Last updated: June 2, 2025
In Ahadan, Indonesia, awareness of the UV Index is essential for maintaining skin health and preventing sunburns. Understanding local UV levels helps residents and visitors to take necessary precautions against the harmful effects of overexposure to the sun. With a predominantly Aw climate, Ahadan experiences significant UV exposure, particularly between 10:00 AM and 1:00 PM, when the index peaks at 11. Being informed about these risks enables individuals to enjoy the beautiful tropical sun safely while protecting their skin from damage.
As the sun rises and begins to assert its strength, the UV Index increases rapidly throughout the morning. At 7:00 AM, it starts at a modest 2, but by 9:00 AM, it leaps to a notable 7. The peak intensity hits high noon, with 11 at both 11:00 AM and 12:00 PM, indicating a critical time for sun safety. After that, the index begins to drop, falling to 6 by 2:00 PM and further declining toward the evening, finally reaching 0 by 7:00 PM. This data starkly illustrates the importance of sun protection during the midday hours when UV exposure is at its most dangerous.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 10 | 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 | 6 | high | 25 min |
| 15:00 | 3 | moderate | 30 min |
| 16:00 | 1 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, the UV Index remains consistently high, with values peaking in February at 16 and remaining above 13 from February to September. This indicates extreme exposure, with a minimum burn time of just 10 minutes across all months. The most critical months for UV exposure are February, March, and September, which see some of the highest UV levels. It is essential for both visitors and residents to exercise caution during these months, seeking shade whenever possible, wearing protective clothing, and applying sunscreen frequently. Stay vigilant and prioritize skin safety to mitigate the risks associated with prolonged sun 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 |
| Ahadan | 14 | 16 | 15 | 14 | 13 | 11 | 12 | 13 | 15 | 15 | 15 | 14 |