Tanna weather in January 2026

Expect daytime maximum temperatures of 28°C in Tanna in January and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 19 days with some rainfall and typically 334 mm of rainfall in the month.

  • 28°C maximum daytime temperature in January in Tanna28
    28°C max day temperature
  • 7 hours of sunshine per day
  • 19 days with some rainfall in January in Tanna19
    19 days with some rainfall
  • 21°C minimum night-time temperature in January in Tanna21
    21°C min night temperature
  • 13 hours of daylight per day in January in Tanna13
    13 hours of daylight per day
  • High heat & humidity in January in TannaH
    High heat & humidity
  • 334 mm monthly rainfall in January in Tanna334
    334 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in January in Tanna11
    11+ (Extreme) UV index
  • 28°C sea temperature in January in Tanna28
    28°C sea temperature

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The January 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 January?

Daytime temperatures usually reach 28°C in Tanna in January with high heat and humidity, falling to 21°C at night.

How sunny is it in Tanna in January?

There are normally 7 hours of bright sunshine each day in Tanna in January - that's 53% of daylight hours.

How warm is the sea around Tanna in January?

The average sea temperature around Tanna in January is 28°C.

Does it rain in Tanna in January?

There are usually 19 days with some rain in Tanna in January and the average monthly rainfall is 334mm.

What is the chance of a cyclone in Tanna in January?

On average 1.1 days in January in Tanna are likely to be affected by the passage of one or more tropical storms.

Tanna January sunrise & sunset times

Browse the sunrise and sunset times for Tanna in January 2026. Select a month to view Tanna sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 05:08 18:25
Friday, 16th January 2026 05:18 18:28
Saturday, 31st January 2026 05:27 18:26

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