UV Index in Extrema, Brazil

Last updated: May 3, 2025

In Extrema, Brazil, understanding the UV Index is crucial for maintaining skin health and preventing sunburn. The region’s Aw climate contributes to elevated UV exposure levels, particularly during the midday hours when values can soar to 12—indicating a very high risk of harm from unprotected sun exposure. Being aware of these UV levels helps residents and visitors make informed decisions about sun protection, ensuring enjoyable outdoor experiences while minimizing skin damage. Whether you’re hiking in the beautiful landscape or simply spending time outdoors, checking the UV Index can empower you to safeguard your skin.

Hourly UV Index in Extrema

The UV Index tomorrow will experience a sharp ascent, beginning with a modest 1 at 07:00. As the sun rises higher, expect a steady increase, peaking at an intense 12 by noon. This midday high presents a strong risk of harm from unprotected sun exposure, with careful precautions recommended. The afternoon sees the index gradually descend, dropping to 6 by 15:00 and down to 1 by 17:00, signaling a cooling off as the day winds down. As evening approaches, the UV levels dip to 0 after sunset, making for a safe time to enjoy the outdoors without worry. Remember to protect your skin during peak hours, especially between 10:00 and 14:00!

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	7	high	25 min
11:00	10	very high	15 min
12:00	12	extreme	10 min
13:00	11	extreme	10 min
14:00	9	very high	15 min
15:00	6	high	25 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 Extrema

The UV Index exhibits significant seasonal variations, with extreme levels dominating from January to April and in August, September, and November. The highest measurement occurs in March, reaching 16, where the burn time is limited to just 10 minutes. May sees a slight decrease to an index of 12, while June and July hit a very high index of 10, allowing for an extended burn time of 15 minutes. As the year wraps up, October and December maintain a robust index of 14. Given this data, visitors and residents are strongly advised to take precautions against sun exposure during the high-risk months of January to April and August to November, limiting outdoor activities during peak sunlight hours and using ample sun protection measures.

Monthly Maximum UV Index for Extrema, Brazil

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

The table above highlights how UV exposure in Extrema 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.

Extrema'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
Extrema	15	15	16	15	12	10	10	11	11	14	16	14