Last updated: June 2, 2025
In Canada Hornillos, Bolivia, being aware of the UV Index is crucial for maintaining healthy skin and preventing sunburn. With UV levels peaking in the midday hours, understanding these fluctuations can help residents and visitors alike safeguard their skin from harmful exposure. The region's Cwb climate, characterized by its cool temperatures and distinct wet and dry seasons, still presents notable UV risks—especially between 11:00 AM and 1:00 PM, when the UV index reaches a high of 9. By staying informed about daily UV levels, you can enjoy the outdoors safely while protecting your skin's health.
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!
| 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 | 8 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index experiences seasonal changes, with the highest values recorded during the winter months of November and December, both reaching an index of 18 and categorized as extreme, necessitating careful protection from the sun. The months of January through April maintain consistently high levels between 15 and 17, indicating that exposure is particularly hazardous, with a quick burn time of just 10 minutes. May and August still present high risks, showing an index of 12, while June and July drop slightly to 9 and 10, yet remain classified as very high, allowing for a slightly longer burn time of 15 minutes. As a precaution, residents and visitors should prioritize sun safety especially from November to April, utilizing sunblock, wearing protective clothing, and seeking shade during peak hours to mitigate the risk of skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Santa Cruz de la Sierra UVI | 15 | 15 | 14 | 13 | 10 | 8 | 9 | 10 | 12 | 15 | 16 | 16 |
| Sucre UVI | 17 | 17 | 16 | 14 | 11 | 9 | 10 | 12 | 15 | 17 | 17 | 18 |
| Canada Hornillos | 17 | 17 | 16 | 15 | 12 | 9 | 10 | 12 | 15 | 17 | 18 | 18 |
| Sacaba UVI | 17 | 18 | 17 | 15 | 12 | 10 | 10 | 13 | 15 | 17 | 18 | 19 |
| Cochabamba UVI | 18 | 18 | 17 | 15 | 12 | 10 | 11 | 13 | 16 | 18 | 18 | 19 |
| Oruro UVI | 19 | 19 | 17 | 16 | 13 | 10 | 11 | 14 | 16 | 19 | 19 | 19 |