UV index and sunburn time in Cuba
Peak UV index and how quickly unprotected skin burns, for 1 city in Cuba.
| City | Peak UV | Category | Month | Burns after |
|---|---|---|---|---|
| Havana | 13.7 | Extreme | July | 17 min |
The same UV also drives vitamin D synthesis — and stops entirely for part of the year at higher latitudes. Vitamin D winters in Cuba →
Burn times are for skin type III with no sunscreen. How these are calculated