Climate · Cook Islands

Aitutaki

Warm all year, wet from December to April and drier from June to September.

Typical weather, averaged over 30 years18.9°S10 m above the sea
  1. Jan80°27°Rain on about six days a week.
  2. Feb80°27°Rain on about six days a week.
  3. Mar80°27°Rain on about six days a week.
  4. Apr80°27°Rain on about five days a week.
  5. May79°26°Rain on about four days a week.
  6. Jun77°25°Rain on about three days a week.
  7. Jul76°24°Rain on about three days a week.
  8. Aug76°24°Rain on about three days a week.
  9. Sep76°24°Rain on about three days a week.
  10. Oct76°24°Rain on about three days a week.
  11. Nov78°26°Rain on about four days a week.
  12. Dec79°26°Rain on about five days a week.
Each month: its typical temperature, and dots for wet days a week. Tap a month to open it.The best months

The temperature hardly moves: a typical day sits between 76°F and 80°F all year. The rain comes from December to April, on about five days a week. June to September is the driest stretch, with rain on about three days a week. Daylight runs from about 11 hours in June to 13 hours in December.The temperature hardly moves: a typical day sits between 24°C and 27°C all year. The rain comes from December to April, on about five days a week. June to September is the driest stretch, with rain on about three days a week. Daylight runs from about 11 hours in June to 13 hours in December.

Where Aitutaki sits

Pacific/Rarotonga

this place
typical high in Januarytypical high in Februarytypical high in Marchtypical high in Apriltypical high in Maytypical high in Junetypical high in Julytypical high in Augusttypical high in Septembertypical high in Octobertypical high in Novembertypical high in December 40°F4°C95°F35°C
Latitude
18.9°Ssouthern hemisphere
Above the sea
10 mlow-lying
Sunrise, mid-JanuarySunrise, mid-FebruarySunrise, mid-MarchSunrise, mid-AprilSunrise, mid-MaySunrise, mid-JuneSunrise, mid-JulySunrise, mid-AugustSunrise, mid-SeptemberSunrise, mid-OctoberSunrise, mid-NovemberSunrise, mid-December
6:13 AM6:32 AM6:42 AM6:49 AM6:58 AM7:09 AM7:12 AM7:00 AM6:36 AM6:10 AM5:54 AM5:57 AMsets 7:22 PMsets 7:15 PMsets 6:56 PMsets 6:30 PMsets 6:12 PMsets 6:09 PMsets 6:18 PMsets 6:28 PMsets 6:33 PMsets 6:40 PMsets 6:54 PMsets 7:12 PM
Nearest of ours
Avarua264 km south

The land around Aitutaki, shaded by its typical high in January, the planning map's own layer.The land around Aitutaki, shaded by its typical high in February, the planning map's own layer.The land around Aitutaki, shaded by its typical high in March, the planning map's own layer.The land around Aitutaki, shaded by its typical high in April, the planning map's own layer.The land around Aitutaki, shaded by its typical high in May, the planning map's own layer.The land around Aitutaki, shaded by its typical high in June, the planning map's own layer.The land around Aitutaki, shaded by its typical high in July, the planning map's own layer.The land around Aitutaki, shaded by its typical high in August, the planning map's own layer.The land around Aitutaki, shaded by its typical high in September, the planning map's own layer.The land around Aitutaki, shaded by its typical high in October, the planning map's own layer.The land around Aitutaki, shaded by its typical high in November, the planning map's own layer.The land around Aitutaki, shaded by its typical high in December, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Through the year

week by week

Temperature

One typical temperature, from 76°F to 80°F through the year.One typical temperature, from 24°C to 27°C through the year.

Chance of a wet day

Wettest in March (81% of days), driest in August (37%).

Cloud cover

Clearest in August (47% cover), cloudiest in January (78%).

Daylight

From 11h 01m in June to 13h 15m in December.

Week by week, lightly smoothed. Shading marks the seasons; the olive line, the best months. Hover or tap a week for its figures.

Month by month

°F°C

Aitutaki, month by month: the typical high and low, wet days a week, cloud cover and daylight.
MonthTypical temperatureWet days a weekCloudDaylight
JanuaryRainy season
80°27°
6 days78%13h 07m
FebruaryRainy season
80°27°
6 days77%12h 44m
MarchRainy season
80°27°
6 days74%12h 14m
AprilRainy season
80°27°
5 days69%11h 41m
May
79°26°
4 days64%11h 14m
JuneDry seasonAt its best
77°25°
3 days54%11h 01m
JulyDry seasonAt its best
76°24°
3 days49%11h 07m
AugustDry seasonAt its best
76°24°
3 days47%11h 30m
SeptemberDry seasonAt its best
76°24°
3 days51%12h 02m
October
76°24°
3 days61%12h 34m
November
78°26°
4 days70%13h 02m
DecemberRainy season
79°26°
5 days77%13h 15m

When is the best time to visit Aitutaki?


The best months are June to September: around 76°F day and night, and rain on about three days a week.The best months are June to September: around 24°C day and night, and rain on about three days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

Questions


What is the warmest month in Aitutaki?

February and March, around 80°F day and night. The temperature changes little through the year.February and March, around 27°C day and night. The temperature changes little through the year.

When does it rain most in Aitutaki?

March, with rain on about six days a week. August is the driest, with rain on about three days a week.

How long are the days in Aitutaki?

From about 11 hours in June to 13 hours in December.

When are the skies clearest in Aitutaki?

August, when cloud covers about 47% of the sky on average. January is the cloudiest, at about 78%.

Places with a year like Aitutaki's

by their highs, lows and wet days

Their highs, lows, wet days and cloud run closest to Aitutaki's through the year, one place a country. “Six months apart”: their winter is Aitutaki's summer.

Elsewhere in Cook Islands

All of Cook Islands

Where to stay

1 in our collection

Typical weather, averaged over 30 years (1995–2024). Aitutaki sits on a grid square that is mostly sea, where the data hold only a daily average, so the page shows one typical temperature, not a high and a low. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.