Viamão UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index11.3
- Avg Clouds74%
- Max Temp29.7 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Viamão, 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.
Viamão's UV Index
The UV index in Viamão, Brazil, is generally high, often ranging between 6 and 11, especially during the summer months from December to February. This means the sun's rays are strong and can cause sunburn quickly.
Weather Seasons
Viamão experiences a humid subtropical climate with warm summers and mild winters. Rainfall is heaviest in the summer, while winters (June to August) are typically drier and cooler, though temperatures rarely drop below 10°C (50°F).
Viamão's Climate
Compared to neighboring regions like Porto Alegre, Viamão has similar weather patterns with slightly less urban heat effect. It receives more rainfall than inland parts of southern Brazil but less than coastal areas like Florianópolis in Santa Catarina.
Hourly UV Index Trend
See the UV index hour by hour for Viamão. When the level is high, it's smart to find some shade.
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