Niteroi UV index in October
Typical ultraviolet levels for Niteroi during October, from the past year of data.
Extreme
Niteroi
Extreme UV. Avoid sun exposure, seek shade, and use comprehensive protection: clothing, sunscreen, and a hat.
13.7
UV Index
October average
Low
Moderate
High
Very High
Extreme
October UV
13.7319
Risk level
Extreme
Yearly peak
16.1357
Peak month
January
Niteroi UV index — monthly trend
Average UV index by month over the past year, with October highlighted.
Visiting Niteroi in October?
In October, Niteroi's typical UV index is about 13.7319 — a extreme risk level. Extreme UV. Avoid sun exposure, seek shade, and use comprehensive protection: clothing, sunscreen, and a hat.
Across the year, Niteroi sees the strongest UV in Winter, peaking around 16.1357 in January. Plan sun protection accordingly.
