Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Purorejo, Indonesia, where sunshine is abundant year-round. As the sun’s rays can be particularly intense, especially between 10 AM and 1 PM—when the UV Index peaks at 11—being aware of UV levels can help prevent sunburns and protect skin health. With its tropical climate, Purorejo presents unique challenges regarding UV exposure risks. By staying informed and taking appropriate precautions, you can enjoy the sun safely and minimize long-term skin damage. Be proactive about your sun safety; knowledge is your best defense!
The UV Index throughout the day presents a clear narrative of the sun's intensity. Starting at a gentle 1 at 07:00, the day quickly warms up, reaching 4 by 08:00. As the clock strikes 09:00, it escalates to 7, and by 10:00, it peaks at an intense 10. The intensity continues to surge, hitting a maximum of 11 from 11:00 to 12:00—a reminder to apply that sunscreen! Gradually, the index begins to decline, dropping to 9 at 13:00, and then diminishing to 6 by 14:00. From there, the UV levels swiftly taper off, resting at 3 by 15:00, and further declining to 1 by 16:00 and through 17:00. Finally, as the sun sets, the index cools off to 0 by 18:00, offering a soothing end to the day under the diminishing rays of light.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 4 | moderate | 30 min |
09:00 | 7 | high | 25 min |
10:00 | 10 | very high | 15 min |
11:00 | 11 | extreme | 10 min |
12:00 | 11 | extreme | 10 min |
13:00 | 9 | 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 |
The UV Index readings throughout the year indicate consistently high to extreme levels of ultraviolet radiation, particularly during the winter months from January to March and again from September to November. Visitors and residents should be especially cautious during these high-risk periods, as the burn time is minimal at just 10 minutes in many months. April to August sees a slight reduction in UV intensity, but the burn time remains critical, especially in June and July with 15 minutes. Therefore, it is crucial for everyone to adhere to protective measures such as wearing sunscreen, protective clothing, and seeking shade during peak hours to minimize skin damage throughout the year.
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 |
Purorejo | 15 | 15 | 15 | 14 | 12 | 10 | 11 | 14 | 15 | 15 | 15 | 15 |