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UV Index in Ascension, Bolivia

Last updated: August 1, 2025

Understanding the UV Index in Ascension, Bolivia is essential for safeguarding your skin and overall health. With the region’s Aw climate, characterized by warm temperatures and strong sun exposure, awareness of UV levels can significantly aid in sunburn prevention and promote long-term skin health. During peak hours, particularly from 10 AM to 2 PM, UV levels can reach a concerning 9, signaling a high risk for unprotected skin. By keeping an eye on the UV Index, residents and visitors can take proactive measures to protect themselves from harmful rays, ensuring a safer and more enjoyable outdoor experience.

Hourly UV Index in Ascension

As the sun rises, the UV Index starts off low at a comfortable 1 from 7:00 AM to 8:00 AM. By 9:00 AM, it jumps to 3, signaling a gradual increase in sun exposure. The intensity peaks around 12:00 PM, reaching an impressive 9, making midday the most critical time for sun safety. As the afternoon unfolds, the index slowly declines; it drops to 7 by 2:00 PM, then further decreases to 4 at 3:00 PM. The later hours offer a gentle reprieve, with values falling to 1 by 5:00 PM and ultimately 0 by 6:00 PM. Remember, during those peak hours, it’s essential 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
08:002low45 min
09:004moderate30 min
10:007high25 min
11:009very high15 min
12:0010very high15 min
13:0010very high15 min
14:008very high15 min
15:005moderate30 min
16:002low45 min
17:001low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in Ascension

The UV Index shows significant seasonal fluctuations, indicating that the months from January through April maintain an extremely high risk level with a consistent UV Index of 15 and a burn time of only 10 minutes. Although there is a slight decrease in May and June with the UV Index dropping to 10 and 9 respectively, the risk remains categorized as very high, allowing for 15 minutes of safe exposure. The trend shifts back to extreme levels in September, peaking again towards the end of the year with October and December reaching a UV Index of 15 and 16 respectively. Given these conditions, it is crucial for both residents and visitors to prioritize sun protection, especially during the high-risk months from January to April and again in October and December, utilizing sunscreen, wearing protective clothing, and seeking shade to minimize harmful effects from UV radiation.

Monthly Maximum UV Index for Ascension, Bolivia

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Ascension. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec1515151310991011151516
Data source: Statistical UV Index data for Ascension, 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 Ascension UV Index with Other Bolivia Cities

The table above highlights how UV exposure in Ascension 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.
Ascension's solar exposure compared to other cities in Bolivia. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Santa Cruz de la Sierra UVI1515141310891012151616
Ascension1515151310991011151516
Sucre UVI17171614119101215171718
Sacaba UVI171817151210101315171819
Cochabamba UVI181817151210111316181819
Oruro UVI191917161310111416191919