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UV Index in Rio de Janeiro

Sunday

22/03/2026

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Current UV Index:
1.84
Low risk of harm
A UV index of 0 to 2 means that the danger from the Sun's UV rays to the average person is low.
UV Index Scale
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0 - 2
Low risk of harm
A UV index of 0 to 2 means that the danger from the Sun's UV rays to the average person is low.
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3 - 5
Medium risk of harm
A UV index of 3 to 5 means a moderate risk of harm from unprotected sun exposure.
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6 - 7
High risk of harm
A UV Index of 6 to 7 means a high risk of harm from unprotected sun exposure. Skin and eye protection is essential.
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8 - 10
Very high risk of harm
A UV Index of 8 to 10 means there is a very high risk of harm from unprotected sun exposure. Take extra precautions as unprotected skin and eyes are vulnerable and can burn quickly.
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11+
Risk of dangerous harm
A UV Index of 11 or higher means an extremely high risk of harm from unprotected sun exposure. Take every precaution as unprotected skin and eyes can burn in minutes.

Hourly UV Index Forecast

Wear sunglasses on sunny days. In winter, reflection can double the intensity of UV rays.
If you burn easily, cover up and use sunscreen.
1-2
Low
3-5
Medium
6-7
High
8-10
Very high
11+
Extremely high

Daily UV Index Forecast

22/03/2026
light rain 15o / 24o
11.55
Risk of dangerous harm
23/03/2026
light rain 15o / 23o
12.13
Risk of dangerous harm
24/03/2026
moderate rain 15o / 22o
11.04
Risk of dangerous harm
25/03/2026
light rain 16o / 23o
9.83
Very high risk of harm
26/03/2026
broken clouds 16o / 23o
11.28
Risk of dangerous harm
27/03/2026
light rain 15o / 25o
5.27
High risk of harm
28/03/2026
light rain 15o / 23o
6
High risk of harm
29/03/2026
light rain 14o / 24o
6
High risk of harm

22/03/2026

22o
rain
Light rain
15oC / 24oC | Real feel 23oC
30% rain | 0.15 mm
Humidity 81%
Vision 10 km
Wind Speed 3.991 km/h
UV Index 4.55
Sunrise / Sunset 05:54 / 18:00
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