UV Index in Girua, Brazil

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors in Girua, Brazil, where the subtropical Cfa climate brings ample sunshine throughout the year. With UV levels peaking around 12 PM, reaching up to 6, awareness of these levels is essential for preventing sunburn and ensuring long-term skin health. By staying informed about the UV Index, you can better protect yourself from harmful rays, enjoy outdoor activities safely, and make informed decisions about sun protection, especially during those peak hours when exposure risks are highest.

Hourly UV Index in Girua

The UV Index throughout the day presents a dynamic interplay of sunlight, peaking at 12:00 PM and 1:00 PM with a robust 6. Early risers will enjoy the gentle warmth with a UV Index of 0 at 7:00 AM, slowly climbing to 1 by 8:00 AM. As the morning progresses, it reaches 3 at 10:00 AM and then escalates to its highest at noon. Afternoon hours see a gradual decline, dipping back to 5 at 2:00 PM before gently dropping to 3 by 3:00 PM. As the sun sets, the index retreats below 1 from 5:00 PM onward, concluding with a soothing 0 at 6:00 PM and remaining steady until dusk. Make sure to stay protected during the peak hours, especially when the sun's rays are at their strongest!

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	6	high	25 min
14:00	5	moderate	30 min
15:00	3	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 Girua

The UV Index varies significantly throughout the year, with January, February, March, October, November, and December categorized as extreme, indicating a high risk of harm from unprotected sun exposure with a burn time of just 10 minutes. April and September are labeled as very high, allowing for 15 minutes of safe exposure. In contrast, May sees a high exposure category with a burn time of 25 minutes, while June and July drop to a moderate risk, extending safe exposure time to 30 minutes. As such, visitors and residents should be particularly vigilant during the extreme months, taking precautions such as wearing sunscreen, protective clothing, and seeking shade during peak sun hours to reduce the risk of skin damage.

Monthly Maximum UV Index for Girua, Brazil

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

The table above highlights how UV exposure in Girua 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.

Girua'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
Girua	15	14	13	10	6	5	5	7	10	13	14	14
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