UV Index in Caxias do Sul, Brazil

Last updated: May 3, 2025

Understanding the UV Index in Caxias do Sul, Brazil, is crucial for maintaining skin health and preventing sunburns. With its humid subtropical climate (Cfa), Caxias do Sul experiences varying UV levels throughout the day. From late morning to early afternoon, the UV Index can peak at 6, posing a significant risk for overexposure and skin damage. By being aware of daily UV levels, residents can take proactive steps to protect themselves while enjoying the beautiful outdoors, ensuring their skin stays healthy and safe under the sun.

Hourly UV Index in Caxias do Sul

The UV Index forecast showcases a dynamic day ahead, starting off gently in the early morning with values of 1 at 07:00 and 08:00. As the sun rises higher, we see a gradual increase, peaking at 6 between 12:00 and 13:00, indicating a need for sun protection during these hours. Particularly, the 11:00 and 12:00 slots mark significant levels, reaching 5 and 6 respectively, suggesting that outdoor activities should be planned with caution. As the afternoon progresses, the UV Index dips to 5 at 14:00 and continues to fall, descending to 3 by 15:00. By evening, the UV Index returns to a safer level of 1 by 16:00, and drops to 0 from 18:00 onwards, indicating a soothing end to the day.

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	6	high	25 min
14:00	5	moderate	30 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 Caxias do Sul

Throughout the year, UV index levels display significant seasonal variation, with extreme exposure categories occurring from January to March and again in October to November. The high-risk months include January, February, March, October, and November, where the UV index reaches 14-15, indicating a burn time as short as 10 minutes. As the seasons progress, UV levels decrease in late spring and summer, peaking at a moderate index of 5 in June and July before rising again in September. To protect yourself, it is crucial to take precautions during these high-risk months, such as seeking shade, wearing protective clothing, and applying sunscreen frequently, especially when you plan to be outdoors for an extended period.

Monthly Maximum UV Index for Caxias do Sul, Brazil

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

The table above highlights how UV exposure in Caxias do Sul 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.

Caxias do Sul'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
Caxias do Sul	15	14	12	10	6	5	5	7	10	13	14	15
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