March weather forecast
Tonga

March signifies the winding down of the cyclone season in Tonga. Temperatures during this month range from 23°C (73.4°F) to 30°C (86°F), showing a slight decrease compared to the warmer months of January and February.

Rainfall in March begins to decrease as well, although it remains significant with an average total often exceeding 110mm (4.33"). The variation in rainfall across different islands is minimal, maintaining the abundant lushness that characterizes the archipelago. This continued rainfall helps sustain the vibrant tropical landscapes that are a major draw for visitors.

Comparatively, March experiences less rainfall and marginally cooler temperatures than February. As the month progresses, there is a noticeable trend towards drier and more stable weather. By the end of March, the risk of cyclones has significantly lessened, marking the onset of a more visitor-friendly period in Tonga.

Sea temperatures remain warm in March, averaging 29°C (84.2°F). This offers great conditions for water sports, including snorkeling and diving, which allow visitors to explore Tonga's extraordinary marine life. It's important, however, for visitors to continue monitoring weather conditions as residual effects from the cyclone season may still occur, particularly at the beginning of the month.

---

• Nuku'alofa - March »
  With an average sea temperature of 28.1°C (82.6°F), March is the month with the warmest seawater in Nuku'alofa, Tonga. January through March, November and December, with an average maximum UV index of 12, are months with the highest UV index in Nuku'alofa, Tonga.
• Neiafu - March »
  March is the month with the warmest seawater in Neiafu, with an average sea temperature of 28.8°C (83.8°F). On the first day of March in Neiafu, sunrise is at 06:34 and sunset at 19:01.
• Vaini - March »
  The first month of the autumn, March, is also a moderately hot month in Vaini with an average temperature fluctuating between 26.3°C (79.3°F) and 27.2°C (81°F). On the first day of March in Vaini, Tonga, sunrise is at 06:38 and sunset at 19:07.
• Pangai - March »
  With an average sea temperature of 28.5°C (83.3°F), March is the month with the warmest seawater in Pangai, Tonga. The month with the warmest seawater is March, with an average sea temperature of 28.5°C (83.3°F).
• Hihifo - March »
  In Hihifo, March is the month with the highest recorded average temperatures, measuring a high of 28.8°C (83.8°F) and a low of 27.7°C (81.9°F). March is the least humid month in Hihifo, with an average relative humidity of 76%.
• Kolonga - March »
  On the first day of March in Kolonga sunrise is at 06:37 and sunset at 19:07. In Kolonga, during March, the rain falls for 21.5 days and regularly aggregates up to 151mm (5.94") of precipitation.
• Nukunuku - March »
  With the arrival of March, Nukunuku, Tonga experiences a slight dip in temperature and rainfall from the preceding month. In Nukunuku in March, it is raining for 21.5 days, with typically 151mm (5.94") of accumulated precipitation.
• Houma - March »
  In Houma in March, during 21.5 rainfall days, 151mm (5.94") of precipitation is typically accumulated. In Houma, during March, the rain falls for 21.5 days and regularly aggregates up to 151mm (5.94") of precipitation.
• Holonga - March »
  In Holonga, Tonga, in March, it is raining for 24.3 days, with typically 133mm (5.24") of accumulated precipitation. In Holonga, during March, the rain falls for 24.3 days and regularly aggregates up to 133mm (5.24") of precipitation.
• Kanokupolu - March »
  In Kanokupolu in March, it is raining for 21.5 days, with typically 151mm (5.94") of accumulated precipitation. In Kanokupolu, in March, during 21.5 rainfall days, 151mm (5.94") of precipitation is typically accumulated.
• Matahau - March »
  March sees a balancing act in Matahau's weather conditions with similar parameters as February, with a slight lowering of temperature, the high averaging at 27.2°C (81°F) and the low at 26.3°C (79.3°F). On the first day of March in Matahau, Tonga, sunrise is at 06:38 and sunset at 19:08.