Last updated: July 2, 2025
Understanding the UV Index in Kalenaren, Indonesia is crucial for safeguarding your skin and overall health. The UV Index provides a reliable indicator of the sun’s intensity, helping residents and visitors alike make informed decisions about sun exposure to prevent painful sunburns and long-term skin damage. With its tropical Af climate, Kalenaren experiences intense UV rays, peaking between 10 AM and 2 PM with values soaring to a hazardous level of 11. By staying aware of these UV levels, you can better protect yourself against the risks of excessive sun exposure, ensuring a safer and more enjoyable time outdoors in this beautiful region.
At the break of dawn, the UV Index begins its gentle rise, starting at a mild 1 at 07:00. By 08:00, it escalates to a moderate 3, signaling the sun’s growing intensity. Things heat up as the clock strikes 09:00, reaching a 5, before peaking at a striking 11 by 11:00 and 12:00—the time for sun protection is now! As the afternoon wanes, the index gradually declines: down to 9 at 13:00, then settling at 7 by 14:00. The evening brings relief with a drop to 4 by 15:00, further to 2 at 16:00, and eventually fading to 1 at 17:00. By 18:00, the UV implications disappear altogether with a 0, making the evening safe for outdoor activities. Remember, it’s crucial to stay protected during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | 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 | 7 | high | 25 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index data reveals significant seasonal variations in ultraviolet exposure, with the highest risk months being from January to March, where the index reaches up to 15 and the exposure category is labeled as extreme. This trend continues through April and May, tapering to 12 in May, and returning to high values again in July and August. Throughout these high-risk months, the burn time remains critically low at just 10 minutes for most months, necessitating strong sun protection measures. Visitors and residents are urged to exercise caution during this peak UV season. It is essential to apply sunscreen, wear protective clothing, and limit direct sun exposure, especially during peak hours, to mitigate the risk of 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 |
| Medan UVI | 13 | 15 | 15 | 15 | 14 | 12 | 12 | 13 | 14 | 14 | 13 | 12 |
| Kalenaren | 14 | 15 | 15 | 14 | 12 | 10 | 11 | 12 | 14 | 15 | 15 | 14 |
| Bandung UVI | 15 | 16 | 16 | 15 | 12 | 11 | 11 | 12 | 14 | 15 | 15 | 14 |