UV Index in Iaciara, Brazil

Last updated: June 2, 2025

In Iaciara, Brazil, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels can help you prevent sunburn and reduce the risk of long-term skin damage, especially in this region known for its tropical climate and strong sun exposure. With peak UV readings reaching 9 around midday, it’s essential to take precautions during the high-risk hours from 10 AM to 4 PM. By staying informed about daily UV levels, you can enjoy the sunny outdoors while keeping your skin safe and healthy.

Hourly UV Index in Iaciara

The UV index throughout the day exhibits a dynamic rise and fall, reflecting the sun's intensity. At 07:00, the index starts low at 1, gradually climbing to 2 by 08:00. By 09:00, it reaches a moderate 4, but excitement peaks at 12:00 with a striking 9, indicating a high risk for unprotected skin. The intensity tapers down after this noon pinnacle—falling to 8 at 13:00, then 6 at 14:00. As afternoon turns to evening, the index diminishes significantly, settling at 4 by 15:00, dropping to 2 at 16:00, and finally winding down to 1 by 17:00. As the sun sets, the index recedes completely, hitting 0 by 18:00, leaving a tranquil end to the day. Remember, during peak times, sun protection is crucial!

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 Iaciara

Throughout the year, UV Index levels exhibit seasonal changes, with the highest readings occurring in the winter months and showing only a slight decline during the summer. Notably, January, February, and December experience extreme UV exposure, peaking at an index of 16, which corresponds to a rapid burn time of just 10 minutes. The high-risk months for UV exposure are from October to March, where UV indices reach 15 or 16, demanding vigilant sun safety measures. In contrast, from June to August, the UV Index averages in the very high to extreme categories, with a slightly longer burn time of 15 minutes in June and July. Residents and visitors are advised to take precautions, including wearing protective clothing, seeking shade, and applying sunscreen regularly during these months to mitigate the harmful effects of UV radiation.

Monthly Maximum UV Index for Iaciara, Brazil

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

The table above highlights how UV exposure in Iaciara 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.

Iaciara'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
Fortaleza UVI	14	14	15	15	13	11	11	12	13	13	13	13
Iaciara	16	15	15	13	11	9	10	12	13	15	15	16