UV index and sunburn time in Finland
Peak UV index and how quickly unprotected skin burns, for 12 cities in Finland.
| City | Peak UV | Category | Month | Burns after |
|---|---|---|---|---|
| Helsinki | 4.8 | Moderate | June | 48 min |
| Espoo | 4.8 | Moderate | June | 48 min |
| Tampere | 4.6 | Moderate | June | 50 min |
| Vantaa | 4.8 | Moderate | June | 48 min |
| Oulu | 4.0 | Moderate | June | 58 min |
| Turku | 4.8 | Moderate | June | 49 min |
| Jyväskylä | 4.5 | Moderate | June | 52 min |
| Kuopio | 4.4 | Moderate | June | 53 min |
| Lahti | 4.7 | Moderate | June | 49 min |
| Pori | 4.6 | Moderate | June | 51 min |
| Joensuu | 4.4 | Moderate | June | 53 min |
| Kouvola | 4.7 | Moderate | June | 49 min |
The same UV also drives vitamin D synthesis — and stops entirely for part of the year at higher latitudes. Vitamin D winters in Finland →
Burn times are for skin type III with no sunscreen. How these are calculated