Tanna weather in August 2025

Expect 24°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Tanna in August. Check more long-term weather averages for Tanna in August before you book your next holiday to Vanuatu in 2025/2026.

  • 24°C maximum daytime temperature in August in Tanna24
    24°C max day temperature
  • 6 hours of sunshine per day
  • 17 days with some rainfall in August in Tanna17
    17 days with some rainfall
  • 16°C minimum night-time temperature in August in Tanna16
    16°C min night temperature
  • 11 hours of daylight per day in August in Tanna11
    11 hours of daylight per day
  • No heat & humidity in August in Tanna0
    No heat & humidity
  • 178 mm monthly rainfall in August in Tanna178
    178 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in August in Tanna9
    9 (Very High) UV index
  • 24°C sea temperature in August in Tanna24
    24°C sea temperature

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The August weather guide for Vanuatu (Tanna) 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.

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

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How hot is it in Tanna in August?

Daytime temperatures usually reach 24°C in Tanna in August, falling to 16°C at night.

How sunny is it in Tanna in August?

There are normally 6 hours of bright sunshine each day in Tanna in August - that's 54% of daylight hours.

How warm is the sea around Tanna in August?

The average sea temperature around Tanna in August is 24°C.

Does it rain in Tanna in August?

There are usually 17 days with some rain in Tanna in August and the average monthly rainfall is 178mm.

Tanna August sunrise & sunset times

Browse the sunrise and sunset times for Tanna in August 2025. Select a month to view Tanna sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 06:12 17:27
Saturday, 16th August 2025 06:04 17:31
Sunday, 31st August 2025 05:52 17:35

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