UV Index in Jundiai, Brazil

Last updated: July 2, 2025

Awareness of the UV Index is crucial in Jundiaí, Brazil, where the sun's rays can pose significant risks to skin health. Understanding UV levels helps residents and visitors alike protect themselves from sunburns and long-term skin damage. With a Cfa climate that offers warm summers and mild winters, Jundiaí experiences peak UV levels around midday, often reaching up to 7—a reminder of the importance of sun safety during outdoor activities. Whether you’re enjoying the beautiful parks or exploring the vibrant city life, staying informed about UV exposure can ensure a safer, more enjoyable experience in this sunny locale.

Hourly UV Index in Jundiai

The UV Index data for the day reveals a dynamic pattern of sun exposure. Starting off at a low level, both 7:00 AM and 8:00 AM maintain a mere index of 1, indicating minimal UV radiation. As the sun climbs higher, 9:00 AM sees the index rise to 3, gradually peaking at 12:00 PM with an intense 7, suggesting it's time for sun protection. The afternoon hours show a slight decline, with 1:00 PM and 2:00 PM still holding strong at 6 and 5 respectively. As the day winds down, the index drops sharply after 3:00 PM, falling back to a 1 by 4:00 PM and eventually reaching 0 by 6:00 PM, marking a safe return from the sun's harsh rays. It's a reminder of the importance of sun safety during those midday 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.
TimeUVICategoryTime to Burn
07:001low45 min
08:001low45 min
09:003moderate30 min
10:004moderate30 min
11:006high25 min
12:007high25 min
13:006high25 min
14:005moderate30 min
15:003moderate30 min
16:001low45 min
17:001low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in Jundiai

Throughout the year, the UV Index experiences significant seasonal fluctuations, with the highest risk months occurring from January to April and then again in September to November, during which the index often exceeds 10 and is classified as extreme. Notably, January and December both peak at a UV Index of 16, indicating a burn time of only 10 minutes for unprotected skin. As the weather warms, there is a slight decrease in UV exposure, recorded in June and July, where the index ranges from 6 to 7—labeled as high and allowing for a somewhat safer 25-minute burn time. Visitors and residents are strongly advised to exercise caution during peak UV months by wearing protective clothing, applying sunscreen regularly, and seeking shade when necessary to minimize the risk of sunburn and long-term skin damage.

Monthly Maximum UV Index for Jundiai, Brazil

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Jundiai. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec16151211867911131416
Data source: Statistical UV Index data for Jundiai, 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 Jundiai UV Index with Other Brazil Cities

The table above highlights how UV exposure in Jundiai 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.
Jundiai's solar exposure compared to other cities in Brazil. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Rio de Janeiro UVI15141310767911121315
Sao Paulo UVI16151211867911131415
Jundiai16151211867911131416
Belo Horizonte UVI171614129781012131416
Salvador UVI1414141310991212151514
Fortaleza UVI141415151311111213131313