UV Index Today

Real-time solar radiation monitoring

Guarujá, São Paulo, Brazil
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Guarujá

São Paulo, Brazil • Local time: 10:57

Live UV Index
10:00
0.3
Low
Peak 0.5 at 12:00

Temp

16.7°C
Drizzle

Status

Drizzle

Max

18.8°C

Next 3 Hours

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

Humidity

89%

Cloud

100%

Wind Spd

7.2km/h

"Low risk. Minimal protection needed."

Today's UV Forecast

Hourly prediction for Guarujá · Peak 0.5 at 12:00

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00
—
01
—
02
—
03
—
04
—
05
—
06
—
07
0.1
08
0.1
09
0.3
10
0.3
11
0.5
12
0.5
13
0.5
14
0.4
15
0.2
16
0.3
17
0.1
18
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19
—
20
—
21
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22
—
23

Sunburn time at UV 0.3

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

Skin type (Fitzpatrick)

Unprotected

4h 46m

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

-23.9367, -46.2394 · Elev. 11 m · America/Sao_Paulo

Open in Google Maps

Today's UV outlook for Guarujá

Today's forecast for Guarujá peaks at UV 0.5 around 12:00. The live reading is UV 0.3 right now.

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 .