Tanna Island Weather in May
May in Tanna Island brings high temperatures around 27°C (81°F) during the day, dropping to 23°C (73°F) at night, with quite a bit of rainfall expected, averaging around 148 mm (5.8 in) for the month.
Rainfall in Tanna Island in May
The climate data from previous years indicates about 19 days of rain, averaging 148 mm (5.8 in) for the month. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.
Temperature in Tanna Island in May
Daytime highs in Tanna Island in May reach 27°C (81°F), with nights around 23°C (73°F). This kind of day-to-night contrast is typical for this time of year. At 23°C (73°F) overnight, nights are warm enough to sit outside comfortably in light clothing.Should you favor a climate that's both dry and comfortably warm, July, August, September and October typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Vanuatu, check out our Tanna Island's climate page.
Tanna Island Temperature in May
Min Temperature
23°C (73°F)
Max Temperature
27°C (81°F)
Chance of Rain
65%
Precipitation
148 mm (5.8 in)
Rainy days
19 days
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Tanna Island typically stay consistent throughout May, with daily highs averaging around 27°C (81°F). Nights are warm, with lows around 21°C (70°F).
Average temperatures in May
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Tanna Island in May
Browse day-by-day weather records for Tanna Island spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Tanna Island historical weather extremes in May
Our historical data for Tanna Island spans 2002 to 2026, revealing these weather extremes.
- On May 30, 2016, temperatures climbed to 35°C (95°F), marking the warmest May day on record.
- Tanna Island experienced its chilliest May day on May 27, 2018, reaching only 23°C (73°F).
- Nighttime temperatures dropped to 16°C (61°F) on May 13, 2019, marking the coldest May night on record.
Best Places in Vanuatu in May
Find out more about the weather in Vanuatu and which places have the best travel conditions in this month. See all of Vanuatu in May →
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What to Wear in Tanna Island in May
Warm but pleasant conditions in Tanna Island in May. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags.What To Do in Tanna Island in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Vanuatu, check out our Tanna Island's climate page.
See the full Tanna Island climate overview or explore weather in Vanuatu.
