Last updated: July 2, 2025
In Karangrena, Indonesia, understanding the UV Index is crucial for safeguarding your skin health and preventing painful sunburns. With a tropical Af climate, the sun can be especially intense, as evidenced by the UV Index peaking at an alarming 11 during midday hours. Being aware of these UV levels helps residents and visitors alike make informed decisions about sun protection, ensuring enjoyable outdoor experiences without the harmful effects of overexposure. Stay informed and protect yourself from the sun’s rays as you bask in the beauty of this vibrant locale!
The UV Index (UVI) throughout the day reveals a dynamic pattern of sun exposure. Beginning at 07:00, the index starts modestly at 1, but by 08:00, it gains momentum, reaching 3. The real intensity kicks in around 09:00, with a notable 6, peaking at 11:00 and 12:00 with a maximum UV index of 11, signaling the most hazardous hours for sun exposure. As the afternoon progresses to 13:00, the index begins to decline, dropping back to 9 at this hour. By 14:00, it eases further to 7 and continues its descent, settling at 4 by 15:00. As the day winds down, the readings fall to 2 by 16:00, tapering to a gentle 1 at 17:00, and finally retreating to 0 by 18:00 and 19:00. This journey through the UV Index highlights the importance of sun protection, particularly during those peak hours when it reaches its zenith.
| 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 | 11 | extreme | 10 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 4 | 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 |
The UV Index data reveals significant seasonal variations in ultraviolet exposure, with the highest risk months being from January to March, where the index reaches up to 15 and the exposure category is labeled as extreme. This trend continues through April and May, tapering to 12 in May, and returning to high values again in July and August. Throughout these high-risk months, the burn time remains critically low at just 10 minutes for most months, necessitating strong sun protection measures. Visitors and residents are urged to exercise caution during this peak UV season. It is essential to apply sunscreen, wear protective clothing, and limit direct sun exposure, especially during peak hours, to mitigate the risk of 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 |
| 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 |
| Karangrena | 14 | 15 | 15 | 14 | 12 | 10 | 11 | 12 | 14 | 15 | 15 | 14 |
| Bandung UVI | 15 | 16 | 16 | 15 | 12 | 11 | 11 | 12 | 14 | 15 | 15 | 14 |