UV Index in Arraias, Brazil

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors in Arraias, Brazil, where the warm Aw climate can lead to heightened sun exposure risks. With UV levels peaking at 11 between noon and 1 PM, awareness of these fluctuations can help prevent sunburn and promote long-term skin health. As the sun's intensity varies throughout the day, knowing when to seek shade or apply sunscreen is vital for protecting yourself from the harmful effects of UV rays. Stay informed to enjoy the beautiful sun while keeping your skin safe!

Hourly UV Index in Arraias

The UV Index paints an intriguing picture throughout the day. Early morning starts off mild with a maximum of 1 at 07:00. As the sun rises, the intensity ramps up, reaching 2 by 08:00 and then skyrocketing to 5 by 09:00. The peak is at 12:00, where the index hits a striking 11, indicating significant sun exposure risk. This intensity begins to taper post-lunch, with values declining to 10 at 13:00, then gradually falling to 8 at 14:00, and further down to 4 by 15:00. As the evening approaches, the UV Index dwindles to 2 by 16:00, and by 17:00, it drops to 1, finally reaching 0 at 18:00 and 19:00. It's a day where sun protection is crucial during midday hours—stay safe and enjoy the sunshine!

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	2	low	45 min
09:00	5	moderate	30 min
10:00	8	very high	15 min
11:00	10	very high	15 min
12:00	11	extreme	10 min
13:00	10	very high	15 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 Arraias

Throughout the year, UV levels exhibit significant seasonal changes, with extreme UV Index values dominating from January to April (UV Index 16 to 13), and again from August to November (UV Index 12 to 15). These months, particularly January to April and August, pose the highest risk, with a burn time of just 10 minutes. In contrast, June and July see a slight dip to a very high exposure category but still require caution, allowing a burn time of 15 minutes. Visitors and residents are advised to take proactive sun protection measures during these high-risk months—wearing sunscreen, protective clothing, and seeking shade whenever possible to mitigate harmful UV exposure.

Monthly Maximum UV Index for Arraias, Brazil

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

The table above highlights how UV exposure in Arraias 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.

Arraias'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
Arraias	16	15	14	13	11	9	10	12	13	15	15	15