UV Index in Icatu, Brazil

Last updated: July 2, 2025

Understanding the UV Index is crucial for everyone in Icatu, Brazil, where the sun's rays can be both invigorating and harmful. With a tropical Aw climate, Icatu experiences significant UV exposure, particularly during midday hours when UV levels peak at an intense 11. Being aware of these UV levels not only helps in preventing painful sunburns but also plays a vital role in long-term skin health. As the day progresses, it’s essential to monitor the UV Index to protect yourself and enjoy the beautiful sunny days while keeping your skin safe from potential damage.

Hourly UV Index in Icatu

The UV Index begins its ascent at 07:00 with a low reading of 1, gradually rising to 2 by 08:00. As the day progresses, the intensity of UV radiation peaks at 12:00, hitting a maximum of 11—a critical level where sun protection is essential. Following this zenith, the index starts to decline, measuring 10 at 13:00, then tapering off to 8 by 14:00. By mid-afternoon, the UV Index drops to 5 at 15:00 and continues its downward trajectory, reaching 2 at 16:00. As the sun sets, the UV index decreases to 1 by 17:00 and ultimately settles at 0 by 18:00, signifying the end of significant UV exposure for the day. It's a reminder that while the sun's rays can be intense at midday, the morning and late afternoon offer safer conditions for outdoor activities.

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	5	moderate	30 min
10:00	8	very high	15 min
11:00	10	very high	15 min
12:00	11	extreme	10 min
13:00	10	very high	15 min
14:00	8	very high	15 min
15:00	5	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 Icatu

Throughout the year, the UV Index remains consistently high, with extreme exposure levels recorded across all months. Notably, January to April show the highest UV Index values of 15 or more, reaching a peak of 16 in March, indicating increased risk of harm from unprotected sun exposure. Visitors and residents should be particularly cautious during these high-risk months. Despite a slight decline in July to 11, the UV Index remains above 10 until October, ensuring that burn times are consistently quick at just 10 minutes. To protect yourself, it is advisable to wear sunscreen, seek shade, and wear protective clothing when spending time outdoors, especially during peak hours.

Monthly Maximum UV Index for Icatu, Brazil

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

The table above highlights how UV exposure in Icatu 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.

Icatu'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
Icatu	15	14	16	15	13	12	11	13	13	13	13	13