SeasonMapTonga in January
January is Tonga's weakest month (rank 12 of 12): its 2 destinations average 66/100, led by Nuku'alofa at 66 — 31°C and 21 rainy days — while Vava'u is cooler at 28°C and scores 66.
#12 of 12 months for Tonga · 2 destinations · updated September 2026 · climate normals from ERA5 reanalysis
Where in Tonga in January
| # | Place | Type | Feels-like high | Rain | Comfort | At its best |
|---|---|---|---|---|---|---|
| 1 | Nuku'alofa | Island | 31°C | 362 mm · 21 days | 66 tier C | — |
| 2 | Vava'u | Island | 28°C | 345 mm · 21 days | 66 tier C | — |
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.