Climate · Aitutaki

Aitutaki in May

Warm and wet, as the days shorten.

Typical weather, averaged over 30 years

May in Aitutaki is warm, around 79°F through the day and night. Rain falls on about four days a week, less often as the month goes on, and the days shorten by 19 minutes from the first week to the last.May in Aitutaki is warm, around 26°C through the day and night. Rain falls on about four days a week, less often as the month goes on, and the days shorten by 19 minutes from the first week to the last.

Typical
79°F26°Caverage
Wet days
4a week · 59% of days
Daylight
11h 14mon average

Is May a good time to visit Aitutaki?


A good month, just outside Aitutaki's best months, which run from June to September.

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.

How May sits in the year

week by week

Temperature

Around 79°F in May, against 76°F to 80°F through the year.Around 26°C in May, against 24°C to 27°C through the year.

Chance of a wet day

59% of days in May, against 37% to 81% through the year.

Cloud cover

64% cover in May, against 47% to 78% through the year.

Daylight

11h 14m in May, against 11h 01m to 13h 15m through the year.

Week by week, lightly smoothed, with May shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side


  1. April80°27°5 wet days a weekRain on about five days a week.
  2. May79°26°4 wet days a weekRain on about four days a week.
  3. June77°25°3 wet days a weekRain on about three days a week.

Where Aitutaki sits, in May

Pacific/Rarotonga

this place
typical high in May 40°F4°C95°F35°C
Sunrise, mid-May
6:58 AMsets 6:12 PM
Above the sea
10 mlow-lying
Latitude
18.9°Ssouthern hemisphere
Nearest of ours
Avarua264 km south

The land around Aitutaki, shaded by its typical high in May, 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.

Elsewhere in Cook Islands in May

typical · wet days

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.