Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Singkawang, Indonesia, where the climate falls within the tropical Af zone. Prolonged exposure to sunlight, especially during peak hours, can lead to sunburn and long-term skin damage. With UV levels reaching a maximum of 12 around midday, awareness of these fluctuations is essential for protecting your skin health. By staying informed about the UV Index, you can take proactive steps to shield yourself from harmful rays and enjoy all that Singkawang has to offer while prioritizing your well-being.
The UV Index throughout the day reveals a striking fluctuation in sun intensity. Starting at a modest 1 by 07:00, the index quickly rises as the sun ascends, hitting 4 by 08:00. As the clock strikes 09:00, we reach a 7, but it’s between 10:00 and 12:00 that we experience the peak, with the index soaring to an impressive 12. Gradually, the intensity begins to wane; by 13:00, it drops to 10, and further declines to 4 by 15:00. The sun's power diminishes steadily, settling back to 1 by 17:00 and finally reaching 0 after 18:00, inviting a gentle close to the day. With this data, it's clear that the midday hours are the best time to be cautious when exposed to the sun!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 4 | 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 exhibits significant seasonal variation, remaining consistently high throughout the year, with extreme exposure levels reported from January to April and during September to November. The highest values occur in March at 16, followed closely by February at 15. Visitors and residents should be particularly cautious during the months of February, March, April, September, and October, where continuous exposure can lead to severe sunburns in just 10 minutes. It is highly advisable to implement protective measures such as wearing sunscreen, hats, and protective clothing during these months to mitigate the risks associated with extreme UV 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 |
Singkawang | 14 | 15 | 16 | 15 | 14 | 12 | 12 | 14 | 15 | 14 | 14 | 13 |