UV Index in Riachao do Dantas, Brazil

Last updated: July 2, 2025

In Riachao do Dantas, Brazil, understanding the UV Index is crucial for maintaining skin health and preventing sunburn. With maximum UV levels peaking at 10 during midday, the risk of skin damage increases, making awareness of these levels essential for residents and visitors alike. The region's tropical climate further exacerbates sun exposure risks, as outdoor activities are common and the sun's intensity can be deceptive early in the day. By staying informed about the UV Index, you can better protect yourself and your loved ones from harmful effects while enjoying the beautiful, sunny days Riachao do Dantas has to offer.

Hourly UV Index in Riachao do Dantas

As the sun rises, the UV Index starts low at 1 at 07:00, making it a safe time for early birds. By 08:00, it climbs to 3, indicating a slight increase in UV exposure. The peak arrives sharply at 11:00 and 12:00, hitting a maximum of 10—a strong reminder to wear sunscreen and seek shade. Following this, the index gradually decreases, dipping to 6 by 14:00 and dropping further to 3 by 15:00. As the day winds down, UV levels return to a comfortable 1 by 16:00, fading to 0 by 18:00. This hourly pattern emphasizes the importance of midday protection while reminding us of the sun's dynamic presence throughout the day.

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	8	very high	15 min
11:00	10	very high	15 min
12:00	10	very high	15 min
13:00	8	very high	15 min
14:00	6	high	25 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 Riachao do Dantas

The UV Index experiences seasonal fluctuations throughout the year, with notably high-risk months from January to April and again in August to November. During these periods, the UV Index remains in the extreme category, peaking at 14 in January, February, March, October, and an alarming 15 in November, with a quick burn time of just 10 minutes. May and June see a slight decrease, with the UV Index at 11 and 10 respectively, indicating a very high risk. As a result, visitors and residents are strongly advised to take precautions against sun exposure year-round, particularly during these high-risk months, including wearing sunscreen, protective clothing, and seeking shade when necessary to prevent sunburn and long-term skin damage.

Monthly Maximum UV Index for Riachao do Dantas, Brazil

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

The table above highlights how UV exposure in Riachao do Dantas 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.

Riachao do Dantas'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
Riachao do Dantas	14	14	14	14	11	10	10	12	13	14	15	14
Fortaleza UVI	14	14	15	15	13	11	11	12	13	13	13	13