With daytime temperatures of 26°C (79°F) and nighttime lows of 24°C (75°F), August in Aitutaki brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 70 mm (2.8 in) falls on average.
If you're a fan of comfortable temperatures and drier conditions, August is a great time to visit.
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Pick a month to see the average temperature, rainfall and sunshine in Aitutaki - and find the best time to visit.
41-year average (1976-2025)
Based on our historical records, temperatures in Aitutaki typically stay consistent throughout August, with daily highs averaging around 26°C (79°F). Nights are warm, with lows around 23°C (73°F).
Browse day-by-day weather records for Aitutaki spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
According to our 20 years of weather records for Aitutaki, the following extremes were recorded between 2006 and 2026.
Find out more about the weather in the Cook Islands and which places have the best travel conditions in this month. See all of the Cook Islands in August →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Rain gear is recommended, you can expect wet weather on multiple days. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Wind Speed
See the full Aitutaki climate overview or explore weather in the Cook Islands.
Where to go in August - average daytime high across popular destinations.
Penrhyn
29°C (84°F) Aitutaki
26°C (79°F) Arutanga26°C (79°F) Muri25°C (77°F) Avarua25°C (77°F) Arorangi25°C (77°F) Rarotonga25°C (77°F) Ngatangiia25°C (77°F) Need travel inspiration? Check out our bucket list articles and be inspired.
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