UV Index in San Julian, Bolivia

Last updated: June 2, 2025

Understanding the UV Index in San Julian, Bolivia is crucial for safeguarding your skin and overall health. With the sun's intensity peaking during midday hours, high UV levels can lead to sunburn and long-term skin damage if proper precautions aren’t taken. This region, characterized by a warm temperate climate, experiences varied UV exposure risks throughout the day, particularly between 10 AM and 3 PM when the index can soar to 8. By staying informed about the UV levels, you can enjoy the outdoors while taking steps to protect your skin from harmful rays.

Hourly UV Index in San Julian

At sunrise, the UV Index begins at a gentle 1 at 07:00, rising gradually as the sun climbs higher. By 09:00, it reaches 3, indicating a moderate level of UV radiation. The heat of the day peaks at 12:00 with a high of 8, suggesting it’s time to seek shade or apply sunscreen. As the afternoon progresses, the index slightly drops to 7 at 13:00 and continues to decline, settling at 3 by 15:00. As the sun starts to set, the risk diminishing to 1 at 17:00 and finally dropping to 0 by 18:00, signaling a safer time for outdoor activities as the day winds down. Be mindful of the midday sun to protect your skin!

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
10:005moderate30 min
11:007high25 min
12:008very high15 min
13:007high25 min
14:006high25 min
15:003moderate30 min
16:002low45 min
17:001low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in San Julian

The UV Index demonstrates significant seasonal variation, with extreme levels observed from January to April and again in October through December. The highest monthly readings are recorded in November (16) and December (16), signaling high-risk months for UV exposure. March remains notably high at an index of 14. The UV Index drops to the very high category during the summer months of May through August, where burn times increase to 15 minutes. Visitors and residents should be especially cautious and protect themselves from UV rays during the extreme exposure months, regardless of the season. It is advisable to wear protective clothing, apply broad-spectrum sunscreen, and seek shade whenever possible, particularly during peak sunlight hours.

Monthly Maximum UV Index for San Julian, Bolivia

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in San Julian. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec1515141310891012151616
Data source: Statistical UV Index data for San Julian, 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 San Julian UV Index with Other Bolivia Cities

The table above highlights how UV exposure in San Julian compares to other major locations across Bolivia. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
San Julian's solar exposure compared to other cities in Bolivia. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
San Julian1515141310891012151616
Santa Cruz de la Sierra UVI1515141310891012151616
Sucre UVI17171614119101215171718
Sacaba UVI171817151210101315171819
Cochabamba UVI181817151210111316181819
Oruro UVI191917161310111416191919