Aitutaki weather by month & the best time to visit
Cook Islands · beach resort · tropical monsoon climate
The best time to visit Aitutaki is June — its sunniest month (Sunshine Score 85/100), with August and July close behind. Aitutaki averages about 2,728 hours of sunshine a year. Daytime highs around 26°C / 79°F and roughly 57 mm of rain in June.
When is the best time to visit Aitutaki?
For sunshine, the best time to visit Aitutaki is June, then August and July. The dullest month is January (68/100, 217 mm of rain). The full month-by-month picture is in the table below.
How sunny is Aitutaki?
Aitutaki gets a lot of sun: around 2,728 hours a year. June (85/100) is noticeably better than January (68). It ranks #2 of 6 destinations in Cook Islands for annual sunshine, above the national median of 2,719 hours. The year's 1,603 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 | 68 | 27° / 81°F | 27° / 81°F | 217 mm | 12 | 28° / 82°F |
| February | 68 | 28° / 82°F | 27° / 81°F | 211 mm | 13 | 29° / 84°F |
| March | 68 | 28° / 82°F | 27° / 81°F | 186 mm | 12 | 29° / 84°F |
| April | 68 | 27° / 81°F | 27° / 81°F | 175 mm | 9 | 29° / 84°F |
| May | 69 | 27° / 81°F | 26° / 79°F | 141 mm | 7 | 28° / 82°F |
| June | 85 | 26° / 79°F | 25° / 77°F | 57 mm | 7 | 27° / 81°F |
| July | 83 | 25° / 77°F | 24° / 75°F | 64 mm | 7 | 26° / 79°F |
| August | 84 | 25° / 77°F | 24° / 75°F | 58 mm | 9 | 26° / 79°F |
| September | 82 | 25° / 77°F | 24° / 75°F | 71 mm | 10 | 26° / 79°F |
| October | 78 | 25° / 77°F | 25° / 77°F | 91 mm | 11 | 26° / 79°F |
| November | 71 | 26° / 79°F | 25° / 77°F | 133 mm | 12 | 27° / 81°F |
| December | 68 | 27° / 81°F | 26° / 79°F | 199 mm | 12 | 27° / 81°F |
Sea temperature in Aitutaki by month
The sea off Aitutaki is warmest in February 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
.jpg/500px-Mitiaro%2C_Cook_Islands_in_1988_(Lakes).jpg)
Aitutaki: questions and answers
What kind of destination is Aitutaki?
Aitutaki is a beach resort in Cook Islands 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 Aitutaki get a year?
Aitutaki gets about 2,728 hours of sunshine a year, at its best around June.
When is the best time to visit Aitutaki?
The sunniest time to visit Aitutaki is June, when the Sunshine Score peaks at 85/100 (with August and July close behind). Expect daytime highs around 26°C / 79°F.
What is the least sunny month in Aitutaki?
January is the least sunny month in Aitutaki, scoring 68/100 with about 217 mm of rain.
What is the sea temperature in Aitutaki?
The sea in Aitutaki ranges from about 26°C (July) to 29°C (February). Month-by-month sea temperatures are on this page.
How strong is the sun in Aitutaki?
The typical midday UV index in Aitutaki peaks around 13 (extreme) in February, easing to about 7 (high) in May. Month-by-month midday UV values are in the UV column of the table on this page.
Put the Aitutaki sunshine badge on your site
A compact badge showing Aitutaki'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: