Last updated: July 2, 2025
In Leloaloa, American Samoa, understanding the UV Index is essential for protecting yourself from harmful sun exposure. This tropical paradise enjoys a warm Af climate, which, while beautiful, also means higher UV levels that can quickly lead to sunburn and long-term skin damage. With peak UV Index readings reaching 10 around midday, being aware of these levels can help you make informed decisions about sun safety. Whether you’re exploring the stunning coastline or simply enjoying a walk, knowing when to seek shade or apply sunscreen is crucial for maintaining healthy skin and enjoying all that Leloaloa has to offer.
As the sun ascends in the morning sky, the UV Index gradually rises, starting at a mild 1 at 07:00 and 08:00. By 09:00, it reaches 3, indicating a moderate risk for unprotected skin. The intensity peaks at noon with a striking 9, showcasing the sun's power as it bathes the earth in its rays. The maximum UV Index occurs at 13:00, hitting 10, which signals a very high risk of harm from unprotected sun exposure. As the afternoon progresses, the index diminishes, dropping back to 8 by 14:00 and further declining to 5 at 15:00. By the evening, the sun’s influence wanes with the UV Index falling back to 1 by 17:00 and finally reaching 0 by 19:00. This data underlines the importance of sun safety during peak hours, particularly around midday when UV exposure is at its highest.
| 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 | 5 | moderate | 30 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 5 | moderate | 30 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 shows significant variations throughout the year, with extreme exposure levels primarily in the winter and early spring months. From January to May, the UV Index consistently ranges from 11 to 16, indicating high-risk months, particularly during January to April when burn time is just 10 minutes. In June and July, the Index lowers to 9, categorized as very high, allowing for a slightly longer burn time of 15 minutes. However, levels rise again in August, September, and October, all falling within the extreme category, with burn times reverting to 10 minutes. To ensure safety, residents and visitors alike are advised to limit sun exposure during these high-risk months, seek shade, wear protective clothing, and apply sunscreen consistently when outdoors.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Leloaloa | 16 | 16 | 15 | 13 | 11 | 9 | 9 | 12 | 14 | 15 | 15 | 15 |
| Aua UVI | 16 | 16 | 15 | 13 | 11 | 9 | 9 | 12 | 14 | 15 | 15 | 15 |
| Faleniu UVI | 16 | 16 | 15 | 13 | 11 | 9 | 9 | 12 | 14 | 15 | 15 | 15 |
| Leone UVI | 16 | 16 | 15 | 13 | 11 | 9 | 9 | 12 | 14 | 15 | 15 | 15 |
| Tafuna UVI | 16 | 16 | 15 | 13 | 11 | 9 | 9 | 12 | 14 | 15 | 15 | 15 |
| Pago Pago UVI | 16 | 16 | 15 | 13 | 11 | 9 | 9 | 12 | 14 | 15 | 15 | 15 |