Tonga in January
January is one of Tonga's weaker months (rank 10 of 12): its 2 destinations average 71/100, led by Nuku'alofa at 72 — 34°C and 19 rainy days — while Vava'u trails at 70 with 298 mm of rain.
#10 of 12 months for Tonga · 2 destinations · updated September 2026 · climate normals from ERA5 reanalysis
🇹🇴 Tonga, month by month
71/100 in JanuaryWhere in Tonga in January
Comfort is SeasonMap's 0–100 score; each place is judged through the lens that suits it — beaches on beach weather, ski resorts on snow. "At its best" means January is one of that place's own top three months. Feels-like highs fold in humidity, wind and sun.