Last updated: May 3, 2025
Understanding the UV Index is essential for residents of Banjarmasin, Indonesia, as it plays a crucial role in sun safety and skin health. With a tropical climate characterized by high humidity and substantial sunshine throughout the year, the risk of harmful UV exposure increases significantly, especially during midday hours when the index peaks. From preventing painful sunburns to reducing the long-term risks of skin cancer, being aware of UV levels can help you protect yourself and your loved ones. During the sunniest hours, like at 12:00 PM when the UV Index reaches a staggering 14, taking steps to shield your skin becomes paramount. Stay informed and enjoy the beautiful outdoors safely!
The UV Index throughout the day follows a striking pattern, peaking sharply during the midday hours. Starting early, at 07:00, it begins at a modest 1, slowly climbing to 2 by 08:00. As the sun rises higher, the index reaches a significant 9 by 10:00 and escalates to a glaring 14 at 12:00, marking the height of solar intensity. Interestingly, this midday zenith of 12:00 draws a slight decline by 14:00, settling at 10. From there, a gentle descent occurs, with values dropping to 6 by 15:00 and further down to 3 at 16:00. The evening hours see a return to low levels, closing out the day with 1 at 17:00 and fading to 0 by 19:00. This data highlights the critical need for sun protection during the peak hours when UV radiation is the strongest.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 14 | extreme | 10 min |
| 13:00 | 13 | 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 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, the UV Index remains consistently high, peaking at 16 in March and slowly decreasing to 14 in May and 14 in November and December. January, February, March, and April are particularly notable for having extreme UV levels, with all months reporting a UV Index of 14 or higher, indicating a high-risk period for sun exposure. Residents and visitors should remain vigilant, especially during these months, and take necessary precautions such as using sunscreen, wearing protective clothing, and limiting sun exposure to avoid skin damage. Even in the summer months of June, July, and August, the UV Index remains dangerously high (between 11 and 13), emphasizing the importance of sun safety year-round. Remember, the burn time is consistently 10 minutes across all months, underscoring the need for swift action to protect skin from harmful UV radiation.
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 |
| Banjarmasin | 14 | 15 | 16 | 15 | 14 | 11 | 12 | 13 | 14 | 15 | 14 | 14 |