Climate · Avarua

Avarua in August

Warm and damp, as the days lengthen.

Typical weather, averaged over 30 years

August in Avarua is warm, around 73°F through the day and night. Rain falls on about two days a week, and the days lengthen by 30 minutes from the first week to the last.August in Avarua is warm, around 23°C through the day and night. Rain falls on about two days a week, and the days lengthen by 30 minutes from the first week to the last.

Typical
73°F23°Caverage
Wet days
2a week · 33% of days
Daylight
11h 25mon average

Is August a good time to visit Avarua?


Yes. August is one of Avarua's best months (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 August sits in the year

week by week

Temperature

Around 73°F in August, against 73°F to 79°F through the year.Around 23°C in August, against 23°C to 26°C through the year.

Chance of a wet day

33% of days in August, against 29% to 73% through the year.

Cloud cover

49% cover in August, against 49% to 76% through the year.

Daylight

11h 25m in August, against 10h 52m to 13h 24m through the year.

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

Either side


  1. July74°23°2 wet days a weekRain on about two days a week.
  2. August73°23°2 wet days a weekRain on about two days a week.
  3. September73°23°3 wet days a weekRain on about three days a week.

Where Avarua sits, in August

Pacific/Rarotonga

this place
typical high in August 40°F4°C95°F35°C
Sunrise, mid-August
7:03 AMsets 6:25 PM
Above the sea
0 mlow-lying
Latitude
21.2°Ssouthern hemisphere
Nearest of ours
Aitutaki264 km north

The land around Avarua, shaded by its typical high in August, 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 August

typical · wet days

Typical weather, averaged over 30 years (1995–2024). Avarua 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.