Hanoi UV index in January
Typical ultraviolet levels for Hanoi during January, from the past year of data.
Moderate UV. Protect your skin during midday hours; wearing a hat and applying sunscreen is advisable.
January average
Hanoi UV index — monthly trend
Average UV index by month over the past year, with January highlighted.
Visiting Hanoi in January?
In January, Hanoi's typical UV index is about 5.6653 — a moderate risk level. Moderate UV. Protect your skin during midday hours; wearing a hat and applying sunscreen is advisable.
Across the year, Hanoi sees the strongest UV in Summer, peaking around 13.7762 in June. Plan sun protection accordingly.