UV Index in Sao Joao do Rio do Peixe, Brazil — Today, 2 October

Q: What is the UV index in Sao Joao do Rio do Peixe today?

The live value is shown at the top of the page; the hourly chart gives today's full forecast for Sao Joao do Rio do Peixe (WHO scale 0–11+).

Q: What is the highest UV index in Sao Joao do Rio do Peixe?

The calculated clear-sky maximum is ≈ 10.4 in October. Values of 11–12 do not occur here — only near the equator, in deserts and high mountains.

Q: When do I need SPF in Sao Joao do Rio do Peixe?

The UV index reaches 6+ in January, February, March, April, May, June, July, August, September, October, November and December: use SPF 30–50+ on sunny days.

Q: Can I tan in Sao Joao do Rio do Peixe?

Comfortable tanning days (UV 2–5) are rare. Avoid midday sun in January, February, March, April, May, June, July, August, September, October, November and December (UV 8+).

Q: What UV index is dangerous?

8 and above. In Sao Joao do Rio do Peixe such levels occur in January, February, March, April, May, June, July, August, September, October, November and December.

What is the UV index? The UV index (ultraviolet index) is the WHO scale 0–11+ of sunburn-risk intensity at the Earth's surface: 0–2 low, 3–5 moderate, 6–7 high, 8–10 very high, 11+ extreme. The higher the number — the faster skin burns. Below is the live value for Sao Joao do Rio do Peixe today, 2 October.

UV index by month (clear sky)

Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
10	10.3	10.3	9.9	9.3	8.9	9.1	9.7	10.2	10.4	10.2	10

The table shows the calculated noon UV peak for latitude 6.7292° under clear sky. Real values vary with clouds, ozone and altitude — see the hourly chart for today's exact forecast.

UV climate of Sao Joao do Rio do Peixe: local facts

Sao Joao do Rio do Peixe sits at -6.7292° latitude (Southern hemisphere, equatorial zone). The UV index here climbs from 8.9 in June to a peak of ≈ 10.4 in October (summer in the Southern hemisphere); the annual average is ≈ 9.9. On a peak day, unprotected fair skin burns in about 12 minutes.

📈 Peak: ≈ 10.4 in October · calmest month: June (8.9).
🧴 SPF season (UV 6+): January, February, March, April, May, June, July, August, September, October, November and December — use SPF 30–50+ on sunny days.
⚠️ Very high risk (UV 8+): January, February, March, April, May, June, July, August, September, October, November and December — stay in shade 11:00–16:00, SPF 50+.
🌍 UV 11–12 here? Impossible: the local maximum is ≈ 10.4. Values of 11+ occur only near the equator, in deserts and high mountains.
💊 Vitamin D: outdoor synthesis is possible 12 months a year (UV 3+): January, February, March, April, May, June, July, August, September, October, November and December.

What UV index 8, 10, 11 and 12 mean

Value	WHO category	Time to burn (fair skin)
8–10	Very high	15–25 minutes
11+	Extreme	5–10 minutes
12	Maximum at surface	under 10 min; tropics & mountains only

The highest UV index on Earth reaches 12–14 at sea level (equator, deserts, Australia) and above 20 in the Andes. In mid-latitudes summer peaks are 7–8, in the south 9–11. See the monthly table above for Sao Joao do Rio do Peixe's peaks.

Sun protection tips for Sao Joao do Rio do Peixe

🧴 SPF: at UV 3+ apply SPF 30+ 20 min before going out, reapply every 2 hours and after swimming.
🕶 Sunglasses: UV400 or 100% UV protection only.
👒 Hat: a brim of at least 7 cm during midday hours.
⛱ Shade: 11:00–16:00 whenever the index is 6+.

How the UV data for Sao Joao do Rio do Peixe is calculated

Live hourly values come from Open-Meteo (ECMWF & NOAA models); the monthly table is a clear-sky calculation for latitude 6.7292° on the WHO 0–11+ scale. Real values vary with clouds, ozone and altitude.

Nearby cities

Cajazeiras Sousa Sao Jose de Piranhas Lavras da Mangabeira Sao Miguel Ico Barro Aurora

FAQ: UV index in Sao Joao do Rio do Peixe

What is the UV index in Sao Joao do Rio do Peixe today, 2 October?

The live value is at the top of this page; the hourly chart shows today's full forecast, and the status block shows tomorrow's peak. The UV index (WHO scale 0–11+) measures sunburn intensity: the higher, the faster skin burns.

What is the highest UV index in Sao Joao do Rio do Peixe?

The calculated clear-sky maximum is ≈ 10.4 in October. Values of 11–12 do not occur here — they are only possible near the equator, in deserts and high mountains (world records above 20 were set in the Andes).

When do I need SPF in Sao Joao do Rio do Peixe?

The UV index reaches 6+ in January, February, March, April, May, June, July, August, September, October, November and December: use SPF 30–50+ on sunny days, reapply every 2 hours.

Can I tan in Sao Joao do Rio do Peixe?

Comfortable tanning days (UV 2–5) are rare here. Avoid midday sun in January, February, March, April, May, June, July, August, September, October, November and December (UV 8+): you will burn before you tan.

What UV index is dangerous?

8 and above: fair skin burns in 10–20 minutes; at 11+ in under 10. In Sao Joao do Rio do Peixe such levels occur in January, February, March, April, May, June, July, August, September, October, November and December.

What is the UV index tomorrow in Sao Joao do Rio do Peixe?

The forecast peak for tomorrow is shown in the status block («tomorrow»); the hourly forecast for today is in the chart above.

Hourly UV in Sao Joao do Rio do Peixe