days
Port Moresby, Papua New Guinea

Average sunshine days - Port Moresby, Papua New Guinea

The month with the most sunshine days is July (13.4 days).
The months with the least sunshine days are March and April (5.2 days).

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Average UV index
Port Moresby, Papua New Guinea

Average UV index - Port Moresby, Papua New Guinea

The months with the highest UV index are January, March, April, May, October, November and December (UV index 7).
The months with the lowest UV index are February, June, July, August and September (UV index 6).

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Average visibility
Port Moresby, Papua New Guinea

Average visibility - Port Moresby, Papua New Guinea

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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