UV Index in Quarai, Brazil

Last updated: August 1, 2025

In Quarai, Brazil, understanding the UV Index is crucial for safeguarding your skin health and preventing sunburn. With a Cfa climate that often features sunny days, local residents and visitors alike should be aware of UV levels throughout the day. Notably, the UV Index peaks between 11:00 AM and 1:00 PM, reaching levels that require protective measures to avoid harmful effects. By being informed about UV exposure risks, you can enjoy the beautiful Brazilian sun while keeping your skin safe and healthy.

Hourly UV Index in Quarai

At dawn, the UV Index starts at 0 at 07:00, offering a safe environment for morning activities. By 08:00 and 09:00, it creeps up to 1, indicating that while the sun is rising, precautions are still minimal. As the day progresses, the sun intensifies—hitting 2 by 10:00 and surging to 5 at both 12:00 and 13:00, the peak hours for UV exposure. It’s the perfect time to apply sunscreen and seek shade if needed. The intensity begins to wane in the afternoon, dropping to 4 at 14:00 and gradually descending to 3 by 15:00. As the sun sets, the UV Index falls back to 1 at 17:00, and finally returns to 0 by 18:00 and 19:00, signaling the end of a day marked by fluctuating UV levels that necessitate careful planning for sun exposure.

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	3	moderate	30 min
11:00	5	moderate	30 min
12:00	7	high	25 min
13:00	7	high	25 min
14:00	6	high	25 min
15:00	4	moderate	30 min
16:00	2	low	45 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Quarai

The UV Index exhibits significant seasonal fluctuations, particularly peaking during the winter months. January, February, and March register extreme levels, with a UV Index of 15, 14, and 12 respectively, leading to a rapid burn time of 10 minutes. High-risk months continue into October and November, where the UV Index again rises to 12 and 14, demanding similar caution. The transitional months of April and September fall into the very high category, indicating a burn time of 15 minutes, while mid-year months like May, June, July, and August show moderate to high levels of UV radiation. To protect yourself during these high-risk periods, especially between January and March and in late October to November, it’s critical for visitors and residents to utilize proper sun protection such as sunscreen, hats, and clothing to minimize UV exposure.

Monthly Maximum UV Index for Quarai, Brazil

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

The table above highlights how UV exposure in Quarai 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.

Quarai'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
Quarai	15	14	12	9	6	4	5	7	9	12	14	14
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