January · Tonga
Best time to visit Ha'apai in January Weather, crowds & prices
Weather in Ha'apai in January
Average temperature 27°C, 301 mm of rain, about 25 days with 6+ hours of sunshine and 80% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
January score
4.2/10
Ranked #10 of 12 months
- Avg temp
- 27°C
- Rainfall
- 301 mm
- Humidity
- 80%
- Days with 6h+ sun
- 25
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
January in Ha'apai scores 4.2/10 for sightseeing and cultural travel - ranked #10 of 12. Expect around 27°C, 301 mm of rain, and roughly 25 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.
January in Ha'apai — off-season conditions
January averages 27°C (80°F) and humidity near 80%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
301 mm makes this the wettest stretch of the year, though about 25 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.
It scores 4.2/10 here, 10th of 12 months, against 8.1/10 in the destination's best month.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Figure on low-season pricing, with crowds are light for this destination.
Flexible dates? September scores 3.9 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Ha'apai in January?
- In January, Ha'apai averages 27°C, 301 mm of rain, and about 25 days with 6+ hours of sunshine. Its climate-comfort score is 4.2/10.
- Is January a good time to visit Ha'apai?
- January earns a 4.2/10 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 January?
- Expect about 301 mm of rain in January. Average humidity is 80% and there are about 25 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.