Rio de Janeiro UV index in December
Typical ultraviolet levels for Rio de Janeiro during December, from the past year of data.
Extreme
Rio de Janeiro
Extreme UV. Avoid sun exposure, seek shade, and use comprehensive protection: clothing, sunscreen, and a hat.
16.1
UV Index
December average UTC
Low
Moderate
High
Very High
Extreme
December UV
16.1187
Risk level
Extreme
Yearly peak
16.1393
Peak month
January
Rio de Janeiro UV index — monthly trend
Average UV index by month over the past year, with December highlighted.
Visiting Rio de Janeiro in December?
In December, Rio de Janeiro's typical UV index is about 16.1187 — a extreme risk level. Extreme UV. Avoid sun exposure, seek shade, and use comprehensive protection: clothing, sunscreen, and a hat.
Across the year, Rio de Janeiro sees the strongest UV in Winter, peaking around 16.1393 in January. Plan sun protection accordingly.
