Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Randu, Indonesia, where the tropical climate can lead to heightened sun exposure risks. As UV levels often peak at 11 during midday, knowing how to protect your skin is vital in preventing sunburn and promoting long-term skin health. With typical daily sun exposure varying significantly throughout the day, maintaining awareness of these UV levels not only safeguards your skin but also enhances your overall well-being while enjoying the beautiful outdoors. Embrace the sun safely by staying informed on the UV Index and taking proactive measures against its harmful effects!
The UV Index starts off low at 7:00 AM with a reading of 1, making it a safe time to be outdoors. As the sun rises higher, the index climbs dramatically, peaking at 11 by 11:00 AM—a clear indicator that sun protection is essential during this time. Although it remains high at 10 at 12:00 PM, there's a gradual decline from 1:00 PM, where it drops to 8. By mid-afternoon, it further decreases to 6 at 2:00 PM and continues to dwindle until it reaches 0 after 6:00 PM. The data highlights the importance of being sun-smart during the peak hours of 10 AM to 2 PM, when UV exposure is at its highest, ensuring you stay safe while enjoying the outdoors.
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 | 10 | very high | 15 min |
13:00 | 8 | 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 |
The UV Index data indicates consistently extreme exposure levels throughout the year, with a notable high-risk period from January to April and again in September to November, where values reach up to 16 in October. Visitors and residents alike should be particularly vigilant during these months, as the burn time remains a rapid 10 minutes across all months analyzed. It is essential to adopt protective measures such as wearing sunscreen, hats, and protective clothing when outdoors, regardless of the month, to minimize the risk of skin damage from the sun's rays.
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 |
Bandung UVI | 15 | 16 | 16 | 15 | 12 | 11 | 11 | 12 | 14 | 15 | 15 | 14 |
Randu | 15 | 15 | 15 | 14 | 12 | 11 | 11 | 13 | 15 | 16 | 15 | 15 |