UV Index in Salto, Brazil

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents of Salto, Brazil. With its Cfa climate leading to warm summers and ample sunlight, awareness of UV levels can help protect against sunburn and long-term skin damage. During peak hours, particularly between 11:00 AM and 1:00 PM, the UV Index can soar to levels that pose significant risks, reaching as high as 7. By staying informed about the UV Index, you can take proactive steps to safeguard your skin health while enjoying the vibrant outdoor lifestyle that Salto offers.

Hourly UV Index in Salto

The UV Index data for the day reveals a dynamic pattern of sun exposure. Starting off at a low level, both 7:00 AM and 8:00 AM maintain a mere index of 1, indicating minimal UV radiation. As the sun climbs higher, 9:00 AM sees the index rise to 3, gradually peaking at 12:00 PM with an intense 7, suggesting it's time for sun protection. The afternoon hours show a slight decline, with 1:00 PM and 2:00 PM still holding strong at 6 and 5 respectively. As the day winds down, the index drops sharply after 3:00 PM, falling back to a 1 by 4:00 PM and eventually reaching 0 by 6:00 PM, marking a safe return from the sun's harsh rays. It's a reminder of the importance of sun safety during those midday hours!

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
Time	UVI	Category	Time to Burn
07:00	1	low	45 min
08:00	2	low	45 min
09:00	4	moderate	30 min
10:00	6	high	25 min
11:00	8	very high	15 min
12:00	9	very high	15 min
13:00	8	very high	15 min
14:00	6	high	25 min
15:00	4	moderate	30 min
16:00	2	low	45 min
17:00	1	low	45 min
18:00	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Salto

Throughout the year, the UV Index experiences significant seasonal fluctuations, with the highest risk months occurring from January to April and then again in September to November, during which the index often exceeds 10 and is classified as extreme. Notably, January and December both peak at a UV Index of 16, indicating a burn time of only 10 minutes for unprotected skin. As the weather warms, there is a slight decrease in UV exposure, recorded in June and July, where the index ranges from 6 to 7—labeled as high and allowing for a somewhat safer 25-minute burn time. Visitors and residents are strongly advised to exercise caution during peak UV months by wearing protective clothing, applying sunscreen regularly, and seeking shade when necessary to minimize the risk of sunburn and long-term skin damage.

Monthly Maximum UV Index for Salto, Brazil

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Salto. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Salto, based on information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

Compare Salto UV Index with Other Brazil Cities

The table above highlights how UV exposure in Salto compares to other major locations across Brazil. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Salto's solar exposure compared to other cities in Brazil. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Rio de Janeiro UVI	15	14	13	10	7	6	7	9	11	12	13	15
Sao Paulo UVI	16	15	12	11	8	6	7	9	11	13	14	15
Salto	16	15	12	11	8	6	7	9	11	13	14	16
Belo Horizonte UVI	17	16	14	12	9	7	8	10	12	13	14	16
Salvador UVI	14	14	14	13	10	9	9	12	12	15	15	14
Fortaleza UVI	14	14	15	15	13	11	11	12	13	13	13	13