The weather in Tongatapu in May is very hot. The average temperatures are between 24°C and 25°C, drinking water regularly is advisable.
You can expect about 3 to 8 days of rain in Tongatapu during the month of May. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Tongatapu in May 2025.
If you’re planning to visit Tongatapu in the near future, we highly recommend that you review the 14 day weather forecast for Tongatapu before you arrive.
Temperatures
25° / 24°
Rainy Days
4
Snowy Days
0
Dry Days
27
Rainfall
145
mm
Sun Hours
10.2
Hrs
