Porto Alegre UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index5.7
- Avg Clouds100%
- Max Temp25.1 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Porto Alegre, Brazil 
will reach a high of 5.7 today. This means a moderate level of sun exposure. See our tips below to stay safe!
Last checked: 2025-08-22
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.
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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