UV index and sunburn time in Sudan
Peak UV index and how quickly unprotected skin burns, for 3 cities in Sudan.
| City | Peak UV | Category | Month | Burns after |
|---|---|---|---|---|
| Khartoum | 15.6 | Extreme | August | 15 min |
| Nyala | 16.6 | Extreme | August | 14 min |
| Port Sudan | 14.7 | Extreme | August | 16 min |
The same UV also drives vitamin D synthesis — and stops entirely for part of the year at higher latitudes. Vitamin D winters in Sudan →
Burn times are for skin type III with no sunscreen. How these are calculated