UV Index in Floriano, Brazil

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents of Floriano, Brazil, where the tropical climate can lead to significant sun exposure. With peak UV levels soaring to 13 during midday, awareness of these levels is essential for preventing sunburn and protecting skin health. Being informed about the UV Index helps you make better decisions about outdoor activities, reducing the risk of skin damage caused by excessive sun exposure. In Floriano's warm environment, knowing when to seek shade or apply sunscreen can make all the difference in ensuring a safe and enjoyable experience under the sun.

Hourly UV Index in Floriano

The UV Index throughout the day showcases a dramatic rise and fall, peaking at 12 around 12:00 PM. The morning starts gently, with a maximum of 3 at 08:00 AM, but by 10:00 AM, it escalates to 10, indicating a significant increase in sun intensity. This reaches its zenith at 12:00 PM, where a UV Index of 13 emphasizes the need for sun protection. The intensity begins to taper off after this peak, dropping to 4 by 15:00 PM and further declining to 1 by 17:00 PM. As the evening approaches, the UV Index effectively returns to 0 after 18:00 PM, signaling the end of sun exposure risk for the day. Be mindful of these fluctuations and prioritize sun safety during 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	3	moderate	30 min
09:00	6	high	25 min
10:00	10	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	11	extreme	10 min
14:00	8	very high	15 min
15:00	4	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 Floriano

Throughout the year, the UV Index remains consistently high, with values peaking at 15 from January to March, indicating an extreme exposure category where unprotected skin can burn in just 10 minutes. The high-risk months stretch from January to April, where the UV index hovers around 14-15. Although there's a slight dip in June and July to 11, the risk remains significant, rising again in the fall months of September and October. Residents and visitors are strongly advised to take precautionary measures during these months by wearing sunscreen, protective clothing, and sunglasses, as well as seeking shade, to minimize the risk of skin damage.

Monthly Maximum UV Index for Floriano, Brazil

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

The table above highlights how UV exposure in Floriano 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.

Floriano'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
Floriano	14	15	15	14	13	11	11	12	13	13	14	14