Last updated: May 3, 2025
Understanding the UV Index is essential for residents and visitors of Karanglo, Indonesia, where the tropical climate can lead to high sun exposure. With UV levels peaking at 12 around midday, awareness of UV index readings is crucial for effective sunburn prevention and maintaining overall skin health. Familiarizing yourself with daily UV fluctuations helps to safeguard against the harmful effects of intense sun exposure, especially in this climate where both tourists and locals enjoy outdoor activities year-round. Whether you're basking in the sun or engaging in outdoor adventures, staying informed about UV risks can make all the difference in protecting your skin.
Today’s UV Index presents a fascinating daily pattern of sun exposure. Starting at 07:00 AM, the index begins modestly at 2, indicating low UV radiation. As the morning progresses, it climbs steadily, peaking dramatically at 12 between 11:00 AM and 12:00 PM, signaling the height of solar intensity. By 10:00 AM, we already hit a significant 10, urging caution for those outdoors. After noon, the index starts to decline, dropping to 6 by 2:00 PM and continuing its descent to 1 by 4:00 PM, where it stabilizes until sunset. The UV radiation finally fades to 0 by 6:00 PM, marking the end of the sun's harsh rays. Remember to protect your skin during those high UV hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 10 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 3 | 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 |
Throughout the year, the UV Index exhibits significant seasonal variations, with extreme levels notably persisting from January to April, peaking in February at 16. These high levels continue through most of the warmer months, with July and August also recorded as high-risk months, indicating a UV Index as high as 13. While UV intensity decreases slightly in June, the very high exposure category still warrants caution with a burn time of just 15 minutes. As the year progresses into the fall and winter months, UV levels remain consistent around 14, categorized as extreme, emphasizing that even in colder months, UV protection is crucial. Therefore, residents and visitors should take proactive measures such as applying sunscreen, wearing protective clothing, and limiting sun exposure during peak hours, especially from January through September.
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 |
| Karanglo | 14 | 16 | 15 | 13 | 12 | 10 | 11 | 13 | 14 | 14 | 14 | 14 |
| 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 |