Vava'u weather by month & the best time to visit
Tonga · beach resort · tropical monsoon climate
The best time to visit Vava'u is July — its sunniest month (Sunshine Score 84/100), with August and September close behind. Vava'u averages about 2,667 hours of sunshine a year. Daytime highs around 25°C / 77°F and roughly 58 mm of rain in July.
When is the best time to visit Vava'u?
For sunshine, the best time to visit Vava'u is July, then August and September. The dullest month is January (67/100, 229 mm of rain). The full month-by-month picture is in the table below.
How sunny is Vava'u?
Vava'u gets a lot of sun: around 2,667 hours a year. July (84/100) is noticeably better than January (67). It ranks #2 of 5 destinations in Tonga for annual sunshine, above the national median of 2,663 hours. The year's 1,649 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 | 27° / 81°F | 229 mm | 13 | 29° / 84°F |
| February | 67 | 28° / 82°F | 27° / 81°F | 192 mm | 13 | 29° / 84°F |
| March | 67 | 28° / 82°F | 27° / 81°F | 187 mm | 12 | 29° / 84°F |
| April | 67 | 27° / 81°F | 26° / 79°F | 180 mm | 9 | 28° / 82°F |
| May | 73 | 26° / 79°F | 25° / 77°F | 118 mm | 7 | 28° / 82°F |
| June | 75 | 25° / 77°F | 25° / 77°F | 107 mm | 6 | 27° / 81°F |
| July | 84 | 25° / 77°F | 24° / 75°F | 58 mm | 7 | 26° / 79°F |
| August | 83 | 24° / 75°F | 24° / 75°F | 64 mm | 8 | 26° / 79°F |
| September | 79 | 25° / 77°F | 24° / 75°F | 88 mm | 10 | 26° / 79°F |
| October | 72 | 25° / 77°F | 25° / 77°F | 121 mm | 11 | 26° / 79°F |
| November | 70 | 26° / 79°F | 25° / 77°F | 136 mm | 12 | 27° / 81°F |
| December | 67 | 27° / 81°F | 26° / 79°F | 169 mm | 12 | 28° / 82°F |
Sea temperature in Vava'u by month
The sea off Vava'u is warmest in January at around 29°C / 84°F, and coolest in July at 26°C / 79°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.
Nearest destinations
Vava'u: questions and answers
What kind of destination is Vava'u?
Vava'u is a beach resort in Tonga with a tropical monsoon climate — the sea reaches 29°C at its warmest and is swimmable (21°C+) year-round.
How many hours of sunshine does Vava'u get a year?
Vava'u gets about 2,667 hours of sunshine a year, at its best around July.
When is the best time to visit Vava'u?
The sunniest time to visit Vava'u is July, when the Sunshine Score peaks at 84/100 (with August and September close behind). Expect daytime highs around 25°C / 77°F.
What is the least sunny month in Vava'u?
January is the least sunny month in Vava'u, scoring 67/100 with about 229 mm of rain.
What is the sea temperature in Vava'u?
The sea in Vava'u ranges from about 26°C (July) to 29°C (January). Month-by-month sea temperatures are on this page.
How strong is the sun in Vava'u?
The typical midday UV index in Vava'u peaks around 13 (extreme) in January, easing to about 6 (high) in June. Month-by-month midday UV values are in the UV column of the table on this page.
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