Long-term weather forecast
Long-term weather forecast

May weather forecast and Climate
Nuku'alofa, Tonga

A view of the Rugged scenic shores of Nuku
A view of the Rugged scenic shores of Nuku'alofa in Tonga, with a beautiful clear waterfront
  • The average high temperature in May: 26.8°C

The warmest month (with the highest average high temperature) is February (29.9°C).
The month with the lowest average high temperature is August (24.8°C).

  • The average low temperature in May: 20.3°C

The month with the highest average low temperature is February (23.7°C).
The coldest month (with the lowest average low temperature) is July (18.1°C).

  • The average humidity in May: 78%

The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is November (73%).

  • The average rainfall in May: 111mm

The wettest month (with the highest rainfall) is February (210mm).
Driest months (with the lowest rainfall) are June and July (95mm).

  • The average rainfall days in May: 15 days

Months with the highest number of rainy days are February and March (19 days).
The month with the lowest number of rainy days is October (11 days).

  • The average sea temperature in May: 26.8°C

The best month for swimming (with the highest average sea temperature) is March (28.1°C).
Coldest months (with the lowest average sea temperature) are August and September (23.8°C).

  • The average daylight in May: 11h

Months with the longest days are January, February, October, November and December (Average daylight: 13h).
Months with shortest days are May, June, July and August (Average daylight: 11h).

  • The average sunshine in May: 9h

Months with most sunshine are January and March (Average sunshine: 18h).
The month with least sunshine is August (Average sunshine: 3h).

  • The average UV index in May: 7

Months with the highest UV index are January, February, March, November and December (UV index 12).
Months with the lowest UV index are June and July (UV index 6).