Hanoi UV index in January

Typical ultraviolet levels for Hanoi during January, from the past year of data.

Moderate Hanoi

Moderate UV. Protect your skin during midday hours; wearing a hat and applying sunscreen is advisable.

January average

January UV
5.6653
Risk level
Moderate
Yearly peak
13.7762
Peak month
June

Hanoi UV index — monthly trend

Average UV index by month over the past year, with January highlighted.

How this is calculated

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.