Papua New Guinea in may: average Weather, Temperature and Climate, Where to go?
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
Clear/Sunny
45% of time
31%
19%
6%
Weather at 12pm
86°F
Moderate rain at times
41% of time
37%
16%
5%
Weather at 6pm
81°F
Moderate rain at times
42% of time
27%
17%
15%
Weather at 3am
77°F
40%
30%
21%
9%
Where to go in Papua New Guinea in may?
Where to go in Papua New Guinea in may: destination map
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°F | 19 à 28 days | very bad weather* | |
| Islands (Rabaul, Kavieng, Kimbe...) | 86°F to 88°F | 15 à 27 days | 86°F to 88°F | bad weather* |
| Momase Region (Madang, Lae, Vanimo...) | 81°F to 88°F | 14 à 24 days | 86°F | tolerable weather* |
| South of Papua New Guinea (Port Moresby, Kiunga, Daru...) | 77°F to 88°F | 13 à 23 days | 83°F | very bad weather* |
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 |
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 |
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 |
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 may | tolerable weather |
| Madang in may | tolerable weather |
| Lae in may | tolerable weather |
| Goroka in may | tolerable weather |
| Kavieng in may | bad weather |
| Kiunga in may | very bad weather |
| Rabaul in may | bad weather |
| Aitape in may | bad weather |
| Alotau in may | tolerable weather |
| Ambunti in may | bad weather |
| Arawa in may | very bad weather |
| Daru in may | very bad weather |
| Kerema in may | tolerable weather |
| Kimbe in may | bad weather |
| Lorengau in may | tolerable weather |
| Mendi in may | very bad weather |
| Popondetta in may | bad weather |
| Vanimo in may | tolerable weather |
| Wabag in may | very bad weather |
| Wewak in may | bad 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.