Last updated: June 2, 2025
In Ngrejo, Indonesia, understanding the UV Index is crucial for protecting your skin and maintaining overall health. With temperatures often soaring and a climate characterized by intense sunlight, being aware of UV levels can help you prevent sunburn and long-term skin damage. Peak UV exposure typically occurs between 10:00 AM and 1:00 PM, where indices can reach dangerous levels—like 11 at noon—making it essential to take precautions during these hours. Stay informed and safeguarded against the sun's rays to enjoy the beautiful outdoors of Ngrejo safely!
The UV Index for the day presents a dynamic picture of sun intensity, peaking sharply between 11:00 AM and 12:00 PM. At 7:00 AM, the index starts at a serene 1, but by 8:00 AM, it escalates to 4, indicating a need for some sun protection. The intensity continues to climb, reaching a robust 9 by 10:00 AM and hitting its maximum of 11 at 11:00 AM—a clear signal to seek shade and wear sunscreen. As the afternoon rolls in, the index gradually declines, falling to 8 by 1:00 PM and further down to 5 at 2:00 PM. By late afternoon, the numbers dwindle, with the UV Index dropping to 1 or less from 4:00 PM until sunset. This day highlights the essential rhythm of UV exposure, urging us to be sun-smart during those peak hours.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 4 | 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 | 5 | moderate | 30 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 shows consistently high levels throughout the year, peaking in March with an index of 16. The high-risk months are from January to April and again in September to November, where the UV Index is rated as extreme with a burn time of just 10 minutes. With such intensity, it is crucial for both visitors and residents to take protective measures, such as wearing sunscreen with high SPF, donning protective clothing, and seeking shade whenever possible, especially during peak sun hours. To ensure safety during outdoor activities, remain vigilant and plan accordingly to minimize sun exposure.
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 |
Ngrejo | 15 | 15 | 16 | 14 | 12 | 11 | 11 | 13 | 15 | 15 | 15 | 15 |