Last updated: May 3, 2025
In Tais, Indonesia, understanding the UV Index is crucial for safeguarding your skin and overall health. Located in the Af climate zone, Tais experiences intense sunlight, particularly during midday hours when the UV Index can peak at a staggering 14. This level of exposure significantly increases the risk of sunburn and skin damage, making it essential for residents and visitors alike to stay informed about daily UV levels. By being aware of the UV Index, you can take proactive measures to protect yourself, enjoy the beautiful sunshine safely, and maintain healthy skin all year round.
The UV Index varies significantly throughout the day, presenting a clear pattern of intensity as the sun climbs higher in the sky. Early morning hours start off gently, with a maximum of 1 at 07:00, increasing to 3 by 08:00. As the clock strikes 09:00, the Index surges to 6, signaling a rising need for sun protection. The peak occurs around 12:00, hitting an impressive 14, indicating it's crucial to stay shaded or slathered in sunscreen. Following this maximum, the intensity gradually tapers off, dropping to 10 at 14:00, then back to 6 by 15:00. The day winds down with a gentle decline as the sun sets, resulting in 3 by 16:00, and finally settling at 1 by 17:00 and returning to 0 after 18:00. This data highlights the importance of being sun-smart during the middle of the day.
| 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 | 12 | extreme | 10 min |
| 12:00 | 14 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index exhibits high levels of UV radiation throughout the year, consistently measuring between 12 and 16, categorizing the risk as extreme across all months. The high-risk months—January through April—feature peak values at 16, indicating burn times as short as 10 minutes for unprotected skin. Although the UV Index slightly decreases in June and July to 12, it remains in the extreme category, and begins to rise again in late summer with values of 14 in August and September. Residents and visitors alike should take precautions year-round, including wearing protective clothing, applying sunscreen liberally, and seeking shade, especially during peak hours, as the potential for skin damage is significant regardless of the season.
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 |
| Tais | 15 | 16 | 16 | 15 | 14 | 12 | 12 | 14 | 14 | 15 | 15 | 15 |