August · Cook Islands
Best time to visit Aitutaki in August Weather, crowds & prices
Weather in Aitutaki in August
Average temperature 25°C, 63 mm of rain, about 18 days with 6+ hours of sunshine and 78% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
8.5/10
Ranked #3 of 12 months
- Avg temp
- 25°C
- Rainfall
- 63 mm
- Humidity
- 78%
- Days with 6h+ sun
- 18
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
August in Aitutaki scores 8.5/10 for beach and coastal travel - one of the top 12-month picks (#3). Expect around 25°C, 63 mm of rain, and roughly 18 days with 6+ hours of sunshine this month.
Aitutaki's lagoon is a wide spread of turquoise water scattered with sandbars and small palm islets.
August in Aitutaki — one of the year's strongest windows (3rd)
With 25°C (76°F) on average, August delivers classic beach weather: plenty of time in the water, with beach and boat plans rarely disrupted by cold.
Budget for roughly 63 mm of rain this month — a flexible day or two helps — with about 18 days with 6+ hours of sunshine and 11.4 hours of daylight to work around it.
On our climate-comfort scale this is one of the strongest months of the year for Aitutaki at 8.5/10 (3rd of 12), just behind September at 9/10.
Pack light clothing, swimwear and real sun protection, a packable rain layer.
Budget for peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Aitutaki in August?
- In August, Aitutaki averages 25°C, 63 mm of rain, and about 18 days with 6+ hours of sunshine. Its climate-comfort score is 8.5/10.
- Is August a good time to visit Aitutaki?
- August earns a 8.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Aitutaki in August?
- Expect about 63 mm of rain in August. Average humidity is 78% and there are about 18 days with 6+ hours of sunshine.
Curated in Aitutaki
Tickets & experiences
Things to do in Aitutaki
Aitutaki, Cook Islands. Live activities and tours from GetYourGuide, matched to this destination.