Last updated: May 3, 2025
Understanding the UV Index is vital for residents and visitors of All Saints, Antigua and Barbuda, where the sun shines brightly throughout the year under an arid tropical climate. Awareness of UV levels is essential to safeguard against sunburn and maintain long-term skin health, especially during peak hours when UV exposure can rise dramatically. With readings reaching as high as 13 by noon, it becomes crucial to recognize the times of highest risk and to take proactive measures to protect your skin while enjoying the stunning Caribbean sun.
As the sun rises, so does the UV Index, starting gently at 1 at 07:00. By 08:00, it climbs to 3, but the real intensity begins at 09:00 with a sharp increase to 7. The peak of the day arrives at 12:00, reaching a scorching 13, before slightly tapering off through the afternoon. Notably, 11:00 hits 12, making peak sun hours critical for sun safety. As the day progresses, the index drops to 6 by 15:00, tapering gently back to 1 by 17:00, and reaching virtually zero as evening falls at 19:00. This data highlights the importance of sun protection during those midday hours, especially between 10:00 and 14:00 when the UV levels are at their highest. Stay safe and enjoy the sunshine wisely!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 3 | moderate | 30 min |
09:00 | 7 | high | 25 min |
10:00 | 10 | 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 |
During the year, the UV Index experiences significant fluctuations, with extreme levels prevalent from February through October. The highest risk months are March and July, where the UV Index peaks at 13 and 14, respectively, necessitating cautious sun exposure practices. For residents and visitors, it's crucial to stay informed about daily UV levels, especially during these high-risk months, and to adopt protective measures such as wearing sunscreen, hats, and UV-blocking clothing. Remember, even on cloudy days, UV rays can penetrate clouds; thus, it’s vital to remain vigilant throughout the year as burn times range from 10 to 15 minutes depending on the month.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
All Saints | 9 | 11 | 13 | 13 | 13 | 13 | 14 | 13 | 13 | 12 | 9 | 9 |
Bolands UVI | 9 | 11 | 13 | 13 | 13 | 13 | 14 | 13 | 13 | 12 | 9 | 9 |
Liberta UVI | 9 | 11 | 13 | 13 | 13 | 13 | 14 | 13 | 13 | 12 | 9 | 9 |
Piggotts UVI | 9 | 11 | 13 | 13 | 13 | 13 | 14 | 13 | 13 | 12 | 9 | 9 |
Saint John's UVI | 9 | 11 | 13 | 13 | 13 | 13 | 14 | 13 | 13 | 12 | 9 | 9 |