Last updated: June 2, 2025
Understanding the UV Index in Pontianak, Indonesia, is crucial for residents and visitors alike, given the region's tropical climate and significant sun exposure. With UV levels frequently peaking at a dangerous 12 during midday hours, awareness can play a pivotal role in preventing sunburns and protecting skin health. By staying informed about daily UV levels, you can take proactive steps against the harmful effects of UV radiation, ensuring a safer and more enjoyable time outdoors. Don't underestimate the sun’s rays—knowing the UV Index can be your best ally in maintaining skin health while enjoying everything Pontianak has to offer!
At 07:00, the UV Index begins at a low 1, but as the sun rises higher, it quickly climbs to 3 by 08:00. By 09:00, the intensity spikes to 7, and by 10:00, it reaches a peak of 10. The sun is at its strongest between 11:00 and 12:00, where it holds steady at a striking 12—a clear invitation to seek shade or slather on sunscreen. The UV Index then begins to taper off, dropping to 10 at 13:00, followed by a gentle decline, reaching 4 by 15:00, and further down to 2 by 16:00. As the day winds down, the UV Index falls to 1 at 17:00 and finally to 0 by 18:00 and 19:00, signaling the sun's retreat and a welcome relief from its intensity.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 10 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 10 | 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 shows a consistently extreme exposure category throughout the year, with the highest values occurring in March (16) and February (15). Visitors and residents should be especially cautious during the high-risk months of January to May, when the index remains above 14, indicating a burn time of just 10 minutes. Even during the summer months of June and July, the UV Index remains notably high at 12, necessitating sun protection. As the year progresses into late summer and early fall, the UV Index continues to hover around 14, suggesting that individuals must maintain vigilant sun safety practices year-round. Regardless of the month, it is advisable to wear protective clothing, sunscreen, and sunglasses while limiting direct sun exposure to reduce the risk of UV-related harm.
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 |
| Pontianak | 14 | 15 | 16 | 15 | 14 | 12 | 12 | 14 | 14 | 14 | 13 | 13 |