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 »
  The weather in Nuku'alofa undergoes a noticeable cooling from the hot and rainy season, the temperature scaling down to a comfortable range. In Nuku'alofa, during the entire year, the rain falls for 180 days and collects up to 1721mm (67.76") of precipitation.
• Neiafu - May »
  On the first day of May in Neiafu, sunrise is at 06:50 and sunset at 18:15. Surface water temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are considered superb and highly pleasant for water activities over extended periods.
• Vaini - May »
  In Vaini during May, the rain falls for 13 days and regularly aggregates up to 59mm (2.32") of precipitation. April through December, with an average maximum UV index of 6, are months with the lowest UV index in Vaini, Tonga.
• Pangai - May »
  On the first day of May in Pangai, sunrise is at 06:53 and sunset at 18:15. Water temperatures between 25°C (77°F) and 29°C (84.2°F) are regarded as highly pleasant, making all water activities enjoyable without any discomfort over long durations.
• Hihifo - May »
  On the last day of the month, in Hihifo, sunrise is at 06:55 and sunset at 18:10 +13. The months with the highest UV index in Hihifo are January through May, July through September, November and December, with an average maximum UV index of 7.
• Kolonga - May »
  In Kolonga, during the entire year, the rain falls for 193.9 days and collects up to 991mm (39.02") of precipitation. In Kolonga, during May, the rain falls for 13 days and regularly aggregates up to 59mm (2.32") of precipitation.
• Nukunuku - May »
  On the last day of the month, in Nukunuku, sunrise is at 07:10 and sunset at 18:06 +13. The months with the lowest UV index in Nukunuku are April through December, with an average maximum UV index of 6.
• Houma - May »
  In Houma during the entire year, the rain falls for 193.9 days and collects up to 991mm (39.02") of precipitation. On the last day of the month, in Houma, sunrise is at 07:10 and sunset at 18:06 +13.
• Holonga - May »
  In Holonga in May, it is raining for 18.3 days, with typically 94mm (3.7") of accumulated precipitation. In Holonga, in May, it is raining for 18.3 days, with typically 94mm (3.7") of accumulated precipitation.
• Kanokupolu - May »
  In Kanokupolu in May, during 13 rainfall days, 59mm (2.32") of precipitation is typically accumulated. In Kanokupolu 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 first day of May in Matahau, Tonga, sunrise is at 06:58 and sunset at 18:17.