UV index and sunburn time in Indonesia
Peak UV index and how quickly unprotected skin burns, for 8 cities in Indonesia.
| City | Peak UV | Category | Month | Burns after |
|---|---|---|---|---|
| Jakarta | 16.5 | Extreme | October | 14 min |
| Surabaya | 16.4 | Extreme | March | 14 min |
| Bekasi | 16.5 | Extreme | October | 14 min |
| Bandung | 17.1 | Extreme | October | 14 min |
| Medan | 16.8 | Extreme | September | 14 min |
| Depok | 16.6 | Extreme | October | 14 min |
| Tangerang | 16.5 | Extreme | October | 14 min |
| Palembang | 16.7 | Extreme | March | 14 min |
The same UV also drives vitamin D synthesis — and stops entirely for part of the year at higher latitudes. Vitamin D winters in Indonesia →
Burn times are for skin type III with no sunscreen. How these are calculated