August · Tonga
Best time to visit Ha'apai in August Weather, crowds & prices
Weather in Ha'apai in August
Average temperature 23°C, 79 mm of rain, about 27 days with 6+ hours of sunshine and 74% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
8.0/10
Ranked #3 of 12 months
- Avg temp
- 23°C
- Rainfall
- 79 mm
- Humidity
- 74%
- Days with 6h+ sun
- 27
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
August in Ha'apai scores 8.0/10 for sightseeing and cultural travel - one of the top 12-month picks (#3). Expect around 23°C, 79 mm of rain, and roughly 27 days with 6+ hours of sunshine this month.
Ha'apai is a lightly developed Tongan island group of low coral islands, quiet beaches, reefs, village life, and slow inter-island travel.
August in Ha'apai: strong conditions, 3rd of 12
At 23°C (73°F) this is comfortable city weather in August, with sightseeing easiest before lunch and after the afternoon peak.
Budget for roughly 79 mm of rain this month — a flexible day or two helps — with about 27 days with 6+ hours of sunshine and 11.4 hours of daylight to work around it.
That is 8/10 on the same scale — 3rd of 12 months, versus 8.1/10 for the best month here.
Pack light clothing, a hat 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 Ha'apai in August?
- In August, Ha'apai averages 23°C, 79 mm of rain, and about 27 days with 6+ hours of sunshine. Its climate-comfort score is 8.0/10.
- Is August a good time to visit Ha'apai?
- August earns a 8.0/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Ha'apai in August?
- Expect about 79 mm of rain in August. Average humidity is 74% and there are about 27 days with 6+ hours of sunshine.
Curated in Ha'apai
Tickets & experiences
Things to do in Ha'apai
Ha'apai, Tonga. Live activities and tours from GetYourGuide, matched to this destination.