UV Index in Guajara Mirim, Brazil

Last updated: July 2, 2025

In Guajara Mirim, Brazil, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels helps you take proactive measures against sunburn and long-term skin damage, especially during the peak hours of sunlight. With a tropical savanna climate characterized by intense sun exposure, Guajara Mirim experiences UV Index levels that can reach as high as 10 around midday. By staying informed about these levels, residents and visitors alike can enjoy the beautiful outdoor environment while minimizing the risks associated with excessive sun exposure.

Hourly UV Index in Guajara Mirim

The UV Index for today presents a clear pattern of sun intensity, peaking sharply in the early afternoon. Starting off with a low index of 1 at 7 AM and remaining consistent at the same level until 9 AM, the sun's rays gradually intensify. By 10 AM, the index rises to 6, reaching a notable 8 at 11 AM, and soaring to a maximum of 10 between 12 PM and 1 PM—the critical hours for sun exposure. As the day progresses, the intensity begins to decline, dropping back to 8 by 2 PM, then tapering down to 5 by 3 PM. The late afternoon and evening bring a return to safer levels, with the index falling to 1 at 5 PM and fading to 0 by 7 PM. For those planning outdoor activities, it's essential to stay protected during the peak hours!

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	1	low	45 min
09:00	3	moderate	30 min
10:00	6	high	25 min
11:00	8	very high	15 min
12:00	10	very high	15 min
13:00	10	very high	15 min
14:00	8	very high	15 min
15:00	5	moderate	30 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 Guajara Mirim

The UV Index experiences significant highs throughout the year, with extreme levels observed from January to April and in October to December, where the burn time is merely 10 minutes. May marks a slight decline, registering a very high index of 12 and extending the burn time to 15 minutes. June and July maintain a very high index of 10, while August sees a rise back to extreme at 11. The high-risk months for UV exposure, therefore, are January through April and October through December, where protective measures are crucial. Residents and visitors should take heed, using sunscreen, wearing protective clothing, and seeking shade during peak sun hours to minimize the risk of skin damage.

Monthly Maximum UV Index for Guajara Mirim, Brazil

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

The table above highlights how UV exposure in Guajara Mirim 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.

Guajara Mirim'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
Guajara Mirim	15	15	15	15	12	10	10	11	12	15	15	15