UV index and sunburn time in The Netherlands
Peak UV index and how quickly unprotected skin burns, for 25 cities in The Netherlands.
| City | Peak UV | Category | Month | Burns after |
|---|---|---|---|---|
| Rotterdam | 6.4 | High | June | 37 min |
| Amsterdam | 6.3 | High | June | 37 min |
| The Hague | 6.3 | High | June | 37 min |
| Utrecht | 6.3 | High | June | 37 min |
| Groningen | 6.1 | High | June | 38 min |
| Eindhoven | 6.5 | High | July | 36 min |
| Tilburg | 6.4 | High | July | 36 min |
| Breda | 6.4 | High | June | 36 min |
| Nijmegen | 6.4 | High | July | 36 min |
| Almere Stad | 6.3 | High | June | 37 min |
| Haarlem | 6.3 | High | June | 37 min |
| Arnhem | 6.4 | High | July | 37 min |
| 's-Hertogenbosch | 6.4 | High | July | 36 min |
| Enschede | 6.3 | High | July | 37 min |
| Zaanstad | 6.3 | High | June | 37 min |
| Amersfoort | 6.3 | High | June | 37 min |
| Apeldoorn | 6.3 | High | June | 37 min |
| Hoofddorp | 6.3 | High | June | 37 min |
| Zwolle | 6.2 | High | June | 37 min |
| Leeuwarden | 6.1 | High | June | 38 min |
| Maastricht | 6.6 | High | July | 35 min |
| Leiden | 6.3 | High | June | 37 min |
| Dordrecht | 6.4 | High | June | 37 min |
| Zoetermeer | 6.3 | High | June | 37 min |
| Venlo | 6.5 | High | July | 36 min |
The same UV also drives vitamin D synthesis — and stops entirely for part of the year at higher latitudes. Vitamin D winters in The Netherlands →
Burn times are for skin type III with no sunscreen. How these are calculated