Last updated: July 2, 2025
In Tista, Indonesia, understanding the UV Index is crucial for protecting your skin and overall health. With a tropical climate characterized by high sun exposure, knowing the daily UV levels can help you prevent sunburn and reduce long-term skin damage. During peak hours, especially between 11 AM and 1 PM, the UV Index can soar to alarming levels of 11, posing significant risks to your skin if proper precautions aren't taken. Stay informed and arm yourself with the knowledge to enjoy the sun safely!
The UV Index for the day presents a clear picture of sun intensity, starting off gentle in the early hours. At 7:00 AM, it begins at a mild 1, increasing to 2 by 8:00 AM. As the sun rises higher, the index climbs rapidly; by 10:00 AM, it reaches 7 and peaks at an intense 11 around 12:00 PM and 1:00 PM. After this zenith, the levels gradually decline, dropping to 9 by 2:00 PM, 6 at 3:00 PM, and settling back to a safe 1 by 5:00 PM. The UV exposure diminishes further, reaching a low of 0 by 7:00 PM. Stay protected during those peak hours!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 4 | moderate | 30 min |
10:00 | 7 | high | 25 min |
11:00 | 10 | very high | 15 min |
12:00 | 11 | extreme | 10 min |
13:00 | 11 | extreme | 10 min |
14:00 | 9 | very high | 15 min |
15:00 | 6 | high | 25 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 seasonal UV changes indicate that January through April maintain an extreme UV Index of 15, with consistent burn times of just 10 minutes. As we transition into May and June, the UV levels decrease slightly to 12 and 10, respectively, but remain in the very high to extreme categories. The peak summer months of July and August see a jump back to an extreme rating with a burn time of 10 minutes, while September and October return to an extreme level of 15. November and December continue this trend with UV indices of 14, ensuring that high-risk months span throughout the year, particularly from January to September. Therefore, it is crucial for visitors and residents alike to adopt strict sun protection measures, such as applying sunscreen regularly, wearing protective clothing, and seeking shade to minimize exposure, especially during peak UV hours.
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 |
Tista | 15 | 15 | 15 | 14 | 12 | 10 | 11 | 13 | 15 | 15 | 14 | 14 |