Last updated: June 2, 2025
In Cempaka, Indonesia, being aware of the UV Index is crucial for both sunburn prevention and maintaining long-term skin health. With a tropical climate characterized by high UV exposure, understanding the daily fluctuations in UV levels can help residents and visitors alike protect themselves from harmful rays, especially when the index peaks at a dangerous level of 11 during midday. Armed with the knowledge of when to seek shade or apply sunscreen, you can enjoy the vibrant beauty of Cempaka while keeping your skin safe from the risks of overexposure.
The UV Index throughout the day showcases a striking progression, peaking at 11 between 11:00 and 12:00. Early in the morning, the index is low, starting at 1 at 07:00, then steadily climbs to 3 by 08:00 and 5 by 09:00. As the sun reaches its zenith, the intensity escalates rapidly, hitting a high of 8 by 10:00. This intense exposure continues, making 11:00 and 12:00 critical hours for sun safety, especially for outdoor activities. The afternoon sees a gradual decline, with the index falling to 10 at 13:00 and tapering off to 8 at 14:00. By late afternoon, the UV strength diminishes further, dropping to 5 by 15:00, and finishing the day at a negligible 0 by 19:00, highlighting the importance of sun protection 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 | 10 | very high | 15 min |
14:00 | 8 | very high | 15 min |
15:00 | 5 | 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 |
Throughout the year, the UV Index remains consistently high, indicating extreme exposure risks, particularly from January to April with values peaking at 16 in February and March. This high-risk period suggests that sun protection is crucial, as the burn time is as little as 10 minutes for all months listed. As the year progresses, UV levels slightly decrease, particularly in June through August, but still remain in the high category. Residents and visitors should take precautions year-round by wearing protective clothing, applying sunscreen, and seeking shade during peak sunlight hours to avoid skin damage. It's essential to stay vigilant, as October to December still presents considerable UV risks with indices around 14-15.
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 |
Cempaka | 14 | 16 | 16 | 15 | 13 | 11 | 12 | 13 | 14 | 15 | 14 | 14 |