UV Index in Unai, Brazil

Last updated: July 2, 2025

Being aware of the UV Index is crucial for residents and visitors in Unai, Brazil. Understanding UV levels—especially during the peak hours of 11 AM to 1 PM, when the index reaches a maximum of 10—can significantly aid in preventing sunburn and promoting overall skin health. With Unai's tropical climate, where sunny days are abundant, the risk of UV exposure can lead to serious skin issues if not managed properly. Stay informed and take precautions to enjoy the sun safely while protecting your skin!

Hourly UV Index in Unai

The hourly UV Index reveals a dynamic range of sun exposure today. Starting off at a gentle 1 at 7:00 AM, the index steadily climbs, peaking at a striking 10 by 12:00 PM—the peak exposure time. As the sun reaches its zenith, caution is advised for outdoor activities during the 11:00 AM to 1:00 PM window when the index remains high at 9 and 10. Following this midday surge, the index gracefully descends; by 3:00 PM, it dips to 4 and continues to decline to 1 by 5:00 PM. Finally, after a brief respite, the UV rays fade to 0 by 6:00 PM, signaling a safe return for evening outdoor plans. Stay sun-smart and enjoy the day wisely!

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	9	very high	15 min
14:00	7	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 Unai

The UV Index exhibits extreme levels throughout most of the year, particularly from January to April, where it consistently registers between 16 and 14, with a burn time of only 10 minutes. The months of February, November, and December are especially high-risk, maintaining the maximum UV Index of 16. As the season transitions into May and June, the index drops slightly to 10 and 9, respectively, categorized as very high, allowing for a burn time of 15 minutes. However, exposure remains significant, particularly in July and August, which experience a return to extreme levels and shorter burn times again. Visitors and residents should take precautions during these high-risk months by wearing broad-spectrum sunscreen, seeking shade, and wearing protective clothing, especially during peak sunlight hours.

Monthly Maximum UV Index for Unai, Brazil

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

The table above highlights how UV exposure in Unai 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.

Unai'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
Unai	16	16	14	13	10	9	10	12	13	15	16	16