UV Index in Ijui, Brazil

Last updated: June 2, 2025

In Ijui, Brazil, awareness of the UV Index is crucial for maintaining skin health and preventing sunburn, especially given the area's Cfa climate which often brings high levels of sun exposure. Understanding the UV levels throughout the day can help residents and visitors alike take the necessary precautions to protect themselves from harmful rays. For instance, during peak hours, particularly from 10 AM to 2 PM, the UV Index reaches its highest point of 5, indicating a moderate risk of harm from unprotected sun exposure. By staying informed about daily UV levels, the community can enjoy the sun safely while minimizing risks to their skin health.

Hourly UV Index in Ijui

The UV Index data reveals a dynamic progression throughout the day. Starting at 0 at 7:00 AM, the intensity begins to rise slowly, reaching 1 by 8:00 AM and 9:00 AM. By 10:00 AM, it escalates to 3, indicating a moderate level of UV exposure. 11:00 AM sees the index peak at 4, and the sun reaches its zenith by noon with a UV Index of 5, marking a high risk level. The afternoon maintains this peak at 5 until 1:00 PM, before gradually declining to 4 at 2:00 PM and further down to 3 by 3:00 PM. As the sun sets, the UV radiation drops sharply, returning to 1 at 4:00 PM and 5:00 PM, and finally back to 0 from 6:00 PM onward. Awareness of these fluctuations can guide outdoor plans, ensuring protection during the peak UV 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	0	low	45 min
08:00	1	low	45 min
09:00	1	low	45 min
10:00	3	moderate	30 min
11:00	4	moderate	30 min
12:00	5	moderate	30 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 Ijui

Throughout the year, UV index levels display significant seasonal variation, with extreme exposure categories occurring from January to March and again in October to November. The high-risk months include January, February, March, October, and November, where the UV index reaches 14-15, indicating a burn time as short as 10 minutes. As the seasons progress, UV levels decrease in late spring and summer, peaking at a moderate index of 5 in June and July before rising again in September. To protect yourself, it is crucial to take precautions during these high-risk months, such as seeking shade, wearing protective clothing, and applying sunscreen frequently, especially when you plan to be outdoors for an extended period.

Monthly Maximum UV Index for Ijui, Brazil

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

The table above highlights how UV exposure in Ijui 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.

Ijui'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
Ijui	15	14	12	10	6	5	5	7	10	13	14	15
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