Tanna Island weather by month & the best time to visit
🇻🇺 Vanuatu · beach resort · tropical monsoon climate
The best time to visit Tanna Island is August — its sunniest month (Sunshine Score 84/100), with September and July close behind. Tanna Island averages about 2,654 hours of sunshine a year. Daytime highs around 23°C / 73°F and roughly 59 mm of rain in August.
Jump to: month-by-month table · sea temperature · nearby alternatives · embed this data
- Sun hours / year
- 2,654
- Sunniest month
- August
- Peak score
- 84/100
- Rain / year
- 1,386 mm
- Midday UV at peak
- 13 (extreme)
- Sea at warmest
- 29°C / 84°F
- Population
- 1k
- Elevation
- 7 m
.jpg)
When is the best time to visit Tanna Island?
For sunshine, the best time to visit Tanna Island is August, then September and July. The dullest month is January (67/100, 175 mm of rain). The full month-by-month picture is in the table below.
How sunny is Tanna Island?
Tanna Island gets a lot of sun: around 2,654 hours a year. August (84/100) is noticeably better than January (67). Tanna Island is the sunniest of the 16 destinations tracked in Vanuatu. The year's 1,386 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 67 | 27° / 81°F | 26° / 79°F | 175 mm | 13 | 29° / 84°F |
| February | 67 | 28° / 82°F | 27° / 81°F | 156 mm | 13 | 29° / 84°F |
| March | 67 | 28° / 82°F | 27° / 81°F | 210 mm | 11 | 29° / 84°F |
| April | 67 | 27° / 81°F | 26° / 79°F | 185 mm | 9 | 28° / 82°F |
| May | 75 | 26° / 79°F | 25° / 77°F | 106 mm | 7 | 26° / 79°F |
| June | 79 | 25° / 77°F | 24° / 75°F | 84 mm | 6 | 26° / 79°F |
| July | 82 | 24° / 75°F | 23° / 73°F | 67 mm | 6 | 26° / 79°F |
| August | 84 | 23° / 73°F | 22° / 72°F | 59 mm | 7 | 25° / 77°F |
| September | 84 | 24° / 75°F | 23° / 73°F | 56 mm | 9 | 25° / 77°F |
| October | 79 | 25° / 77°F | 24° / 75°F | 86 mm | 10 | 25° / 77°F |
| November | 79 | 25° / 77°F | 25° / 77°F | 86 mm | 11 | 27° / 81°F |
| December | 73 | 27° / 81°F | 26° / 79°F | 116 mm | 12 | 28° / 82°F |
Sea temperature in Tanna Island by month
The sea off Tanna Island is warmest in January at around 29°C / 84°F, and coolest in August at 25°C / 77°F. The water sits at a comfortable 21°C or warmer roughly all year round. Month-by-month sea-surface temperatures are in the Sea column of the table above.
See Tanna Island on the interactive sunshine globe →
Nearby places for sunshine
- Port Vila Vanuatu · 217 km · best in Aug · 2,538 h sun/yr
- Nouméa New Caledonia · 423 km · best in Sep · 2,762 h sun/yr
- Nouméa (La Tontouta) New Caledonia · 423 km · best in Sep · 2,761 h sun/yr
- Luganville Vanuatu · 488 km · best in Aug · 2,396 h sun/yr
- Nadi Fiji · 886 km · best in Jul · 2,625 h sun/yr
- Suva Fiji · 995 km · best in Jul · 2,348 h sun/yr
Nearest destinations
- Tiga New Caledonia · 235 km · 2,745 h sun/yr · best in Sep
- Lifou New Caledonia · 254 km · 2,722 h sun/yr · best in Sep
- Maré New Caledonia · 257 km · 2,791 h sun/yr · best in Sep
- Tongoa Vanuatu · 294 km · 2,324 h sun/yr · best in Aug
- Ouvéa New Caledonia · 307 km · 2,854 h sun/yr · best in Sep
Put the Tanna Island sunshine badge on your site
A compact badge showing Tanna Island's sunshine at a glance — free to embed under CC BY 4.0. Paste this wherever you'd like it to appear:
Live preview — this is exactly what your readers see: