Last updated: July 2, 2025
As residents and visitors of Madolenihm Municipality in Micronesia, being aware of the UV Index is crucial for protecting skin health and preventing sunburn. Understanding the varying UV levels throughout the day can significantly reduce the risk of harmful effects from sun exposure. With a tropical climate characterized by high UV radiation—especially peaking between 12:00 PM and 1:00 PM when the index can reach 13—it’s essential to stay informed and take proactive measures for sun safety. By monitoring the UV Index, you can enjoy the beautiful outdoors while keeping your skin safe from the sun's harmful rays.
As the day unfolds, the UV Index rises steadily, reaching its peak between 12:00 PM and 1:00 PM with a remarkable index of 13. The sun's intensity starts to build from 8:00 AM with a value of 2, rapidly climbing to 8 by 10:00 AM. From 11:00 AM, the heat peaks at 12, only to slightly wane to 11 by 2:00 PM. Gradually, the UV Index declines, dropping to 8 at 3:00 PM, and then diminishing further to 4 by 4:00 PM. As evening approaches, the index returns to a more manageable level, resting at 2 by 5:00 PM and finally settling at 0 after 7:00 PM. Stay protected during the midday sun, when UV levels soar!
| 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 | 12 | 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 data reveals a consistent trend of extreme sun exposure throughout the year, with notable peaks from February to April, where UV levels reach a maximum of 16. High-risk months for sunburn are primarily March and April, marked by prolonged exposure times of just 10 minutes before burning occurs. Visitors and residents are strongly advised to take precautions year-round, especially during these peak months, by wearing sunscreen, protective clothing, and sunglasses, while also seeking shade during peak sun hours to minimize the risk of UV damage. Being aware and proactive is key to enjoying outdoor activities safely.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kolonia Town UVI | 13 | 14 | 16 | 16 | 14 | 14 | 13 | 14 | 14 | 14 | 13 | 11 |
| Kolonia UVI | 13 | 14 | 16 | 16 | 14 | 14 | 13 | 14 | 14 | 14 | 13 | 11 |
| Madolenihm Municipality Government | 13 | 14 | 16 | 16 | 14 | 14 | 13 | 14 | 14 | 14 | 13 | 11 |
| Colonia UVI | 12 | 14 | 16 | 16 | 14 | 13 | 14 | 15 | 14 | 14 | 12 | 11 |
| Weno UVI | 13 | 15 | 16 | 16 | 14 | 14 | 14 | 14 | 14 | 14 | 12 | 12 |
| Tofol UVI | 14 | 15 | 16 | 16 | 15 | 13 | 13 | 14 | 14 | 13 | 12 | 12 |