UV Index in Sinop, Brazil

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Sinop, Brazil, where the clear skies and warm Aw climate can lead to significant sun exposure. With peak UV levels often reaching as high as 10, it's essential to be aware of the risks associated with high UV radiation, particularly when it comes to preventing painful sunburns and protecting your skin health. During the day, UV exposure can fluctuate dramatically, making it important to check the index regularly to ensure you're taking the necessary precautions. Stay informed and enjoy the sunny days in Sinop while keeping your skin safe!

Hourly UV Index in Sinop

The UV Index today began its ascent at a mild level of 1 at 7:00 AM, but soon picked up momentum. By 10:00 AM, it soared to 8, peaking at a significant 10 from 11:00 AM to 12:00 PM, signaling a time for sun protection. As the afternoon rolled in, the intensity started to wane, dropping to 9 at 1:00 PM and then descending to 6 by 2:00 PM. The sun's rays softened further, concluding the day with a gentle 3 at 3:00 PM and returning to a low 1 by 5:00 PM. Finally, the UV Index waned to 0 by 6:00 PM, marking the end of a day defined by fluctuating sunshine intensity.

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	5	moderate	30 min
10:00	8	very high	15 min
11:00	10	very high	15 min
12:00	10	very high	15 min
13:00	9	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 Sinop

The UV Index in this region exhibits significant seasonal variation, with high-risk months spanning from January to April, where values consistently peak at 16, indicating an extreme exposure category and a rapid burn time of just 10 minutes. As the year progresses into May, the index slightly decreases to 11 but remains in the extreme category. The summer months of June and July show a UV Index of 10, categorized as very high, allowing for a slightly extended burn time of 15 minutes. In August and into the fall months of September and October, the Index returns to 12 and 14 respectively, maintaining the extreme risk. Notably, November and December experience a UV Index of 15, emphasizing the need for continued caution. This data advises visitors and residents to maximize sun protection during these months by wearing sunscreen, protective clothing, and seeking shade to minimize the risk of skin damage.

Monthly Maximum UV Index for Sinop, Brazil

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

The table above highlights how UV exposure in Sinop 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.

Sinop'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
Sinop	16	16	16	14	11	10	10	11	12	14	15	15