Hiva Oa weather by month & the best time to visit
French Polynesia · beach resort · semi-arid climate
The best time to visit Hiva Oa is September — its sunniest month (Sunshine Score 97/100), with August and October close behind. Hiva Oa averages about 3,478 hours of sunshine a year. Daytime highs around 24°C / 75°F and roughly 16 mm of rain in September.
When is the best time to visit Hiva Oa?
For sunshine, the best time to visit Hiva Oa is September, then August and October. The dullest month is March (90/100, 54 mm of rain). The full month-by-month picture is in the table below.
How sunny is Hiva Oa?
Hiva Oa is one of the sunniest places on Earth: about 3,478 hours of sunshine a year. Conditions barely change through the year — only 7 Sunshine Score points separate September from March. It ranks #4 of 25 destinations in French Polynesia for annual sunshine, above the national median of 3,026 hours. The year's 391 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 | 92 | 25° / 77°F | 24° / 75°F | 43 mm | 14 | 29° / 84°F |
| February | 93 | 25° / 77°F | 24° / 75°F | 38 mm | 15 | 29° / 84°F |
| March | 90 | 25° / 77°F | 25° / 77°F | 54 mm | 14 | 29° / 84°F |
| April | 91 | 25° / 77°F | 25° / 77°F | 46 mm | 13 | 30° / 86°F |
| May | 92 | 25° / 77°F | 24° / 75°F | 43 mm | 11 | 29° / 84°F |
| June | 94 | 25° / 77°F | 24° / 75°F | 30 mm | 10 | 29° / 84°F |
| July | 95 | 24° / 75°F | 23° / 73°F | 25 mm | 10 | 28° / 82°F |
| August | 96 | 24° / 75°F | 23° / 73°F | 20 mm | 12 | 28° / 82°F |
| September | 97 | 24° / 75°F | 23° / 73°F | 16 mm | 13 | 28° / 82°F |
| October | 96 | 24° / 75°F | 23° / 73°F | 20 mm | 14 | 28° / 82°F |
| November | 94 | 24° / 75°F | 24° / 75°F | 32 mm | 14 | 28° / 82°F |
| December | 95 | 25° / 77°F | 24° / 75°F | 24 mm | 14 | 28° / 82°F |
Sea temperature in Hiva Oa by month
The sea off Hiva Oa is warmest in April at around 30°C / 86°F, and coolest in July 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.
Nearest destinations
Hiva Oa: questions and answers
What kind of destination is Hiva Oa?
Hiva Oa is a beach resort in French Polynesia at 442 m elevation with a semi-arid climate — the sea reaches 30°C at its warmest and is swimmable (21°C+) year-round.
How many hours of sunshine does Hiva Oa get a year?
Hiva Oa gets about 3,478 hours of sunshine a year, at its best around September.
When is the best time to visit Hiva Oa?
The sunniest time to visit Hiva Oa is September, when the Sunshine Score peaks at 97/100 (with August and October close behind). Expect daytime highs around 24°C / 75°F.
What is the least sunny month in Hiva Oa?
March is the least sunny month in Hiva Oa, scoring 90/100 with about 54 mm of rain.
What is the sea temperature in Hiva Oa?
The sea in Hiva Oa ranges from about 28°C (July) to 30°C (April). Month-by-month sea temperatures are on this page.
How strong is the sun in Hiva Oa?
The typical midday UV index in Hiva Oa peaks around 15 (extreme) in February, easing to about 10 (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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