UV Index

Very high

Today's UV index is very high. If working or spending time outdoors, wear UV protective clothing, use sunscreen, and try to avoid direct sun exposure between 11 AM and 4 PM.

TodayTomorrow
ExtremeVery highHighModerateLow
LowModerateHighVery high

Hourly UV and cloud cover

UV index is unitless. Cloud cover is shown as a percentage.

Peak UV 8
HourUV indexCloud cover
836%
647%
455%
357%
166%
072%
071%
064%
053%
053%

Quick answer — Rio de Janeiro, Brazil

Very high — Rio de Janeiro, Brazil

When is UV highest today in Rio de Janeiro, Brazil: Very high. Today's UV index is very high. If working or spending time outdoors, wear UV protective clothing, use sunscreen, and try to avoid direct sun exposure between 11 AM and 4 PM.

Verdict
Very high
High / Low
28° / 25°
Details
Today's UV index is very high. If working or spending time…

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