UV Index in Jaciara, Brazil

Last updated: May 3, 2025

Awareness of the UV Index is crucial for residents and visitors of Jaciara, Brazil, as it plays a vital role in safeguarding skin health and preventing sunburn. Understanding UV levels helps individuals take proactive measures to protect themselves from harmful rays, especially given the city's tropical savanna climate that presents significant exposure risks, particularly during peak hours. With maximum UV Index levels reaching 10 at midday, it's essential to stay informed and adopt appropriate sun protection strategies to enjoy the sun safely while minimizing damage to your skin.

Hourly UV Index in Jaciara

As the sun rises, the UV Index starts low at 1 at 07:00, making it a safe time for early birds. By 08:00, it climbs to 3, indicating a slight increase in UV exposure. The peak arrives sharply at 11:00 and 12:00, hitting a maximum of 10—a strong reminder to wear sunscreen and seek shade. Following this, the index gradually decreases, dipping to 6 by 14:00 and dropping further to 3 by 15:00. As the day winds down, UV levels return to a comfortable 1 by 16:00, fading to 0 by 18:00. This hourly pattern emphasizes the importance of midday protection while reminding us of the sun's dynamic presence throughout the day.

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	3	moderate	30 min
09:00	6	high	25 min
10:00	8	very high	15 min
11:00	10	very high	15 min
12:00	10	very high	15 min
13:00	8	very high	15 min
14:00	6	high	25 min
15:00	3	moderate	30 min
16:00	1	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 Jaciara

The seasonal changes in UV exposure show that January to April consistently experiences an extreme UV Index, peaking at 16, with a notably short burn time of just 10 minutes. As we transition into May and June, the UV Index remains high, classified as very high at 10 and 8, allowing for slightly longer burn times of 15 minutes. However, the trend shifts back to extreme levels from August to October, where values hover around 11 to 15, reverting to a 10-minute burn time. Notably, February, March, April, July, August, September, October, and November are identified as high-risk months for skin damage. Visitors and residents are strongly advised to take precautions during these months by wearing protective clothing, applying high-SPF sunscreen, and seeking shade to mitigate the risk of harmful UV exposure.

Monthly Maximum UV Index for Jaciara, Brazil

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

The table above highlights how UV exposure in Jaciara 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.

Jaciara'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
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
Jaciara	16	16	14	13	10	8	9	11	12	15	15	16
Fortaleza UVI	14	14	15	15	13	11	11	12	13	13	13	13