Ofu weather by month & the best time to visit
American Samoa · beach resort · tropical rainforest climate
The best time to visit Ofu is August — its sunniest month (Sunshine Score 84/100), with July and June close behind. Ofu averages about 2,727 hours of sunshine a year. Daytime highs around 27°C / 81°F and roughly 60 mm of rain in August.
When is the best time to visit Ofu?
For sunshine, the best time to visit Ofu is August, then July and June. The dullest month is January (68/100, 273 mm of rain). The full month-by-month picture is in the table below.
How sunny is Ofu?
Ofu gets a lot of sun: around 2,727 hours a year. August (84/100) is noticeably better than January (68). It ranks #2 of 3 destinations in American Samoa for annual sunshine, right at the national median of 2,727 hours. Rain has a clear season: the wettest stretch, around January, carries about 41% of the annual 1,894 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 68 | 29° / 84°F | 28° / 82°F | 273 mm | 12 | 30° / 86°F |
| February | 68 | 28° / 82°F | 28° / 82°F | 253 mm | 13 | 30° / 86°F |
| March | 68 | 29° / 84°F | 28° / 82°F | 168 mm | 12 | 31° / 88°F |
| April | 68 | 29° / 84°F | 28° / 82°F | 172 mm | 10 | 31° / 88°F |
| May | 71 | 28° / 82°F | 28° / 82°F | 130 mm | 9 | 30° / 86°F |
| June | 80 | 28° / 82°F | 28° / 82°F | 80 mm | 8 | 29° / 84°F |
| July | 81 | 28° / 82°F | 27° / 81°F | 75 mm | 8 | 28° / 82°F |
| August | 84 | 27° / 81°F | 27° / 81°F | 60 mm | 10 | 28° / 82°F |
| September | 79 | 28° / 82°F | 27° / 81°F | 86 mm | 11 | 28° / 82°F |
| October | 70 | 28° / 82°F | 27° / 81°F | 135 mm | 12 | 28° / 82°F |
| November | 68 | 28° / 82°F | 27° / 81°F | 216 mm | 12 | 29° / 84°F |
| December | 68 | 28° / 82°F | 28° / 82°F | 246 mm | 12 | 30° / 86°F |
Sea temperature in Ofu by month
The sea off Ofu is warmest in March at around 31°C / 88°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
Ofu: questions and answers
What kind of destination is Ofu?
Ofu is a beach resort in American Samoa 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 Ofu get a year?
Ofu gets about 2,727 hours of sunshine a year, at its best around August.
When is the best time to visit Ofu?
The sunniest time to visit Ofu is August, when the Sunshine Score peaks at 84/100 (with July and June close behind). Expect daytime highs around 27°C / 81°F.
What is the least sunny month in Ofu?
January is the least sunny month in Ofu, scoring 68/100 with about 273 mm of rain.
What is the sea temperature in Ofu?
The sea in Ofu ranges from about 28°C (July) to 31°C (March). Month-by-month sea temperatures are on this page.
How strong is the sun in Ofu?
The typical midday UV index in Ofu peaks around 13 (extreme) in February, 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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