Last updated: July 2, 2025
In Kudus, Indonesia, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels is essential not only for preventing sunburn but also for reducing long-term risks associated with skin damage and other related conditions. With Kudus' tropical climate, residents and visitors alike often experience high UV exposure, particularly during midday hours when the UV Index can hit a maximum of 10. Staying informed about these levels can help you make smarter decisions about sun protection, ensuring fun and safe outdoor activities under the Indonesian sun.
The UV Index paints a vivid picture of a sun-drenched day, starting with a mild 1 at 07:00 and rapidly escalating to its peak. As the sun climbs higher, 08:00 sees it at 3, but by 09:00, it spikes to a brisk 6. The heat really intensifies around 10:00, where it hits 9, and reaches its zenith with a 10 at both 11:00 and 12:00. After this peak, a gradual decline begins; by 13:00, it's at 9, then falls to 6 by 14:00. The afternoon cools off with values of 3 at 15:00 and then plummets back to 1 at 16:00 and 17:00. As the sun sets, the UV Index drops to 0 by 18:00, marking the end of a fascinating solar journey for the day. Be sure to enjoy the sunshine, but don’t forget your sunscreen during those peak hours!
| 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 | 9 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 10 | very high | 15 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 |
Throughout the year, UV index levels show significant variation, with high-risk months primarily occurring during the winter and early spring. Specifically, from January to April, the UV Index consistently remains in the extreme category, peaking at 16 in February. May begins to lower the UV Index slightly to 11, but it still falls within the extreme range. June and July bring a slight respite with a very high rating of 10, before rising again in August to 12, indicating extreme exposure once more. As fall approaches, September to November retains an extreme UV Index, notably 14 in October and November, while December sees a drop to 13. Residents and visitors are strongly advised to take precautions during these high UV months, particularly from January through April and August through November, by wearing protective clothing, applying ample sunscreen, and seeking shade whenever possible to minimize the risk of sunburn and long-term skin damage.
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 |
| Kudus | 14 | 16 | 15 | 13 | 11 | 10 | 10 | 12 | 13 | 14 | 14 | 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 |