Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of Mriyunan, Indonesia, where the tropical climate often leads to high UV exposure levels. As the sun radiates its powerful rays, awareness of UV levels can significantly aid in preventing sunburn and safeguarding skin health, particularly during peak hours from 10:00 AM to 12:00 PM, when the UV Index reaches its highest at 10. With Mriyunan experiencing a warm, humid environment typical of the Am climate zone, the risk of overexposure to harmful UV rays is ever-present. By staying informed about daily UV conditions, you can enjoy the outdoors while prioritizing your skin's safety!
The UV Index for the day shows a steady climb as the sun rises, hitting its peak between 11:00 AM and 12:00 PM with a maximum value of 10. During this peak period, caution is advised as UV radiation can be extremely harmful. As the afternoon progresses, the index begins a gradual decline, dropping to 8 by 1:00 PM and tapering off to 3 at 3:00 PM. As the sun sets, the UV Index decreases further, reaching 0 by 6:00 PM and remaining there for the evening, signaling a safe time to enjoy outdoor activities without the risk of overexposure. Remember to wear sunscreen and protective clothing during the 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 | 8 | 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 data shows significant seasonal variation, with consistently extreme levels throughout much of the year. From January to May, the UV Index peaks at 16 in February and remains above 13, indicating a critical need for protective measures against skin damage, with a burn time of just 10 minutes. As summer approaches, June sees a drop to 10, categorized as very high, with a slightly extended burn time of 15 minutes. However, the UV levels surge again in July and August, remaining in the extreme range. September through November continues to feature high risks, with burn times back down to 10 minutes. December ends the year at an UV Index of 13. Visitors and residents should take proactive measures during these high-risk months, particularly from January to May and during the peak summer months, by applying sunscreen, wearing protective clothing, and seeking shade to minimize exposure and reduce the risk of sunburn.
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 |
| Mriyunan | 14 | 16 | 15 | 14 | 13 | 10 | 11 | 12 | 14 | 14 | 14 | 13 |
| Bandung UVI | 15 | 16 | 16 | 15 | 12 | 11 | 11 | 12 | 14 | 15 | 15 | 14 |