Last updated: May 3, 2025
In Candi Prambanan, Indonesia, understanding the UV Index is essential for safeguarding your skin health and preventing sunburn. With tropical conditions characterized by high sun exposure, the UV levels can soar, especially during midday hours, peaking at an intense UV Index of 13 around noon. By being aware of these levels, visitors can take appropriate precautions while exploring this stunning UNESCO World Heritage Site. Whether you're basking in the beauty of the intricate temples or enjoying the vibrant surroundings, knowing when to seek shade or apply sunscreen can make all the difference in having a safe and enjoyable experience in this sun-drenched paradise.
The UV Index throughout the day reflects a dramatic rise and fall in sun exposure risk. Starting at a low 2 at 07:00, the index climbs steadily, peaking at a striking 13 by 11:00, signaling a high risk for harmful UV radiation. From this zenith, it gradually decreases, dipping to 6 by 14:00, then dropping further to 3 at 15:00. As the sun sets, the index minimizes, reaching 1 by 16:00 and falling to a safe 0 by 18:00. This data underscores the importance of protective measures during the midday hours when UV exposure is most potent!
| 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 | 11 | extreme | 10 min |
| 11:00 | 13 | 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 |
During the year, UV levels are notably high, particularly from January to March and then again in September and October, where the UV Index reaches extreme levels of 15 to 16. The highest risk months for UV exposure are therefore deemed to be February, March, and October, where the UV Index consistently hits 16. Even during the summer months, such as June and July, the exposure category remains high, with burn times dropping to about 10-15 minutes depending on the month. As such, it is essential for both visitors and residents to take precautionary measures during these high-risk periods. Wearing sunscreen with a high SPF, donning protective clothing, and seeking shade during peak hours are highly advised to lower the risk of overexposure and skin damage. Stay vigilant and safe in the sun!
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 |
| Candi Prambanan | 15 | 16 | 16 | 14 | 13 | 10 | 11 | 13 | 15 | 16 | 15 | 14 |