UV Index in Realeza, Brazil

Last updated: June 2, 2025

Understanding the UV Index in Realeza, Brazil is crucial for protecting your skin from the sun's harmful rays. With the region's Cfa climate, residents and visitors should be particularly mindful of UV exposure during peak hours, as levels can reach a high of 6 around noon. Being aware of the UV Index not only aids in preventing painful sunburns but also contributes to long-term skin health. By checking the UV levels, you can make informed decisions about sun protection, ensuring your time outdoors remains safe and enjoyable. Remember, even a low UV index, like 2 at 9 AM, can still pose a risk, so always stay vigilant!

Hourly UV Index in Realeza

The UV Index throughout the day reveals a dynamic shift in sun intensity, peaking around midday. Starting from a low of 0 at 7 AM, the index gradually climbs as the sun rises, reaching a moderate 6 at noon. From this point, it gently declines, dipping to 5 at 1 PM and easing to 3 by 3 PM. As the afternoon fades to evening, the UV levels drop to 1 by 5 PM, and ultimately return to 0 after 6 PM. This pattern highlights the importance of sun protection during the midday hours, especially as UV levels peak, making it crucial to take precautions to safeguard your skin!

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	0	low	45 min
08:00	1	low	45 min
09:00	2	low	45 min
10:00	3	moderate	30 min
11:00	5	moderate	30 min
12:00	6	high	25 min
13:00	5	moderate	30 min
14:00	4	moderate	30 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 Realeza

The UV Index exhibits significant seasonal variation, with January through April and November to December experiencing extreme levels (15 to 13), where the burn time is as short as 10 minutes. This indicates that the sun’s intensity is particularly strong during these months, necessitating extreme caution when spending time outdoors. May and June see a dip to a high level (7 to 6) with longer burn times of 25 minutes. August and September also elevate to very high levels (8 to 10), with reduced burn times of 15 minutes. Therefore, it is crucial for visitors and residents to take protective measures—such as applying sunscreen, wearing protective clothing, and seeking shade—especially during the high-risk months of January, February, March, April, October, and November. Staying informed about the UV Index can help ensure a safer outdoor experience year-round.

Monthly Maximum UV Index for Realeza, Brazil

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

The table above highlights how UV exposure in Realeza 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.

Realeza'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
Realeza	15	15	13	11	7	6	6	8	10	13	15	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