UV index and sunburn time in Saint Helena
Peak UV index and how quickly unprotected skin burns, for 1 city in Saint Helena.
| City | Peak UV | Category | Month | Burns after |
|---|---|---|---|---|
| Georgetown | 16.4 | Extreme | October | 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 Saint Helena →
Burn times are for skin type III with no sunscreen. How these are calculated