UV Index Today

Real-time solar radiation monitoring

São João Da Boa Vista, São Paulo, Brazil

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São João Da Boa Vista

São Paulo, Brazil • Local time: 11:06

Live UV Index

11:00

3.5

Moderate

Peak 3.5 at 10:00

Temp

21.0°C

Status

Light Drizzle

Max

21.7°C

Next 3 Hours

1.5

12:00

1.6

13:00

1.6

14:00

Humidity

81%

Cloud

100%

Wind Spd

7.7km/h

"Moderate risk. Seek shade near midday."

Today's UV Forecast

Hourly prediction for São João Da Boa Vista · Peak 3.5 at 10:00

LowModHighVery HighExt

—

0.1

0.8

2.9

3.5

1.5

1.6

1.8

0.8

0.3

0.1

—

Sunburn time at UV 3.5

Estimate for São João Da Boa Vista based on your skin type. Estimates only — not medical advice.

Skin type (Fitzpatrick)

Unprotected

29 min

Type II · no sunscreen

Recommended

SPF 50

Moderate UV with fair skin — use broad-spectrum SPF 50 and seek shade near midday.

With SPF 50

12+ hours

Theoretical window — apply enough and reapply every 2 hours

Quick take: Fairly short unprotected window — apply sunscreen before heading out.

Open full calculator with SPF options

Location Map

-21.9684, -46.7593 · Elev. 800 m · America/Sao_Paulo

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Today's UV outlook for São João Da Boa Vista

Today's forecast for São João Da Boa Vista peaks at UV 3.5 around 10:00. The hourly outlook shows 2 hours at moderate or above (UV 3+). The live reading is UV 3.5 right now.

São João Da Boa Vista sits at about 800 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 mostly in the low-to-moderate range today, but the hourly bars still show when exposure climbs. Fair skin still benefits from SPF for extended time outdoors.

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