Last updated: June 2, 2025
Understanding the UV Index is crucial for the residents of Sumberarumkrajan, Indonesia, where tropical conditions can lead to significant sun exposure. As UV levels can peak at a staggering 10 around midday, awareness of these fluctuations is vital for effective sunburn prevention and overall skin health. With a climate classified as Aw, locals face a consistent risk of harmful UV radiation, making it essential to monitor daily levels and take protective measures. By recognizing when the sun's rays are most intense, you can enjoy the beautiful outdoors while safeguarding your skin from potential damage.
The UV Index today showcases a dynamic range, starting off mild at 7:00 AM with a value of 2. As the day progresses, the sun rises higher, peaking at 11:00 AM and 12:00 PM with a maximum index of 10, indicating very high levels of UV radiation. This midday surge makes 9:00 AM and 10:00 AM critical hours to protect your skin, reaching 7 and 9, respectively. Post-noon, the index gradually declines, dropping to 5 by 2:00 PM, before tapering off to 1 by 4:00 PM and returning to 0 after 6:00 PM. Stay vigilant during the peak hours to ensure safe sun exposure!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 2 | low | 45 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 experiences significant fluctuations throughout the year, consistently remaining in the extreme or very high categories from January to November, with levels peaking in October at 16. The high-risk months for UV exposure are identified as February, March, September, and October, when UV Index values regularly reach 15 or higher, making a burn time of just 10 minutes critical for unprotected skin. Residents and visitors should exercise caution during these months, seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen regularly. Alongside June and July, which feature slightly lower indices of 10 and 11 respectively, they still demand vigilance due to the prolonged sunlight exposure characteristic of summer. Being informed and prepared can help prevent harmful effects from UV radiation 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 |
| Sumberarumkrajan | 14 | 15 | 15 | 14 | 12 | 10 | 11 | 13 | 15 | 16 | 14 | 14 |