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 UTC
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.
