May weather forecast
Tonga

May signifies the onset of the cooler season in Tonga. This month sees a further decrease in temperature, with average readings ranging from 21°C (69.8°F) to 27°C (80.6°F). As such, May is often considered one of the more comfortable months to visit Tonga in terms of temperature.

Rainfall in May continues its downward trend from the previous months, averaging 90mm (3.54"). While this amount of precipitation is still significant, it is considerably less than what is experienced during the peak of the cyclone season. The reduced rainfall contributes to drier conditions, making it easier for visitors to explore the islands.

In comparison to April, May presents cooler temperatures and less rainfall. The risk of cyclones is very low during this month, making it a safer and more comfortable time for visitors. The sea temperature remains warm, hovering around 27°C (80.6°F), perfect for marine activities such as swimming, snorkeling, and diving.

The onset of the cooler season in May brings more stable weather conditions, less humidity, and a comfortable climate. This makes it an appealing time for tourists who want to enjoy Tonga's natural beauty and outdoor activities without the high temperatures and heavy rainfall characteristic of the cyclone season. However, despite the generally improved conditions, it is always wise for visitors to stay informed about the current weather forecasts.

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• Nuku'alofa - May »
  In Nuku'alofa in May, the average water temperature is 26.8°C (80.2°F). In Nuku'alofa during May, the rain falls for 15 days and regularly aggregates up to 111mm (4.37") of precipitation.
• Neiafu - May »
  On the first day of May in Neiafu sunrise is at 06:50 and sunset at 18:15. On the first day of May in Neiafu sunrise is at 06:50 and sunset at 18:15.
• Vaini - May »
  On the last day of the month, in Vaini, sunrise is at 07:10 and sunset at 18:06 +13. April through December, with an average maximum UV index of 6, are months with the lowest UV index in Vaini.
• Pangai - May »
  On the first day of May in Pangai sunrise is at 06:53 and sunset at 18:15. In Pangai, in May, the average water temperature is 26.9°C (80.4°F).
• Hihifo - May »
  January through May, July through September, November and December, with an average maximum UV index of 7, are months with the highest UV index in Hihifo, Tonga. Hihifo transitions into May recording an average high-temperature of a still moderately hot 28.1°C (82.6°F), closely aligning with the preceding month's temperature.
• Kolonga - May »
  On the last day of the month, in Kolonga sunrise is at 07:10 and sunset at 18:06 +13. In Kolonga, during May, the rain falls for 13 days and regularly aggregates up to 59mm (2.32") of precipitation.
• Nukunuku - May »
  In Nukunuku during May, the rain falls for 13 days and regularly aggregates up to 59mm (2.32") of precipitation. The months with the lowest UV index in Nukunuku are April through December, with an average maximum UV index of 6.
• Houma - May »
  On the last day of the month, in Houma, sunrise is at 07:11 and sunset at 18:06 +13. In Houma, during the entire year, the rain falls for 193.9 days and collects up to 991mm (39.02") of precipitation.
• Holonga - May »
  In Holonga in May, during 18.3 rainfall days, 94mm (3.7") of precipitation is typically accumulated. During May, Holonga observes a subtle ascent to a still moderately hot 26.6°C (79.9°F) from April's 27.4°C (81.3°F) in the average high-temperature.
• Kanokupolu - May »
  On the last day of the month, in Kanokupolu, sunrise is at 07:11 and sunset at 18:07 +13. In Kanokupolu, Tonga, in May, during 13 rainfall days, 59mm (2.32") of precipitation is typically accumulated.
• Matahau - May »
  The weather in Matahau morphs during May, bringing high temperatures ranging from 25.2°C (77.4°F) to 23.9°C (75°F) and marking a significant dip from the previous month's conditions. On the last day of the month, in Matahau, sunrise is at 07:11 and sunset at 18:06 +13.