UV index and sunburn time in Gabon
Peak UV index and how quickly unprotected skin burns, for 3 cities in Gabon.
| City | Peak UV | Category | Month | Burns after |
|---|---|---|---|---|
| Libreville | 16.8 | Extreme | March | 14 min |
| Port-Gentil | 16.9 | Extreme | March | 14 min |
| Franceville | 17.2 | 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 Gabon →
Burn times are for skin type III with no sunscreen. How these are calculated