Tonga weather averages for holidays in 2017/2018

Check Tonga weather averages before you book your next holiday in 2017/2018. Today's maximum temperature in Tonga is expected to be 29°C, while the average maximum temperature in March is 29°C. The weather guide for Tonga shown below is for Nuku'alofa. Read more about the weather in Tonga.

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Tonga weather averages

Check Tonga weather averages before you book your next holiday. The warmest months in Tonga are January, February and March with an average maximum temperature of 29°C. The month with the least number of days with some rain is August with 3 days. The sea is at its warmest in Tonga in January, February, March and April with an average sea temperature of 27°C. The Tonga weather averages shown below are for Nuku'alofa.

Maximum daytime temperature (°C)

Days with some rainfall

Sea temperature (°C)

More weather parameters

Metric (°C / mm)  |  Imperial (°F / inches)

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Tonga weather today

Here is the weather in Tonga today, Saturday 25th March 2017. Expect isolated thunderstorms in Tonga with a maximum temperature of 29°C, moderate levels of heat & humidity and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 56% chance of some rain and a moderate breeze of 20 kph from the east. The weather forecast shown below is for Nuku'alofa.

  • 29
    °C maximum temperature
  • 25
    °C minimum temperature
  • isolated thunderstorms
  • 5
    hours of sunshine
  • 56
    % chance of some rain
  • <2
    mm of rainfall expected
  • M
    moderate heat & humidity
  • 20
    kph wind from E

5-day weather forecast

Metric (°C / mm)  |  Imperial (°F / inches)

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Tonga weather overview

Tonga comprises three groups of islands situated southeast of Fiji. These islands share a tropical oceanic climate, which means high temperatures and rain year round, with heaviest downpours occurring between December and April - the hottest and most humid months of the year. However, sea breezes modify humidity along the islands' coasts.

Although heavy cloud cover can mean a few miserable days in the wettest periods, this is comparatively rare. Generally speaking, the islands enjoy frequent bouts of strong sunshine between rain showers.

What to pack for Tonga weather

Pack light clothes with warmer wraps for the evenings and mountain trips. Be prepared for rain at any time of year.

Tropical storm risk: Tonga cyclone season

% of month affected by tropical storms
2%
2%
2%
1%
0
0
0
0
0
<1%
<1%
1%
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

The Tonga tropical storm risk chart above shows the cyclone season for Nuku'alofa, Tonga.

More about tropical storms

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Tonga holiday weather averages by month

Check Tonga holiday weather averages for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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Compare Tonga weather with the USA

Below the Tonga weather chart shows maximum daytime temperature for Tonga (Nuku'alofa) and the USA (Washington). For more weather parameters or to change the destinations shown visit the comparison weather tool.

Maximum daytime temperature (°C)

Tonga (Nuku'alofa)
USA (Washington)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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