UV index and sunburn time in Botswana
Peak UV index and how quickly unprotected skin burns, for 2 cities in Botswana.
| City | Peak UV | Category | Month | Burns after |
|---|---|---|---|---|
| Gaborone | 15.2 | Extreme | January | 15 min |
| Francistown | 15.8 | Extreme | January | 15 min |
The same UV also drives vitamin D synthesis — and stops entirely for part of the year at higher latitudes. Vitamin D winters in Botswana →
Burn times are for skin type III with no sunscreen. How these are calculated