Atiu Island weather by month & the best time to visit

🇨🇰 Cook Islands · beach resort · tropical monsoon climate

The best time to visit Atiu Island is June — its sunniest month (Sunshine Score 84/100), with August and July close behind. Atiu Island averages about 2,715 hours of sunshine a year. Daytime highs around 25°C / 77°F and roughly 58 mm of rain in June.

Jump to: month-by-month table · sea temperature · nearby alternatives · embed this data

Sun hours / year

2,715

Sunniest month

June

Peak score

84/100

Rain / year

1,613 mm

Midday UV at peak

12 (extreme)

Sea at warmest

29°C / 84°F

Population

570

Elevation

13 m

When is the best time to visit Atiu Island?

For sunshine, the best time to visit Atiu Island is June, then August and July. The dullest month is January (67/100, 210 mm of rain). The full month-by-month picture is in the table below.

How sunny is Atiu Island?

Atiu Island gets a lot of sun: around 2,715 hours a year. June (84/100) is noticeably better than January (67). It ranks #4 of 6 destinations in Cook Islands for annual sunshine, below the national median of 2,719 hours. The year's 1,613 mm of rain spreads fairly evenly across the months, with no pronounced dry season.

Sunshine Score by month

Sea temperature in Atiu Island by month

The sea off Atiu Island is warmest in February at around 29°C / 84°F, and coolest in July at 25°C / 77°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.

See Atiu Island on the interactive sunshine globe →

Nearby places for sunshine

• Motu Mute French Polynesia · 778 km · best in Sep · 2,872 h sun/yr
• Papeete French Polynesia · 935 km · best in Sep · 2,742 h sun/yr
• Suva Fiji · 2,459 km · best in Jul · 2,348 h sun/yr
• Nadi Fiji · 2,581 km · best in Jul · 2,625 h sun/yr
• Tauranga New Zealand · 3,165 km · best in Jan · 2,513 h sun/yr
• Napier New Zealand · 3,225 km · best in Feb · 2,256 h sun/yr

Nearest destinations

• Mitiaro Cook Islands · 46 km · 2,722 h sun/yr · best in Jun
• Mauke Cook Islands · 83 km · 2,665 h sun/yr · best in Jun
• Aitutaki Cook Islands · 214 km · 2,728 h sun/yr · best in Jun
• Avarua Cook Islands · 223 km · 2,624 h sun/yr · best in Jun
• Rimatara French Polynesia · 625 km · 2,589 h sun/yr · best in Sep