Weather in Papua New Guinea in may 2025

In this section, find the the weather forecast for the month of may for most popular cities in Papua New Guinea. These forecasts are probabilities for may from weather reports for many years. The percentage indicates the probability of having the weather indicated.

Average weather in may in Port Moresby

tolerable weather UV index: 7

Weather at 6am
79°F

Partly Cloudy

31%

Moderate rain at times

19%

Heavy rain

6%

Weather at 12pm
86°F

Clear/Sunny

37%

Partly Cloudy

16%

Heavy rain

5%

Weather at 6pm
81°F

Heavy rain

27%

Clear/Sunny

17%

Partly Cloudy

15%

Weather at 3am
77°F

Clear/Sunny

40%

Partly Cloudy

30%

Moderate rain at times

21%

Heavy rain

9%

More information about the weather in Port Moresby in may



Where to go in Papua New Guinea in may?

Where to go in Papua New Guinea in may: destination map

Legend: perfect weather good tolerable bad very bad

Where to go in each region in may?

Highlands Region of Papua New Guinea
(Goroka, Mendi, Wabag...)
70°F to 77°F19 à 28 days
very bad weather*
Islands
(Rabaul, Kavieng, Kimbe...)
86°F to 88°F15 à 27 days86°F to 88°F
bad weather*
Momase Region
(Madang, Lae, Vanimo...)
81°F to 88°F14 à 24 days86°F
tolerable weather*
South of Papua New Guinea
(Port Moresby, Kiunga, Daru...)
77°F to 88°F13 à 23 days83°F
very bad weather*
*over most of the region. Weather may vary locally.


Where should you go in Papua New Guinea in may when it comes to the weather?

Remember:
The climate in Papua New Guinea in may ranges from tolerable to very bad depending on the region and city.

May is not the best month to travel to in Papua New Guinea. The weather in Port Moresby and Madang is OK but just acceptable. The sun is not there all the time and you risk you to be soaked by rain frequently. Nonetheless, if you don't plan a pool & relaxation trip in Papua New Guinea but rather nature excursions, this climate may be enough. In addition, there are definitely fewer tourists at this time.

It's much worse in Rabaul, Goroka, Kiunga, Kavieng and Lae and surrounding areas where the climate is even worse. It is not recommended to visit these areas in may.


Climate in Papua New Guinea in may

Climate in Port Moresby in may

In the month of may, the mean temperature in Port Moresby is 83°F (maximum temperature is 86°F and minimum temperature is 79°F). The climate is very hot around this city in this month. With 9.4in over 15 days, rain may occur for your holidays. But this is rather moderate and you will not be too bothered by it.
With a correct weather, may is okay (but not good time) for traveling in that area.

May
Average temperature 83°F
Highest temperature 86°F
Lowest temperature 79°F
Sea temperature 82°F
Rainfall 9.4in
Number of days with rainfall 15 day(s)
(47%)
Humidity 83%
Daily sunshine hours 9
Cloud cover 32%
Length of day 11:41
Our opinion at whereandwhen.net tolerable
more information about the climate in Port Moresby in may

Climate in Madang in may

In the month of may, the mean temperature in Madang is 83°F (maximum temperature is 88°F and minimum temperature is 79°F). The climate is very hot in this city in the month of may. With 11.3in over 15 days, rain may occur during your journey. But this is rather reasonably and you will not be too bothered by it.
With proper weather, the month of may is okay (but not good time) for traveling there in Papua New Guinea.

May
Average temperature 83°F
Highest temperature 88°F
Lowest temperature 79°F
Sea temperature 86°F
Rainfall 11.3in
Number of days with rainfall 15 day(s)
(49%)
Humidity 85%
Daily sunshine hours 11
Cloud cover 35%
Length of day 11:52
Our opinion at whereandwhen.net tolerable
more information about the climate in Madang in may

Climate in Lae in may

In the month of may, the mean temperature in Lae is 77°F (maximum temperature is 81°F and minimum temperature is 72°F). The climate quite pleasant in this city in may. With 12.1in over 15 days, you may find yourself often in the rain for your journey. Remember to bring rain clothes.
With a bad weather, may is not recommended month to go in this city.

May
Average temperature 77°F
Highest temperature 81°F
Lowest temperature 72°F
Sea temperature 85°F
Rainfall 12.1in
Number of days with rainfall 15 day(s)
(48%)
Humidity 85%
Daily sunshine hours 11
Cloud cover 37%
Length of day 11:49
Our opinion at whereandwhen.net tolerable
more information about the climate in Lae in may

Climate in Goroka in may

In the month of may, maximum temperature is 77°F and minimum temperature is 61°F (for an average temperature of 68°F). The climate good here in the month of may. With 13.4in over 19 days, the weather is rather to rain during your trip. Remember to bring adapted clothes.

May
Average temperature 68°F
Highest temperature 77°F
Lowest temperature 61°F
Rainfall 13.4in
Number of days with rainfall 19 day(s)
(62%)
Humidity 92%
Daily sunshine hours 11
Cloud cover 43%
Length of day 11:51
Our opinion at whereandwhen.net tolerable

Climate in Kavieng in may

In the month of may, maximum temperature is 86°F and minimum temperature is 85°F (for an average temperature of 85°F). The climate is burning in that area in this month. With 18in over 22 days, the weather is rather to rain for your journey. Remember to pack clothes for rain.
With a bad climate, may is not the best time to go in this city.

May
Average temperature 85°F
Highest temperature 86°F
Lowest temperature 85°F
Sea temperature 87°F
Rainfall 18in
Number of days with rainfall 22 day(s)
(70%)
Humidity 76%
Daily sunshine hours 11
Cloud cover 41%
Length of day 12:00
Our opinion at whereandwhen.net bad


All cities in Papua New Guinea in may

Port Moresby in maytolerable weather
Madang in maytolerable weather
Lae in maytolerable weather
Goroka in maytolerable weather
Kavieng in maybad weather
Kiunga in mayvery bad weather
Rabaul in maybad weather
Aitape in maybad weather
Alotau in maytolerable weather
Ambunti in maybad weather
Arawa in mayvery bad weather
Daru in mayvery bad weather
Kerema in maytolerable weather
Kimbe in maybad weather
Lorengau in maytolerable weather
Mendi in mayvery bad weather
Popondetta in maybad weather
Vanimo in maytolerable weather
Wabag in mayvery bad weather
Wewak in maybad weather


Weather data for Papua New Guinea in may:

Weather data for Papua New Guinea in may is derived from an average of the weather forecast since 2009 in Papua New Guinea. There is a margin of error and these forecasts are to be considered as general information only. The weather in Papua New Guinea can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to Papua New Guinea.


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