UV Index in Mongagua, Brazil

Last updated: June 2, 2025

Understanding the UV Index in Mongaguá, Brazil is essential for safeguarding your skin and overall health. With the sun's rays reaching their peak during the day, being aware of UV levels can help prevent sunburn and long-term skin damage. Typically basking in a Cfa climate, Mongaguá experiences a temperate feel, but the risk of exposure can escalate quickly—especially as the UV Index reaches values of 5 and 6 between 11:00 AM and 1:00 PM. Stay informed about these levels to enjoy the beautiful Brazilian sunshine safely!

Hourly UV Index in Mongagua

The UV Index today showcased a notable increase from the early morning hours, starting at a gentle 1 at 07:00 and 08:00. As the sun rose higher in the sky, the index climbed steadily, reaching a significant 6 by 12:00, indicating a peak in UV radiation and the need for sun protection. The afternoon saw a slight decline, with values dropping to 4 at 14:00 and falling further to 2 by 15:00. As the day wound down, the UV index returned to a safer range, ending the day at 0 by 19:00. It’s crucial to stay informed and safeguard your skin during those high 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	1	low	45 min
08:00	1	low	45 min
09:00	2	low	45 min
10:00	4	moderate	30 min
11:00	5	moderate	30 min
12:00	6	high	25 min
13:00	5	moderate	30 min
14:00	4	moderate	30 min
15:00	2	low	45 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 Mongagua

Throughout the year, UV Index levels fluctuate significantly, with the months of January through April and September through November marked by extreme exposure (UV Index 11 and above) and a very short burn time of just 10 minutes. Notably, February and November see a peak UV Index of 14, indicating heightened risk. The high-risk months for UV exposure, therefore, are January, February, September, October, and November. Conversely, during the warmer months of May to August, the UV Index decreases to very high and high categories, with longer burn times of 15 to 25 minutes. Visitors and residents are advised to take precautions during these high-risk periods, such as wearing protective clothing, using high-SPF sunscreen, and seeking shade when UV levels are at their peak.

Monthly Maximum UV Index for Mongagua, Brazil

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

The table above highlights how UV exposure in Mongagua 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.

Mongagua'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
Mongagua	15	14	12	11	8	6	6	9	11	13	14	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