UV Index Today

Real-time solar radiation monitoring

Guarulhos, São Paulo, Brazil
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Guarulhos

São Paulo, Brazil • Local time: 10:59

Live UV Index
10:00
0.3
Low
Peak 2.6 at 12:00

Temp

12.7°C
Light Drizzle

Status

Light Drizzle

Max

15.8°C

Next 3 Hours

0.3
11:00
2.6
12:00
0.5
13:00

Humidity

86%

Cloud

100%

Wind Spd

18km/h

"Low risk. Minimal protection needed."

Today's UV Forecast

Hourly prediction for Guarulhos · Peak 2.6 at 12:00

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00
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01
—
02
—
03
—
04
—
05
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06
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07
0.1
08
0.2
09
0.3
10
0.3
11
2.6
12
0.5
13
0.9
14
0.3
15
0.6
16
0.2
17
0.1
18
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19
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20
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21
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22
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23

Sunburn time at UV 0.3

Estimate for Guarulhos based on your skin type. Estimates only — not medical advice.

Skin type (Fitzpatrick)

Unprotected

6h 40m

Type II · no sunscreen

Recommended

SPF 15+

UV is low, but fair skin still benefits from light protection for longer outings.

With SPF 15+

12+ hours

Theoretical window — apply enough and reapply every 2 hours

Quick take: Longer unprotected window, but cumulative UV still adds up.

Open full calculator with SPF options

Location Map

-23.4446, -46.5615 · Elev. 757 m · America/Sao_Paulo

Open in Google Maps

Today's UV outlook for Guarulhos

Today's forecast for Guarulhos peaks at UV 2.6 around 12:00. The live reading is UV 0.3 right now.

Guarulhos sits at about 757 m elevation. Thinner air at altitude can add roughly 8% UV compared with sea level at the same latitude—cool mountain air is not a low-UV signal.

UV stays low across today's forecast. Minimal sun protection is needed for most people, though reflective surfaces like snow or water can still add exposure.

Compare with other cities in São Paulo, or read practical planning notes in the blog .