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Tanna Island Weather and Climate: A Comprehensive Guide

Tanna Island has pretty similar weather over the course of the year. It also experiences much rainfall throughout the year. Now, let’s break down all the climate details for a clearer picture.

Average maximum day and minimum night temperature

In Tanna Island temperatures are generally consistent throughout the year. Average daytime temperatures reach a comfortable 30°C in February. In August, the coolest month of the year, temperatures drop to a comfortable 25°C.

At night, you can expect cooler temperatures, with averages dropping to around 20°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Tanna Island experiences significant rainfall throughout the year, averaging 1785 mm of precipitation annually. Tanna Island can be quite wet during March, receiving approximately 249 mm of precipitation over 22 rainy days.

In contrast August, experiences much drier conditions, with 83 mm of rainfall, spread across 17 rainy days. For more details, please visit our Tanna Island Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Forecast for Tanna Island

Wed   Jan 15
30°C | 20°C
N 3 m/s
12 mm
broken clouds and thunder

broken clouds and thunder

Thu   Jan 16
32°C | 20°C
NW 5 m/s
4 mm
partly cloudy and rain

partly cloudy and rain

Fri   Jan 17
33°C | 20°C
W 3 m/s
0.9 mm
partly cloudy and  chance of rain

partly cloudy and chance of rain

Select a Month of Interest

Check the conditions for any month of the year.

The best time of year to visit Tanna Island in Vanuatu

During the months of June, July, August and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is the rainy season in Tanna Island?
    Rainy season in Tanna Island occurs in the months of January, February, March, April and December.
  • Which is the warmest month in Tanna Island?
    February has an average maximum temperature of 30°C and is the warmest month of the year.
  • Which is the coldest month in Tanna Island?
    The coldest month is August with an average maximum temperature of 25°C.
  • Which is the wettest month in Tanna Island?
    March tops the wettest month list with 249 mm of rainfall.
  • Which is the driest month in Tanna Island?
    August is the driest month with 83 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.