Tonga in may: average Weather, Temperature and Climate, Where to go?
Weather in Tonga in may 2025
Here, you have access to the weather forecast for may for most popular cities in Tonga. These predictions are probabilities for the month of may from weather reports for many years. The percentage indicates the probability of having the weather mentioned.
Average weather in may in Nukuʻalofa
good weather UV index: 7
Weather at 6am
77°F
Partly Cloudy
41% of time
23%
17%
13%
Weather at 12pm
77°F
Partly Cloudy
42% of time
24%
16%
15%
Weather at 6pm
77°F
Partly Cloudy
45% of time
20%
17%
16%
Weather at 3am
77°F
38%
29%
15%
14%
Where to go in Tonga in may?
Where to go in Tonga in may: destination map
perfect weather
good
tolerable
bad
very bad
Where should you go in Tonga in may when it comes to the weather?
Remember:
The climate in Tonga in may ranges from good to tolerable depending on the region and city.
You are lucky: Although it is not perfect the weather in Tonga that month should be quite good in Haʻapai islands (Lifuka and Foa), Tongatapu Island, Nukuʻalofa and Vavaʻu island. I allows to appreciate sightseeing in these cities. And even why not take a little time to take a nap at the pool under the sun!
If you do not go lazing in the sun, but, for example to discover the heritage, the city of Niuafoʻou (Niuas islands) have a decent enough weather for it in may.
Climate in Tonga in may
Climate in Nukuʻalofa in may
In may, the mean temperature in Nukuʻalofa is 77°F (maximum temperature is 79°F and minimum temperature is 77°F). The climate is pleasant there in the month of may. With 6.1in over 5 days, rain may occur throughout your trip. But this is pretty reasonably and you will not be too bothered by it.
With a good climate, the month of may is a recommended month to go in Nukuʻalofa.
| May | |||
| Average temperature | 77°F | ||
| Highest temperature | 79°F | ||
| Lowest temperature | 77°F | ||
| Sea temperature | 81°F | ||
| Rainfall | 6.1in | ||
| Number of days with rainfall | 5 day(s) (18%) | ||
| Humidity | 78% | ||
| Daily sunshine hours | 10 | ||
| Cloud cover | 47% | ||
| Length of day | 11:06 | ||
| Our opinion at whereandwhen.net | good |
Climate in Haʻapai islands (Lifuka / Foa) in may
In the month of may, the mean temperature in Haʻapai islands (Lifuka and Foa) is 79°F (maximum temperature is 79°F and minimum temperature is 79°F). The climate is nice there in this month. With 6.8in over 7 days, rain may occur throughout your journey. But this is pretty moderate and it will not be continuous.
With a good climate, the month of may is a good month to go in Haʻapai islands (Lifuka and Foa).
| May | |||
| Average temperature | 79°F | ||
| Highest temperature | 79°F | ||
| Lowest temperature | 79°F | ||
| Sea temperature | 81°F | ||
| Rainfall | 6.8in | ||
| Number of days with rainfall | 7 day(s) (21%) | ||
| Humidity | 80% | ||
| Daily sunshine hours | 10 | ||
| Cloud cover | 48% | ||
| Length of day | 11:11 | ||
| Our opinion at whereandwhen.net | good |
Climate in Niuafoʻou (Niuas islands) in may
In may, the mean temperature in Niuafoʻou (Niuas islands) is 83°F (maximum temperature is 83°F and minimum temperature is 83°F). The climate is pleasant around this city in may. With 9in over 13 days, you will experience some showers for your trip. But this is pretty reasonably and it will not be continuous.
With proper weather, the month of may is okay (but not good time) for traveling in that area.
| May | |||
| Average temperature | 83°F | ||
| Highest temperature | 83°F | ||
| Lowest temperature | 83°F | ||
| Rainfall | 9in | ||
| Number of days with rainfall | 13 day(s) (41%) | ||
| Humidity | 79% | ||
| Daily sunshine hours | 10 | ||
| Cloud cover | 49% | ||
| Length of day | 11:23 | ||
| Our opinion at whereandwhen.net | tolerable |
Climate in Tongatapu Island in may
In the month of may, the mean temperature in Tongatapu Island is 77°F (maximum temperature is 79°F and minimum temperature is 77°F). The climate is comfortable in this location in the month of may. With 6.1in over 5 days, you will experience some showers throughout your holidays. But this is pretty moderate and you will not be too bothered by it.
With a good climate, the month of may is a good month to go in this city in Tonga.
| May | |||
| Average temperature | 77°F | ||
| Highest temperature | 79°F | ||
| Lowest temperature | 77°F | ||
| Sea temperature | 81°F | ||
| Rainfall | 6.1in | ||
| Number of days with rainfall | 5 day(s) (18%) | ||
| Humidity | 78% | ||
| Daily sunshine hours | 10 | ||
| Cloud cover | 47% | ||
| Length of day | 11:07 | ||
| Our opinion at whereandwhen.net | good |
Climate in Vavaʻu island in may
In the month of may, maximum temperature is 81°F and minimum temperature is 79°F (for an average temperature of 81°F). The climate is nice in that area in may. With 9.2in over 8 days, rain may occur during your trip. But this is pretty reasonably and it is only of temporary showers.
With good weather conditions, may is an advisable month to go in that area.
| May | |||
| Average temperature | 81°F | ||
| Highest temperature | 81°F | ||
| Lowest temperature | 79°F | ||
| Sea temperature | 82°F | ||
| Rainfall | 9.2in | ||
| Number of days with rainfall | 8 day(s) (25%) | ||
| Humidity | 80% | ||
| Daily sunshine hours | 10 | ||
| Cloud cover | 51% | ||
| Length of day | 11:14 | ||
| Our opinion at whereandwhen.net | good |
All cities in Tonga in may
| Nukuʻalofa in may | good weather |
| Haʻapai islands (Lifuka and Foa) in may | good weather |
| Niuafoʻou (Niuas islands) in may | tolerable weather |
| Tongatapu Island in may | good weather |
| Vavaʻu island in may | good weather |
Weather data for Tonga in may:
Weather data for Tonga in may is derived from an average of the weather forecast since 2009 in Tonga. There is a margin of error and these forecasts are to be considered as general information only. The weather in Tonga 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 Tonga.