Hanoi UV index in May
Typical ultraviolet levels for Hanoi during May, from the past year of data.
Extreme
Hanoi
Extreme UV. Avoid sun exposure, seek shade, and use comprehensive protection: clothing, sunscreen, and a hat.
13.6
UV Index
May average UTC
Low
Moderate
High
Very High
Extreme
May UV
13.6008
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 May highlighted.
Visiting Hanoi in May?
In May, Hanoi's typical UV index is about 13.6008 — 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.
