UV Index in Jales, Brazil

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents and visitors of Jales, Brazil, where the hot climate and abundant sunshine can pose significant risks to skin health. With UV levels frequently reaching as high as 8 around midday, awareness of these fluctuations can help prevent sunburn and long-term skin damage. In a city known for its sunny days, being informed about the UV Index empowers you to protect yourself from harmful rays, ensuring outdoor activities remain enjoyable and safe.

Hourly UV Index in Jales

At dawn, the UV Index remains low, peaking at 1 by 08:00. As the sun rises higher, a notable increase occurs, reaching 3 at 09:00 and escalating dramatically to a maximum of 8 from 12:00 to 13:00. This midday surge indicates a higher risk for sun exposure, making it essential to take precautions such as wearing sunscreen and protective clothing. The intensity then gradually declines, dropping to 4 by 15:00, and continuing its descent to 0 by 19:00, marking the end of the sun’s peak influence for the day. Stay mindful of these hourly fluctuations to enjoy the sun safely!

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	9	very high	15 min
12:00	10	very high	15 min
13:00	10	very high	15 min
14:00	8	very high	15 min
15:00	5	moderate	30 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Jales

Throughout the year, UV index levels vary significantly, with January to April consistently experiencing extreme exposure levels, where the burn time is as short as 10 minutes. The months of January (UV Index 15) and February (UV Index 16) are particularly high-risk, warranting extra caution for sun exposure. As the seasons shift, May marks a transition to very high (UV Index 9), giving way to high (UV Index 7) levels in June. The summer months—July and August—remain critically high, also categorized as very high with a burn time of 15 minutes. As summer concludes, September sees a return to the extreme category (UV Index 12), continuing through October and November. Visitors and residents are strongly advised to wear appropriate sun protection during these high-risk months, particularly from January to April and again in September and October, to safeguard against harmful UV radiation and minimize sunburn risk.

Monthly Maximum UV Index for Jales, Brazil

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Jales. 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 Jales, 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 Jales UV Index with Other Brazil Cities

The table above highlights how UV exposure in Jales 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.

Jales'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
Jales	15	16	13	11	9	7	8	10	12	14	15	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