An alternative way to discover Sydney
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Tanna Island Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Tanna Island.
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Climate overview of Tanna Island
The climate in Tanna Island, Tanna Island, Vanuatu, is remarkably consistent, with temperatures year-round averaging 27°C (81°F). The warmest month is February at 30°C (86°F), and the coolest is August at 25°C (77°F).
With around 1785 mm (70 in) of annual rainfall, Tanna Island has a notably wet climate. However, this rainfall is not evenly distributed, the city has a distinct rainy season from January to April. The wettest month is March.
Tanna Island Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Tanna Island - and find the best time to visit.
Monthly Temperature in Tanna Island
In Tanna Island temperatures are generally consistent throughout the year. Average daytime temperatures reach a comfortable 30°C (86°F) in February. In August, the coolest month of the year, temperatures drop to a comfortable 25°C (77°F).
At night, temperatures range from around 25°C (77°F) in February to 20°C (68°F) in August.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Tanna Island
Tanna Island experiences significant rainfall throughout the year, averaging 1785 mm (70 in) of precipitation annually. Tanna Island can be quite wet during March, receiving approximately 249 mm (9.8 in) of precipitation over 22 rainy days.
In contrast, during the driest month (August), you will experience much drier conditions, with 83 mm (3.3 in) of precipitation 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
The average number of days each month with precipitation
Best Time to Visit Tanna Island
For comfortable weather, consider visiting Tanna Island in July, August, September and October. Conditions are usually least favourable in February.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
mixed
Feb
very wet
Mar
mixed
Apr
good
May
very good
Jun
very good
Jul
excellent
Aug
excellent
Sep
excellent
Oct
excellent
Nov
very good
Dec
very good
- Best overall: July, August, September and October
- Warmest weather: January, February, March, April and December
- Seasonal pattern: A distinct rainy season from January to April
Frequently asked questions about the climate in Tanna Island
What is the best time to visit Tanna Island?
July, August, September and October typically offer the most optimal weather in Tanna Island. In contrast, February tends to have less optimal conditions. Tanna Island has a distinct rainy season from January to April.
What temperatures can I expect in Tanna Island?
Daytime highs range from 25°C (77°F) in August to 30°C (86°F) in February. Nighttime lows range from 20°C (68°F) to 25°C (77°F). Temperatures stay relatively stable year-round.
How much rain does Tanna Island get?
Annual rainfall is around 1785 mm (70 in). March is the wettest month with 249 mm (9.8 in), while August is the driest with 83 mm (3.3 in).
Tanna Island 3-Day Forecast
Tanna Island on the map
Tanna Island is highlighted - select any city to see its climate.
Popular in September
Where to go in September - average daytime high across popular destinations.
Lakatoro27°C (81°F) Saraotou
27°C (81°F) Norsup27°C (81°F) Luganville27°C (81°F) Hog Harbour27°C (81°F) Port-Havannah
26°C (79°F) Tanna Island25°C (77°F) Port Vila26°C (79°F) Bucket list
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