Rio de Janeiro UV index in May
Typical ultraviolet levels for Rio de Janeiro during May, from the past year of data.
Very high UV. Limit sun exposure, especially during midday; protective clothing, sunscreen, and a hat are essential.
May average UTC
Rio de Janeiro UV index — monthly trend
Average UV index by month over the past year, with May highlighted.
Visiting Rio de Janeiro in May?
In May, Rio de Janeiro's typical UV index is about 8.4205 — 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, Rio de Janeiro sees the strongest UV in Winter, peaking around 16.1393 in January. Plan sun protection accordingly.