Last updated: July 2, 2025
In Karangtalun, Indonesia, understanding the UV Index is crucial for ensuring your skin's health and preventing sunburn, especially in a region that experiences a warm, tropical climate. The UV levels fluctuate throughout the day, peaking at a high of 11 between 11:00 AM and 12:00 PM, which indicates an extreme risk for unprotected skin. Awareness of these levels is key for residents and visitors alike, as even short exposure during peak hours can lead to lasting damage. By staying informed about the UV Index, you can effectively plan your outdoor activities and protect yourself against the risks of overexposure to harmful ultraviolet rays.
At dawn, the UV Index starts low at 1 at 7:00 AM, making for a gentle introduction to the day. As the sun climbs, activity heats up, peaking sharply at 11 between 11:00 AM and 12:00 PM—the perfect time for sun lovers to bask in its glory. However, by 1:00 PM, the index begins to taper off to 9, gently reminding us to seek shade. The afternoon sees a gradual decline, dropping to 4 by 3:00 PM and finishing strong yet mellow at 1 by 4:00 PM through 5:00 PM. As the sun sets, the UV Index fades to 0 after 6:00 PM, signaling it’s time to wrap up outdoor adventures. Overall, this data illustrates the day's sun intensity, emphasizing the importance of sun safety during 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 | 11 | extreme | 10 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 1 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV index exhibits extremely high levels throughout most of the year, with particularly hazardous months being January through April and July through November, where the index consistently remains between 12 and 16. Notably, February peaks at a UV Index of 16, indicating a critical risk for skin damage with a burn time of only 10 minutes. Even in June, while the UV exposure is categorized as very high at 10, the burn time extends to 15 minutes. Visitors and residents are strongly advised to take precautions during these months, including wearing protective clothing, applying broad-spectrum sunscreen with high SPF, and seeking shade during peak sunlight hours to minimize the risk of UV exposure and skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Surabaya UVI | 13 | 15 | 14 | 12 | 12 | 10 | 11 | 12 | 14 | 13 | 13 | 13 |
| Bekasi UVI | 14 | 16 | 16 | 14 | 11 | 10 | 10 | 11 | 13 | 15 | 14 | 13 |
| Jakarta UVI | 14 | 16 | 16 | 14 | 11 | 10 | 10 | 11 | 13 | 15 | 14 | 13 |
| Karangtalun | 14 | 16 | 15 | 13 | 12 | 10 | 11 | 12 | 14 | 14 | 14 | 13 |
| Medan UVI | 13 | 15 | 15 | 15 | 14 | 12 | 12 | 13 | 14 | 14 | 13 | 12 |
| Bandung UVI | 15 | 16 | 16 | 15 | 12 | 11 | 11 | 12 | 14 | 15 | 15 | 14 |