Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Ngondokandawu, Indonesia, where the sun shines brightly in the tropical Aw climate. Awareness of UV levels is essential not only for preventing sunburn but also for maintaining overall skin health, as prolonged exposure can lead to serious issues. On sunny days, the UV Index can reach a peak of 11 around midday, indicating an extreme risk for harm from unprotected sun exposure. By staying informed about the UV Index, residents can take necessary precautions to protect their skin and enjoy the beautiful weather safely.
The UV Index throughout the day paints a clear picture of sun intensity, starting from a gentle 1 at 07:00 and peaking at an intense 11 by 12:00. From 09:00 to 13:00, the index steadily rises, reaching its zenith with a scorching 10 at 11:00. As afternoon approaches, the UV levels begin to gradually drop, hitting 5 by 15:00 and tapering off significantly to a mere 1 by 17:00. By 18:00, the sun's rays diminish entirely, with the index falling to 0. It's clear that midday offers the most sun exposure, making that time crucial for sun protection!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 4 | moderate | 30 min |
10:00 | 8 | very high | 15 min |
11:00 | 10 | very high | 15 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 shows significant changes, with extreme exposure levels predominating from January through November, peaking at 16 in February and March. The high-risk months for sun exposure are January, February, March, April, and July, where the UV Index remains consistently high at 15-16. Even in the summer, though the UV Index slightly decreases in June to 10, it still falls within the very high category. Visitors and residents should take precautionary measures—from wearing sunscreen and protective clothing to seeking shade, especially during peak sun hours—to avoid harmful effects of UV radiation. Remember: direct sun exposure of as little as 10 minutes can lead to sunburn in high-risk months!
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 |
Ngondokandawu | 15 | 16 | 16 | 15 | 12 | 10 | 11 | 13 | 15 | 15 | 15 | 15 |