Best Time to Visit Tonga: Month-by-Month Guide

Best months for Tonga: December, January.

  • Best months for Tonga: December, January.
  • Peak season is December, January, February. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
  • Shoulder season: November. Good weather without the busiest period.
  • Wettest months: October, September, August.
  • The least pleasant month is October (score 6.1).

Year at a glance

31° 19° J 32° 20° F 31° 20° M 29° 20° A 28° 20° M 27° 19° J 26° 19° J 25° 19° A 26° 19° S 27° 19° O 28° 19° N 30° 19° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 31°C19°C8 mm 3– – 8.1
February 32°C20°C18 mm 5– – 7.5
March 31°C20°C70 mm 16– – 6.4
April 29°C20°C133 mm 22– – 6.1
May 28°C20°C147 mm 26– – 6.1
June 27°C19°C140 mm 26– – 6.1
July 26°C19°C142 mm 26– – 6.1
August 25°C19°C171 mm 26– – 6.1
September 26°C19°C206 mm 28– – 6.1
October 27°C19°C200 mm 29– – 6.1
November 28°C19°C70 mm 14– – 7.2
December 30°C19°C9 mm 2– – 8.4

Frequently asked questions

When is the best time to visit Tonga?

The best months are December, January.

When is the rainy season in Tonga?

The wettest months are October, September, August.