Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Yallahs, Jamaica, where the sun shines brightly, especially in the peak midday hours. With a tropical climate characterized by high UV exposure, recognizing the daily UV levels is essential for preventing sunburns and protecting skin health. During the hottest part of the day, particularly between 11 AM and 1 PM, the UV Index can soar to levels of 12 or higher, indicating a very high risk of harm from unprotected sun exposure. By staying informed about these fluctuations in UV levels, you can take proactive measures to safeguard your skin and enjoy the beautiful Jamaican sunshine safely.
As the sun rises, the UV Index begins its ascent, starting at a gentle 1 at 7:00 AM. By 8:00 AM, it jumps to 3, a signal to enjoy some morning sun responsibly. The real intensity kicks in at 9:00 AM, peaking at 12:00 PM with a blistering 13—a reminder to seek shade and slather on that sunscreen! After the midday heat, the index begins to decline, dipping to 10 at 2:00 PM, and down to 1 by 5:00 PM. Finally, the day winds down at 6:00 PM with a UV index of 1, wrapping up the daylight hours with minimal UV exposure. Stay sun-safe and keep that SPF handy during those peak hours!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 3 | moderate | 30 min |
09:00 | 6 | high | 25 min |
10:00 | 9 | very high | 15 min |
11:00 | 12 | extreme | 10 min |
12:00 | 13 | extreme | 10 min |
13:00 | 12 | extreme | 10 min |
14:00 | 10 | very high | 15 min |
15:00 | 6 | high | 25 min |
16:00 | 3 | moderate | 30 min |
17:00 | 1 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
The UV Index experiences significant fluctuations throughout the year, with highest levels occurring from February to September, peaking at 14 in April and May. During these months, the exposure category is classified as extreme, with a burn time of just 10 minutes. January and November display very high levels at 9, and December edges lower at 8, but still requires caution, with burn times of 15 minutes. To ensure safety, visitors and residents should prioritize sun protection during high-risk months (February through September), by wearing sunscreen, protective clothing, and seeking shade, especially during midday hours when UV rays are strongest. Staying informed about UV levels can help prevent sunburn and long-term skin damage.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Montego Bay UVI | 9 | 11 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 9 | 8 |
Mandeville UVI | 9 | 11 | 13 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 9 | 8 |
Portmore UVI | 9 | 11 | 13 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 9 | 8 |
Spanish Town UVI | 9 | 11 | 13 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 9 | 8 |
Kingston UVI | 9 | 11 | 13 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 9 | 8 |
Yallahs | 9 | 11 | 13 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 9 | 8 |