Vientiane UV index in May
Typical ultraviolet levels for Vientiane during May, from the past year of data.
Extreme
Vientiane
Extreme UV. Avoid sun exposure, seek shade, and use comprehensive protection: clothing, sunscreen, and a hat.
14
UV Index
May average UTC
Low
Moderate
High
Very High
Extreme
May UV
13.9937
Risk level
Extreme
Yearly peak
14.0349
Peak month
August
Vientiane UV index — monthly trend
Average UV index by month over the past year, with May highlighted.
Visiting Vientiane in May?
In May, Vientiane's typical UV index is about 13.9937 — a extreme risk level. Extreme UV. Avoid sun exposure, seek shade, and use comprehensive protection: clothing, sunscreen, and a hat.
Across the year, Vientiane sees the strongest UV in Summer, peaking around 14.0349 in August. Plan sun protection accordingly.
