Hanoi UV index in April
Typical ultraviolet levels for Hanoi during April, from the past year of data.
Extreme
Hanoi
Extreme UV. Avoid sun exposure, seek shade, and use comprehensive protection: clothing, sunscreen, and a hat.
12.3
UV Index
April average UTC
Low
Moderate
High
Very High
Extreme
April UV
12.2799
Risk level
Extreme
Yearly peak
13.7762
Peak month
June
Hanoi UV index — monthly trend
Average UV index by month over the past year, with April highlighted.
Visiting Hanoi in April?
In April, Hanoi's typical UV index is about 12.2799 — a extreme risk level. Extreme UV. Avoid sun exposure, seek shade, and use comprehensive protection: clothing, sunscreen, and a hat.
Across the year, Hanoi sees the strongest UV in Summer, peaking around 13.7762 in June. Plan sun protection accordingly.
