Vitamin D from sunlight in Iceland
How long you need in the sun to make vitamin D, and when the sun is too low to make any at all, for 1 city in Iceland.
| City | Latitude | Elevation | Vitamin D winter |
|---|---|---|---|
| Reykjavík | 64.14°N | 37 m | 20 Aug – 5 May (259 days) |
The same sun that makes vitamin D also burns. UV index and sunburn times in Iceland →