Fortaleza UV index in December
Typical ultraviolet levels for Fortaleza during December, from the past year of data.
Extreme
Fortaleza
Extreme UV. Avoid sun exposure, seek shade, and use comprehensive protection: clothing, sunscreen, and a hat.
13.6
UV Index
December average UTC
Low
Moderate
High
Very High
Extreme
December UV
13.5595
Risk level
Extreme
Yearly peak
15.6749
Peak month
October
Fortaleza UV index — monthly trend
Average UV index by month over the past year, with December highlighted.
Visiting Fortaleza in December?
In December, Fortaleza's typical UV index is about 13.5595 — a extreme risk level. Extreme UV. Avoid sun exposure, seek shade, and use comprehensive protection: clothing, sunscreen, and a hat.
Across the year, Fortaleza sees the strongest UV in Fall, peaking around 15.6749 in October. Plan sun protection accordingly.
