Niterói UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index11.1
- Avg Clouds0%
- Max Temp28.4 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Niterói, Brazil 
will reach a high of 11.1 today. This means a extreme level of sun exposure. See our tips below to stay safe!
Last checked: 2026-03-15
Hourly Forecast Chart
Today's Safety Tips
Extreme danger! Avoid being in the sun, especially during midday. If you go out, cover up with clothing, a hat, and sunglasses, and use plenty of sunscreen.
Niterói's UV Index
The UV index in Niterói, Brazil, is generally high throughout the year, often ranging from 8 to 12 during the summer months, indicating strong ultraviolet radiation from the sun.
Weather Seasons
Niterói experiences a tropical climate with a wet season from December to March, bringing heavy rains and higher humidity. The dry season runs from May to September, with cooler temperatures and less rain.
Niterói's Climate
Compared to other parts of Brazil, Niterói has milder temperatures due to its coastal location. It is warmer and wetter than southern Brazil but cooler and less rainy than the Amazon region to the north. Neighboring Rio de Janeiro shares similar weather patterns.
Hourly UV Index Trend
See the UV index hour by hour for Niterói. When the level is high, it's smart to find some shade.
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