UV Index in Prainha, Brazil

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors of Prainha, Brazil, where the sun shines brightly, particularly during the summer months. With an Am climate characterized by warm temperatures, awareness of UV levels is essential for preventing sunburn and maintaining long-term skin health. During midday, UV Index levels can soar to 11, indicating extreme risk of harm from unprotected sun exposure. By staying informed about these UV levels, you can enjoy the sun safely while safeguarding your skin against its harmful effects.

Hourly UV Index in Prainha

As the sun rises and warms the day, the UV Index begins at a mild 1 at 07:00 and 08:00, making it safe to venture outdoors without much protection. By 09:00, it jumps to a moderate 3, hinting at the increasing intensity. The real peak arrives between 11:00 and 13:00, where the index soars to an impressive 11, signifying a high risk of harm from unprotected sun exposure. As the afternoon rolls on, the index gradually dips, dropping to 10 at 14:00 and then descending through the late afternoon to 2 by 17:00. The sun sets the scene for a safe evening as the index returns to 1 at 18:00, finally resting at 0 by 19:00. This hourly dance of UV radiation highlights the importance of sun safety during those peak 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	3	moderate	30 min
10:00	6	high	25 min
11:00	9	very high	15 min
12:00	11	extreme	10 min
13:00	11	extreme	10 min
14:00	10	very high	15 min
15:00	7	high	25 min
16:00	4	moderate	30 min
17:00	2	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Prainha

Throughout the year, the UV Index remains consistently high, with extreme exposure categories from January to November. The highest levels are observed from March to May, peaking at 16, while December sees a slight reduction to 13. Consequently, the high-risk months are March and April due to their maximum index values. For visitors and residents, it is crucial to take protective measures during these months, particularly between 10 a.m. and 4 p.m., as burn times are alarmingly short at 10 minutes year-round. Sunscreen, protective clothing, and seeking shade are essential precautions to mitigate the risk of UV exposure.

Monthly Maximum UV Index for Prainha, Brazil

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

The table above highlights how UV exposure in Prainha 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.

Prainha'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
Prainha	15	15	16	16	14	12	11	12	12	13	13	13