Last updated: July 2, 2025
In the City of Isabela, Philippines, being aware of the UV Index is essential for safeguarding your skin and overall health. Understanding UV levels helps residents and visitors alike to take necessary precautions against sunburn and long-term skin damage, particularly during the peak hours of exposure. With a tropical wet and dry climate, Isabela experiences high UV levels, especially around noon, with indices soaring to a maximum of 13—putting individuals at significant risk for harmful UV radiation. Stay informed and proactive to enjoy the sun safely!
The UV Index for the day showcases a notable peak in sun intensity, reaching a maximum of 13 at 11:00 AM and holding steady for an hour thereafter. As the morning progresses, UV levels rise sharply from a mild 1 at 7:00 AM to a striking 10 by 10:00 AM, signaling that sun protection becomes increasingly important. Post-noon, a gradual decline ensues, with UV levels tapering off to 9 at 2:00 PM, then gently falling to 5 by 3:00 PM, and further dwindling to a low of 0 by 7:00 PM. This dynamic pattern emphasizes the critical hours when the sun is strongest—midday, when outdoor activities demand vigilance against UV exposure.
| 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 | 13 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 9 | 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 data reveals extremely high levels of solar radiation throughout the year, with January through April registering the highest values. March stands out as the peak month, reaching a remarkable UV Index of 16, indicating a burn time of just 10 minutes for exposed skin. Other high-risk months include February, April, and August, each with a UV Index between 15 and 16, suggesting consistent danger during these periods. Visitors and residents are strongly advised to take precautionary measures during these months, including wearing protective clothing, using sunscreen with high SPF, and seeking shade, especially when outdoors for extended periods. Remember, with such extreme levels of UV radiation, it is crucial to stay informed and prioritize skin safety all year round.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Caloocan City UVI | 11 | 13 | 15 | 15 | 13 | 14 | 13 | 14 | 14 | 13 | 10 | 10 |
| Quezon City UVI | 11 | 13 | 15 | 15 | 13 | 14 | 13 | 14 | 14 | 13 | 10 | 10 |
| Manila UVI | 11 | 13 | 14 | 14 | 13 | 13 | 13 | 14 | 14 | 13 | 10 | 10 |
| Budta UVI | 13 | 15 | 16 | 16 | 14 | 13 | 14 | 14 | 15 | 14 | 13 | 11 |
| Davao UVI | 13 | 15 | 16 | 15 | 15 | 13 | 14 | 14 | 15 | 14 | 13 | 11 |
| City of Isabela | 13 | 15 | 16 | 16 | 15 | 13 | 13 | 15 | 15 | 14 | 13 | 12 |