December · Tonga
Best time to visit Ha'apai in December Weather, crowds & prices
Weather in Ha'apai in December
Average temperature 26°C, 130 mm of rain, about 28 days with 6+ hours of sunshine and 78% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
5.6/10
Ranked #8 of 12 months
- Avg temp
- 26°C
- Rainfall
- 130 mm
- Humidity
- 78%
- Days with 6h+ sun
- 28
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
December in Ha'apai scores 5.6/10 for sightseeing and cultural travel - ranked #8 of 12. Expect around 26°C, 130 mm of rain, and roughly 28 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.
December in Ha'apai: mixed conditions, plan around the weather
Days in December average 26°C (79°F) and humidity near 78% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
130 mm of rain makes this a wet month here, though with about 28 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 5.6/10 on the same scale — 8th of 12 months, versus 8.1/10 for the best month here.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Expect mid-season pricing, and crowds are moderate.
If your dates are flexible, September is materially better in Ha'apai — 2.5 points higher on the same scale.
Frequently asked
- What is the weather like in Ha'apai in December?
- In December, Ha'apai averages 26°C, 130 mm of rain, and about 28 days with 6+ hours of sunshine. Its climate-comfort score is 5.6/10.
- Is December a good time to visit Ha'apai?
- December earns a 5.6/10 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 December?
- Expect about 130 mm of rain in December. Average humidity is 78% and there are about 28 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.