Tonga weather in August 2025

Expect daytime maximum temperatures of 25°C in Tonga in August based on long-term weather averages. There is typically108 mm of rainfall in the month.

  • 25°C maximum daytime temperature in August in Tonga (Nuku'alofa)25
    25°C max day temperature
  • 3 days with some rainfall in August in Tonga (Nuku'alofa)3
    3 days with some rainfall
  • 20°C minimum night-time temperature in August in Tonga (Nuku'alofa)20
    20°C min night temperature
  • 11 hours of daylight per day in August in Tonga (Nuku'alofa)11
    11 hours of daylight per day
  • Low heat & humidity in August in Tonga (Nuku'alofa)L
    Low heat & humidity
  • 108 mm monthly rainfall in August in Tonga (Nuku'alofa)108
    108 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Tonga (Nuku'alofa)8
    8 (Very High) UV index
  • 23°C sea temperature in August in Tonga (Nuku'alofa)23
    23°C sea temperature

More about Tonga

Tonga by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Tonga

Hostelworld: Top deals on accommodation

  • Explore cheap accommodation around the world
  • Choose from over 36,000 properties in over 170 countries
  • Get instant confirmation & 24/7 customer service
Go to Hostelworld deal >>

View all Hostelworld offers

The August weather guide for Tonga (Nuku'alofa) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Tonga destinations

Below are average maximum temperatures at popular countries, regions and places in Tonga in August. Select a holiday destination to see more weather parameters.

All Tonga destinations

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

Back to top

How hot is it in Tonga in August?

Daytime temperatures usually reach 25°C in Nuku'alofa, Tonga in August with low heat and humidity, falling to 20°C at night.

How warm is the sea around Tonga in August?

The average sea temperature around Nuku'alofa, Tonga in August is 23°C.

Does it ever rain in Tonga in August?

There are usually 3 days with some rain in Nuku'alofa, Tonga in August and the average monthly rainfall is 108mm.

Tonga August sunrise & sunset times

Browse the sunrise and sunset times for Tonga in August 2025. Select a month to view Tonga sunrise and sunset times for the next 12 months. The Tonga sunrise and sunset times shown below are for Nuku'alofa.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 07:12 18:22
Saturday, 16th August 2025 07:03 18:27
Sunday, 31st August 2025 06:51 18:31

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^