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Rio de Janeiro UV Index Today

Day Summary

The UV index in Rio de Janeiro, Brazil Flag of Brazil will reach a high of 6.5 today. This means a high level of sun exposure. See our tips below to stay safe!

Last checked: 2025-08-02

Hourly Forecast Chart

Today's Safety Tips

Be careful! The sun's rays are strong. Try to stay in the shade between 10 a.m. and 4 p.m. Wear a hat, sunglasses, and reapply SPF 30+ sunscreen every 2 hours.

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

UV index

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.

Disclaimer

* The information on this page about the UV index in Rio de Janeiro is for educational purposes only. It is not a substitute for professional medical advice. Always consult a doctor for any health concerns.