SeasonMapAitutaki weather in August
Cook Islands
August in Aitutaki: warm, a little rain, with clean air — one of the best months to visit.
#1 of 12 months in Aitutaki · #346 of 1383 destinations to visit in August · comfort 87/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Aitutaki in August
Aitutaki's forum calls August comfortable but rarely warm at night — regulars say a long-sleeved top is worth packing for evenings on the beach front. Any rain tends to be a short, 10-minute downpour before it clears again, and while the water is a little coolish for August, most snorkelers manage fine in a t-shirt and shorts.
Add your own note from Aitutaki's card on the map.
Aitutaki climate normals — August
| Daytime high | 25°C / 76°F | 🌤 warm |
|---|---|---|
| Nighttime low | 24°C / 74°F | |
| Feels like (high) | 26°C / 79°F | |
| Sea temperature | 26°C / 80°F | 😎 warm sea |
| Rainfall | 60 mm / 2.4 in | 🌦 some rain |
| Rainy days | 11 days | |
| Humidity | 76% | 💦 very humid |
| Dew point | 20°C / 67°F | |
| Sunshine | 9.7 h/day | |
| Daylight | 11.5 h | |
| Wind | 30 km/h / 19 mph | |
| Air quality (US AQI) | 45 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Aitutaki in August
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Peak crowdsDrier, cooler half of the year, Te Maeva Nui, school holidays in 2 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Aitutaki's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherAitutaki's weather doesn't swing hard through the year — comfort stays fairly steady in every month.
What's on in Aitutaki in August
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Drier, cooler half of the year
1 May – 31 OctDry seasonCrowdedMay to October is the drier half and the island's high season. The lagoon is glassiest early; the trade wind gets up over the flats most afternoons.
- Nature
Humpback whale season
15 Jul – 15 Oct · usuallyHumpbacks pass outside the reef between July and October. There is no shelf here, so the boats are in deep water within minutes of leaving the pass. Source ↗
- Festival
Te Maeva Nui
25 Jul – 4 AugMajor festivalCrowdedTen days of constitution celebrations across the country. The big competition is in Rarotonga, the island's teams rehearse for months, and the flights between the two book out around it. Source ↗
Nearby, and something's on
Within 300 km of Aitutaki — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Aitutaki?
Aitutaki in August — FAQ
- Is August a good time to visit Aitutaki?
- August in Aitutaki: warm, a little rain, with clean air — one of the best months to visit. It ranks #1 of 12 months for Aitutaki on SeasonMap's comfort score (87/100).
- What is the weather like in Aitutaki in August?
- In August, Aitutaki averages a daily high of 24.6°C and a low of 23.5°C, with about 59.8 mm of rain over roughly 11.2 rainy days.
- What is the air quality in Aitutaki in August?
- Aitutaki has a mean US Air Quality Index of about 45 in August.
Other months in Aitutaki
Compare Aitutaki in August
Warmer or cooler than Aitutaki in August
Similar destinations in Pacific — August
Within 300 km: Avarua's Humpback whale season around 15 Jul – 15 Oct, and Rarotonga's Humpback whale season around 15 Jul – 15 Oct.