UV index and sunburn time in Sao Tome and Principe
Peak UV index and how quickly unprotected skin burns, for 1 city in Sao Tome and Principe.
| City | Peak UV | Category | Month | Burns after |
|---|---|---|---|---|
| São Tomé | 17.0 | Extreme | September | 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 Sao Tome and Principe →
Burn times are for skin type III with no sunscreen. How these are calculated