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Buenos Aires UV Index Today

Day Summary

The UV index in Buenos Aires, Argentina Flag of Argentina will reach a high of 3.4 today. This means a moderate level of sun exposure. See our tips below to stay safe!

Last checked: 2025-08-04

Hourly Forecast Chart

Today's Safety Tips

The sun is a bit strong. Find some shade during midday. Wear a hat, sunglasses, and use SPF 30+ sunscreen if you'll be outside for a while.

Buenos Aires's UV Index

The UV index in Buenos Aires ranges from low in winter to very high in summer, often reaching values around 10 or more during December and January.

Weather Seasons

UV index

Buenos Aires has hot summers with temperatures around 30°C (86°F) and mild winters averaging 10-15°C (50-59°F). Rainfall is spread throughout the year but is slightly higher in spring and summer.

Buenos Aires's Climate

Compared to other parts of Argentina, Buenos Aires is warmer and more humid than the Andes region. It is milder and wetter than the dry and hot areas in northern Argentina and similar to the coastal climate of Uruguay nearby.

Hourly UV Index Trend

See the UV index hour by hour for Buenos Aires. When the level is high, it's smart to find some shade.

Disclaimer

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