UV index and sunburn time in Guatemala
Peak UV index and how quickly unprotected skin burns, for 3 cities in Guatemala.
| City | Peak UV | Category | Month | Burns after |
|---|---|---|---|---|
| Guatemala City | 16.7 | Extreme | August | 14 min |
| Villa Nueva | 16.6 | Extreme | August | 14 min |
| Mixco | 16.9 | Extreme | August | 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 Guatemala →
Burn times are for skin type III with no sunscreen. How these are calculated