Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Tomu, Indonesia, where the tropical climate brings heightened exposure to harmful ultraviolet rays. With UV levels peaking at a significant 14 around midday, awareness of sun intensity is essential for preventing sunburn and maintaining skin health. The unique climate of Tomu, characterized by its warm temperatures and reflective surfaces, increases the risk of skin damage if precautions aren't taken. By monitoring the UV Index, you can enjoy the sun safely and ensure your outdoor activities do not compromise your skin’s wellbeing.
At 07:00, the UV Index starts off modestly at 1, perfect for a gentle morning stroll. However, by 08:00, it rises to 3, hinting that the sun is becoming more prominent. The real ascent begins at 09:00 with a jump to 6, signaling that outdoor activities should be approached with caution. The peak arrives at 12:00 with a staggering 14—the highest point of the day—making sun protection essential for anyone outside. As the afternoon progresses, the intensity starts to wane, dropping to 12 by 13:00 and then further to 9 at 14:00. By 15:00, the index dips to 6, and as evening approaches, it continues to decrease to 3 at 16:00. The day concludes with a return to low levels, hitting 1 at 17:00 and finally 0 by 18:00 and 19:00. Remember, when it comes to UV exposure, timing is everything!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 10 | very high | 15 min |
| 11:00 | 13 | extreme | 10 min |
| 12:00 | 14 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index exhibits high levels throughout the year, peaking in the early months with values reaching 17 in January, February, and March, characterized as having an extreme exposure category and a minimal burn time of only 10 minutes. Notably, the high-risk months for UV exposure are January to April, where the index consistently stays between 15 and 17. As summer approaches, the UV Index gradually decreases but remains significant, ranging from 12 to 14 from June to November, still classified as extreme. This pattern highlights an ongoing risk for skin damage year-round, advising visitors and residents to employ strict sun protection measures, including wearing sunscreen, protective clothing, and seeking shade, particularly during midday hours to minimize 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 |
| Tomu | 15 | 17 | 17 | 16 | 14 | 12 | 12 | 13 | 15 | 15 | 14 | 14 |