The temperatures in Tonga during January are extremely high, between 27°C and hot as 28°C, drinking water regularly is advisable.
You can expect rain for roughly half of the month of January in Tonga. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Tonga in January 2025.
If you’re planning to visit Tonga in the near future, we highly recommend that you review the 14 day weather forecast for Tonga before you arrive.
Temperatures
28° / 27°
Rainy Days
12
Snowy Days
0
Dry Days
19
Rainfall
508
mm
Sun Hours
10.1
Hrs