December 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

What is the temperature in December in Nuku'alofa?

The average high-temperature, in December, in Nuku'alofa, is 28.7°C (83.7°F), while the average low-temperature is 22.5°C (72.5°F).

How much does it rain in Nuku'alofa in December?

In Nuku'alofa, Tonga, in December, during 15 rainfall days, typically 175mm (6.9") of precipitation is accumulated.
Average temperature in December - Nuku
  • Average high temperature in December: 28.7°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).

  • Average low temperature in December: 22.5°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).

Average humidity in December - Nuku
  • Average humidity in December: 75%

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

Average rainfall in December - Nuku
  • Average rainfall in December: 175mm

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

Average rainfall days in December - Nuku
  • Average rainfall days in December: 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).

Average sea temperature in December - Nuku
  • Average sea temperature in December: 26.6°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).

Average daylight in December / Average sunshine in December - Nuku
  • Average daylight in December: 13.4h

The month with the longest days is December (Average daylight: 13.4h).
The month with shortest days is June (Average daylight: 10.9h).

  • Average sunshine in December: 12h

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

Average UV index in December - Nuku
  • Average UV index in December: 12

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).