Rio de Janeiro UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index8.6
- Avg Clouds58%
- Max Temp22.5 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Rio de Janeiro, Brazil 
will reach a high of 8.6 today. This means a veryhigh level of sun exposure. See our tips below to stay safe!
Last checked: 2025-09-11
Hourly Forecast Chart
Today's Safety Tips
The risk is very high. It's best to stay out of the sun between 10 a.m. and 4 p.m. If you must be outside, wear protective clothing and apply sunscreen often.
Rio de Janeiro's UV Index
The UV index in Rio de Janeiro is often high, especially during summer, frequently reaching levels that indicate strong sun exposure. UV levels tend to peak around midday throughout the year.
Weather Seasons
Rio experiences a tropical climate with hot, humid summers from December to March, and milder, drier winters from June to August. Rainfall is more common in the summer months, while winters are relatively dry.
Rio de Janeiro's Climate
Compared to other parts of Brazil, Rio has more consistent warmth and humidity. It is wetter than the interior but less rainy than the Amazon region. Neighboring countries along the coast often share similar tropical, humid weather patterns.
Hourly UV Index Trend
See the UV index hour by hour for Rio de Janeiro. When the level is high, it's smart to find some shade.
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