Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Jayapura, Indonesia, where the sun's intensity can pose serious risks to skin health. With its tropical Af climate, Jayapura experiences high UV levels, particularly during midday hours, making sunburn and long-term skin damage a real concern. By keeping track of the UV Index, you can effectively prevent sunburn and protect your skin during the hottest parts of the day, especially when levels peak at 12 around noon. Stay informed and take necessary precautions to enjoy the sun safely!
As the sun rises, the UV Index begins at a low 1 at 07:00, gradually climbing to a moderate 3 by 08:00. The intensity peaks sharply at 10:00, reaching a maximum of 12 at 11:00 and 12:00, indicating a time when sun exposure can be especially harmful without protection. As the afternoon follows, UV levels drop to 10 at 13:00, then steadily decline to 7 at 14:00 and taper off to 4 by 15:00. In the late afternoon and evening, the index continues to diminish, falling to 2 at 16:00, and finally to 1 by 17:00, before resting at 0 from 18:00 onward. This hourly data highlights the importance of seeking shade and wearing sunscreen during the peak UV hours of the day.
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 | 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 | 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 exhibits notably high levels throughout the year, with the highest values observed from January to April, peaking at 17 in both February and March. This period is classified as extreme, indicating a burn time of just 10 minutes for unprotected skin. May marks a slight decrease to 14, while June and July maintain a high risk with an index of 12. UV exposure remains significant through August (14) and in the early fall with September (15) and October (14). Influenced by consistently high UV levels, it is essential for both visitors and residents to take precautions during these months. Daily sun protection such as sunscreen, hats, and UV-blocking clothing is strongly advised, particularly from late winter through early fall, to safeguard against 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 |
Bandung UVI | 15 | 16 | 16 | 15 | 12 | 11 | 11 | 12 | 14 | 15 | 15 | 14 |
Jayapura | 15 | 17 | 17 | 16 | 14 | 12 | 12 | 14 | 15 | 14 | 14 | 14 |