Niteroi UV index in May
Typical ultraviolet levels for Niteroi during May, from the past year of data.
Very High
Niteroi
Very high UV. Limit sun exposure, especially during midday; protective clothing, sunscreen, and a hat are essential.
8.4
UV Index
May average
Low
Moderate
High
Very High
Extreme
May UV
8.4186
Risk level
Very High
Yearly peak
16.1357
Peak month
January
Niteroi UV index — monthly trend
Average UV index by month over the past year, with May highlighted.
Visiting Niteroi in May?
In May, Niteroi's typical UV index is about 8.4186 — 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, Niteroi sees the strongest UV in Winter, peaking around 16.1357 in January. Plan sun protection accordingly.
