When planning a visit to Tanna Island in Vanuatu, it helps to know that temperatures typically range from 24°C (75°F) in August up to 30°C (86°F) during the peak of February. Our detailed climate overview is based on data from Tanna Island, the region's most well-known city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
In Tanna Island, during the months of May, June, July, August, September and October you can expect comfortable weather, with average temperatures ranging from 25°C (77°F) to 27°C (81°F).
Precipitation in Tanna Island varies considerably throughout the year. The wettest conditions occur in March with 249 mm (9.8 in) of rain, while August stays relatively dry with 83 mm (3.3 in). The region experiences its rainy season during January, February, March and April, when monthly rainfall can range from 197 mm (7.8 in) to 249 mm (9.8 in).