Wallis Island weather by month & the best time to visit
Wallis & Futuna · beach resort · tropical rainforest climate
The best time to visit Wallis Island is August — its sunniest month (Sunshine Score 78/100), with July and September close behind. Wallis Island averages about 2,633 hours of sunshine a year. Daytime highs around 28°C / 82°F and roughly 87 mm of rain in August.
When is the best time to visit Wallis Island?
For sunshine, the best time to visit Wallis Island is August, then July and September. The dullest month is January (67/100, 306 mm of rain). The full month-by-month picture is in the table below.
How sunny is Wallis Island?
Wallis Island gets a lot of sun: around 2,633 hours a year. Conditions barely change through the year — only 11 Sunshine Score points separate August from January. It is the sunnier of the two destinations tracked in Wallis & Futuna. The year's 2,219 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 | 29° / 84°F | 28° / 82°F | 306 mm | 12 | 31° / 88°F |
| February | 67 | 28° / 82°F | 28° / 82°F | 266 mm | 12 | 30° / 86°F |
| March | 67 | 28° / 82°F | 28° / 82°F | 215 mm | 12 | 31° / 88°F |
| April | 67 | 29° / 84°F | 28° / 82°F | 187 mm | 10 | 31° / 88°F |
| May | 67 | 29° / 84°F | 28° / 82°F | 151 mm | 9 | 30° / 86°F |
| June | 70 | 28° / 82°F | 28° / 82°F | 131 mm | 8 | 30° / 86°F |
| July | 75 | 28° / 82°F | 27° / 81°F | 105 mm | 9 | 29° / 84°F |
| August | 78 | 28° / 82°F | 27° / 81°F | 87 mm | 10 | 28° / 82°F |
| September | 74 | 28° / 82°F | 27° / 81°F | 111 mm | 11 | 28° / 82°F |
| October | 67 | 28° / 82°F | 27° / 81°F | 178 mm | 12 | 29° / 84°F |
| November | 67 | 28° / 82°F | 27° / 81°F | 225 mm | 12 | 29° / 84°F |
| December | 67 | 28° / 82°F | 28° / 82°F | 257 mm | 12 | 30° / 86°F |
Sea temperature in Wallis Island by month
The sea off Wallis Island is warmest in January at around 31°C / 88°F, and coolest in August at 28°C / 82°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.
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Wallis Island: questions and answers
What kind of destination is Wallis Island?
Wallis Island is a beach resort in Wallis & Futuna with a tropical rainforest climate — the sea reaches 31°C at its warmest and is swimmable (21°C+) year-round.
How many hours of sunshine does Wallis Island get a year?
Wallis Island gets about 2,633 hours of sunshine a year, at its best around August.
When is the best time to visit Wallis Island?
The sunniest time to visit Wallis Island is August, when the Sunshine Score peaks at 78/100 (with July and September close behind). Expect daytime highs around 28°C / 82°F.
What is the least sunny month in Wallis Island?
January is the least sunny month in Wallis Island, scoring 67/100 with about 306 mm of rain.
What is the sea temperature in Wallis Island?
The sea in Wallis Island ranges from about 28°C (August) to 31°C (January). Month-by-month sea temperatures are on this page.
How strong is the sun in Wallis Island?
The typical midday UV index in Wallis Island peaks around 12 (extreme) in January, easing to about 8 (very high) in June. Month-by-month midday UV values are in the UV column of the table on this page.
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