UV Index Today

Real-time solar radiation monitoring

Johannesburg, Gauteng, South Africa
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Johannesburg

Gauteng, South Africa • Local time: 01:55

Live UV Index
01:00
0.0
Low
Peak 7.0 at 13:00

Temp

12.5°C
Clear

Status

Clear

Max

20.2°C

Next 3 Hours

0.0
02:00
0.0
03:00
0.0
04:00

Humidity

56%

Cloud

0%

Wind Spd

9.3km/h

"Low risk. Minimal protection needed."

Today's UV Forecast

Hourly prediction for Johannesburg · Peak 7.0 at 13:00

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00
—
01
—
02
—
03
—
04
—
05
—
06
0.1
07
1.0
08
2.7
09
4.5
10
6.0
11
7.0
12
7.0
13
6.4
14
5.0
15
3.3
16
1.5
17
0.3
18
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19
—
20
—
21
—
22
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23

Sunburn Time & SPF

Estimate burn time for your skin type at UV 0.0 in Johannesburg.

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Location Map

-26.1863, 28.0263 · Elev. 1749 m · Africa/Johannesburg

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Live UV Index in Johannesburg

This page shows the live UV index for Johannesburg, Gauteng, South Africa. Use the current reading, today's peak estimate, and the all-day hourly forecast to plan outdoor time and sun protection in Johannesburg.

UV intensity can change quickly around midday. Check the peak time and hourly bars for Johannesburg before long outdoor activities, and increase protection when the index moves into High or above.

Planning Outdoor Time in Johannesburg

Pair the live UV index with temperature, cloud cover, and wind to judge comfort and exposure risk. Even on cooler or breezy days, high UV can still cause skin damage.

Want nearby comparisons? Browse all cities in Gauteng.