Porto Alegre UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index11.3
- Avg Clouds70%
- Max Temp30.2 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Porto Alegre, Brazil 
will reach a high of 11.3 today. This means a extreme level of sun exposure. See our tips below to stay safe!
Last checked: 2025-11-11
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.
Porto Alegre's UV Index
The UV index in Porto Alegre varies throughout the year, with higher values typically seen during the summer months, reaching levels around 10 or 11, indicating very strong sun exposure. During winter, the UV index usually drops to moderate levels between 3 and 5.
Weather Seasons
Porto Alegre experiences warm summers with temperatures often above 30°C and mild winters with temperatures ranging from 10°C to 20°C. Rain is fairly evenly spread, but autumn and spring see more frequent showers, while winters are generally drier.
Porto Alegre's Climate
Compared to other Brazilian cities, Porto Alegre is cooler due to its southern location. It is less humid than northern cities like Manaus. Neighboring Uruguay and Argentina have similar weather patterns, but Porto Alegre tends to be warmer in winter than cities further south.
Hourly UV Index Trend
See the UV index hour by hour for Porto Alegre. When the level is high, it's smart to find some shade.
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