Last updated: July 2, 2025
In Magas Arriba, Puerto Rico, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels helps prevent sunburns and reduces the risk of long-term skin damage, especially in regions with intense sunlight. With a tropical climate that boasts consistent high UV exposure, particularly between 11:00 AM and 1:00 PM, residents and visitors alike should take proactive measures to shield themselves from harmful rays. Whether you're lounging on the beach or enjoying outdoor activities, staying informed about the UV Index can make all the difference in ensuring a safe and enjoyable time under the sun.
As the sun rises, the UV Index starts at a gentle 1 by 7:00 AM, perfect for early risers enjoying the fresh morning air. By 9:00 AM, it escalates to a moderate 5, signaling it's time to think about sun protection. The peak arrives at 12:00 PM, when the index hits a scorching 13, marking the sun’s most aggressive rays. For the next hour, it remains at this intense level before gradually declining through the afternoon: 11 at 1:00 PM, 8 at 3:00 PM, and finally down to 4 by 4:00 PM. As the sun sets, the UV Index drops to a safe 1 by 6:00 PM, then to a calming 0 by 7:00 PM, inviting a warm evening to unwind. Enjoy the day, but remember to shield yourself during those peak hours!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 5 | moderate | 30 min |
10:00 | 8 | very high | 15 min |
11:00 | 11 | extreme | 10 min |
12:00 | 13 | extreme | 10 min |
13:00 | 13 | extreme | 10 min |
14:00 | 11 | extreme | 10 min |
15:00 | 8 | very high | 15 min |
16:00 | 4 | moderate | 30 min |
17:00 | 2 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
The UV Index experiences significant fluctuations throughout the year, peaking during the spring and summer months. From February to October, the index reaches extreme levels, particularly April through October, with a maximum of 14 in April and May, requiring only 10 minutes of exposure for skin damage. January, November, and December are categorized as very high, with longer burn times of 15 minutes. Visitors and residents should exercise caution during the high-risk months of February to October by wearing protective clothing, applying sunscreen, and seeking shade, particularly during midday hours, to minimize the risk of skin damage from harmful UV radiation.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Caguas UVI | 9 | 11 | 13 | 13 | 14 | 13 | 12 | 13 | 13 | 12 | 9 | 8 |
Carolina UVI | 9 | 11 | 13 | 13 | 14 | 13 | 12 | 13 | 13 | 12 | 9 | 8 |
San Juan UVI | 9 | 11 | 13 | 13 | 14 | 13 | 12 | 13 | 13 | 12 | 9 | 8 |
Bayamon UVI | 9 | 11 | 13 | 13 | 14 | 13 | 13 | 13 | 13 | 12 | 9 | 8 |
Magas Arriba | 9 | 11 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 9 | 8 |
Ponce UVI | 9 | 11 | 13 | 14 | 14 | 13 | 13 | 13 | 14 | 12 | 10 | 9 |