When to Visit Tonga
Climate guide & best times to travel
Best Time to Visit
Month-by-Month Guide
January
January brings the warmest weather of the year with high temperatures reaching 84°F and pleasant nighttime lows of 74°F. The complete absence of rainfall and 70% humidity create ideal conditions for beach activities and water sports. This is peak summer season with long sunny days perfect for outdoor adventures.
February
February continues the warm summer pattern with temperatures reaching 85°F during the day and comfortable 74°F nights. The dry conditions persist with no measurable rainfall, making it excellent for all outdoor activities. Humidity remains steady at 70%, providing a pleasant tropical feel without being oppressive.
March
March maintains the peak warm season with daytime highs of 85°F and nighttime lows of 74°F. The continued absence of rainfall and consistent 70% humidity make this an ideal month for diving, snorkeling, and beach activities. Conditions remain perfect for exploring Tonga's pristine coral reefs and marine life.
April
April marks the beginning of the transition to cooler weather with highs dropping slightly to 83°F and lows to 71°F. The dry conditions continue with zero rainfall, while the 70% humidity provides comfortable tropical conditions. This is an excellent time for both water activities and land-based exploration.
May
May brings noticeably cooler and more comfortable temperatures with highs of 80°F and lows of 68°F. The continued dry conditions and 70% humidity create ideal weather for hiking, cultural tours, and outdoor festivals. This marks the beginning of the more comfortable shoulder season.
June
June offers some of the most pleasant weather of the year with comfortable highs of 78°F and cool nights at 67°F. The persistent dry conditions and stable 70% humidity make this perfect for whale watching season and extended outdoor activities. The cooler temperatures are ideal for active travelers.
July
July brings the coolest temperatures of the year with highs of 76°F and refreshing lows of 64°F. The complete absence of rainfall continues, while the 70% humidity and cooler temperatures create perfect conditions for hiking, cultural exploration, and whale watching activities.
August
August maintains the coolest conditions with temperatures identical to July - highs of 76°F and lows of 64°F. The dry weather pattern continues with zero rainfall and steady 70% humidity. This is prime whale watching season and excellent for all outdoor adventures without the heat of summer.
September
September sees a slight warming trend with highs reaching 77°F and lows of 65°F. The remarkably dry conditions persist with no measurable rainfall, while 70% humidity keeps conditions comfortable. This remains an excellent time for outdoor activities with fewer crowds and pleasant temperatures.
October
October continues the gradual warming trend with temperatures rising to 79°F during the day and 67°F at night. The exceptional dry conditions maintain with zero rainfall throughout the month. The consistent 70% humidity and comfortable temperatures make this ideal for both water and land activities.
November
November marks the return to warmer weather with highs of 81°F and lows of 69°F as the summer season approaches. The dry pattern continues unbroken with no rainfall recorded, while 70% humidity provides pleasant tropical conditions. This is an excellent transition month for all types of activities.
December
December brings warmer temperatures with highs reaching 83°F and comfortable lows of 72°F as summer returns. The remarkable absence of rainfall continues, paired with 70% humidity creating ideal tropical conditions. This marks the beginning of peak season with perfect weather for beach activities and water sports.