Hanoi UV index in October
Typical ultraviolet levels for Hanoi during October, from the past year of data.
Very High
Hanoi
Very high UV. Limit sun exposure, especially during midday; protective clothing, sunscreen, and a hat are essential.
10.7
UV Index
October average
Low
Moderate
High
Very High
Extreme
October UV
10.6907
Risk level
Very High
Yearly peak
13.7762
Peak month
June
Hanoi UV index — monthly trend
Average UV index by month over the past year, with October highlighted.
Visiting Hanoi in October?
In October, Hanoi's typical UV index is about 10.6907 — a very high risk level. Very high UV. Limit sun exposure, especially during midday; protective clothing, sunscreen, and a hat are essential.
Across the year, Hanoi sees the strongest UV in Summer, peaking around 13.7762 in June. Plan sun protection accordingly.
