UV Index in São Sebastião do Tocantins, Tocantins, Brazil

· America/Sao Paulo

13.2
Extreme · clear-sky maximum Wednesday, October 21, 2026

At solar noon (11:58:03 AM) the sun reaches 84.4° above the horizon in São Sebastião do Tocantins. Without clouds, that corresponds to a maximum UV index of about 13.2 (extreme). Clouds usually lower the real value; snow, sand, water and altitude can raise it.

☀️ Sun Safety: When the UV index is high, protect yourself with sunscreen, shade, and a hat. Values of 6 or more indicate increased sunburn risk!

UV index in São Sebastião do Tocantins, next 14 days

DateSun at noonClear-sky maxForecast max
84.4° 13.2 Extreme —
84.1° 13.2 Extreme —
83.7° 13.2 Extreme —
83.4° 13.1 Extreme —
83.0° 13.1 Extreme —
82.7° 13.1 Extreme —
82.3° 13.1 Extreme —
82.0° 13.0 Extreme —
81.7° 13.0 Extreme —
81.3° 13.0 Extreme —
81.0° 13.0 Extreme —
80.7° 12.9 Extreme —
80.4° 12.9 Extreme —
80.1° 12.9 Extreme —

Clear-sky values are calculated from the sun's height at solar noon (cloud-free sky, average ozone). Forecast values from Open-Meteo include clouds and load in your browser.

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The UV index in São Sebastião do Tocantins measures the intensity of ultraviolet radiation reaching the ground. Values below 3 are considered low risk, while 6 and above require sun protection such as sunscreen, sunglasses, and shade. The clear-sky value shows how strong the sun can get on each day; the forecast shows what is expected with clouds. See today's sunrise and sunset times for São Sebastião do Tocantins or discover the best light for photos during the golden hour in São Sebastião do Tocantins.