Rio de Janeiro, Brazil · -22.91, -43.17
Today's peak is high. Unprotected skin burns in about 24 min at the worst hour: stay in the shade around midday.
About the UV index in Rio de Janeiro
Rio de Janeiro sits at 22.9° S, in the southern hemisphere. Today's UV peaks at 6.9: the "high" band, which uvlevel.net treats as danger for unprotected skin at the worst hour.
In the Southern Hemisphere at this latitude, UV climbs highest around December and January and eases, without disappearing, around June and July. Even the winter trough here can still cross the moderate band near midday.
Hour by hour today
| Local time | UV index | Risk |
|---|---|---|
| 00:00 | 0 | No danger |
| 01:00 | 0 | No danger |
| 02:00 | 0 | No danger |
| 03:00 | 0 | No danger |
| 04:00 | 0 | No danger |
| 05:00 | 0 | No danger |
| 06:00 | 0 | No danger |
| 07:00 | 0.2 | No danger |
| 08:00 | 1.1 | No danger |
| 09:00 | 2.8 | No danger |
| 10:00 | 4.9 | Caution |
| 11:00 | 6.5 | Danger |
| 12:00 | 6.9 | Danger |
| 13:00 | 6.1 | Danger |
| 14:00 | 5.2 | Caution |
| 15:00 | 3.9 | Caution |
| 16:00 | 2.3 | No danger |
| 17:00 | 0.9 | No danger |
| 18:00 | 0.1 | No danger |
| 19:00 | 0 | No danger |
| 20:00 | 0 | No danger |
| 21:00 | 0 | No danger |
| 22:00 | 0 | No danger |
| 23:00 | 0 | No danger |
| Skin type | Time to burn |
|---|---|
| I · always burns, never tans | 19 min |
| II · burns easily | 24 min |
| III · burns sometimes | 34 min |
| IV · rarely burns | 43 min |
| V · brown skin | 58 min |
| VI · deeply pigmented | 1 h 37 min |
Next 7 days · daily peak
Frequently asked
Is the UV index dangerous in Rio de Janeiro today?
Yes. UV in Rio de Janeiro is forecast to reach 3 or higher from 09:05 to 15:33 local time today, peaking at 6.9.
What time is UV highest in Rio de Janeiro?
UV is highest in Rio de Janeiro at around 12:00 local time today, reaching 6.9.
How long can unprotected skin stay out in Rio de Janeiro today?
At today's peak of 6.9, fair skin (Fitzpatrick type II) with no sunscreen burns in about 24 min. Darker skin types take longer. See the table above for every type.
Does the UV index in Rio de Janeiro change with the seasons?
In the Southern Hemisphere at this latitude, UV climbs highest around December and January and eases, without disappearing, around June and July. Even the winter trough here can still cross the moderate band near midday.
Nearby cities
Forecasts and elevation from Open-Meteo. The second UV opinion contains modified Copernicus Atmosphere Monitoring Service (CAMS) information; neither the European Commission nor ECMWF is responsible for how it is used here.
uvlevel.net gives general sun-safety guidance, not medical advice. Photosensitising medication, skin conditions, infants and a history of skin cancer all call for stricter limits than shown here.