Mitiaro weather by month & the best time to visit

🇨🇰 Cook Islands · beach resort · tropical rainforest climate

The best time to visit Mitiaro is June — its sunniest month (Sunshine Score 84/100), with July and August close behind. Mitiaro averages about 2,722 hours of sunshine a year. Daytime highs around 25°C / 77°F and roughly 62 mm of rain in June.

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Sun hours / year

2,722

Sunniest month

June

Peak score

84/100

Rain / year

1,616 mm

Midday UV at peak

13 (extreme)

Sea at warmest

29°C / 84°F

Elevation

10 m

When is the best time to visit Mitiaro?

For sunshine, the best time to visit Mitiaro is June, then July and August. The dullest month is January (67/100, 214 mm of rain). The full month-by-month picture is in the table below.

How sunny is Mitiaro?

Mitiaro gets a lot of sun: around 2,722 hours a year. June (84/100) is noticeably better than January (67). It ranks #3 of 6 destinations in Cook Islands for annual sunshine, above the national median of 2,719 hours. The year's 1,616 mm of rain spreads fairly evenly across the months, with no pronounced dry season.

Sunshine Score by month

Sea temperature in Mitiaro by month

The sea off Mitiaro is warmest in February at around 29°C / 84°F, and coolest in August 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 Mitiaro on the interactive sunshine globe →

Nearby places for sunshine

• Motu Mute French Polynesia · 734 km · best in Sep · 2,872 h sun/yr
• Papeete French Polynesia · 890 km · best in Sep · 2,742 h sun/yr
• Suva Fiji · 2,502 km · best in Jul · 2,348 h sun/yr
• Nadi Fiji · 2,625 km · best in Jul · 2,625 h sun/yr
• Tauranga New Zealand · 3,206 km · best in Jan · 2,513 h sun/yr
• Napier New Zealand · 3,264 km · best in Feb · 2,256 h sun/yr

Nearest destinations

• Atiu Island Cook Islands · 46 km · 2,715 h sun/yr · best in Jun
• Mauke Cook Islands · 50 km · 2,665 h sun/yr · best in Jun
• Aitutaki Cook Islands · 244 km · 2,728 h sun/yr · best in Jun
• Avarua Cook Islands · 266 km · 2,624 h sun/yr · best in Jun
• Rimatara French Polynesia · 595 km · 2,589 h sun/yr · best in Sep