Vitamin D from sunlight in Norway
How long you need in the sun to make vitamin D, and when the sun is too low to make any at all, for 9 cities in Norway.
| City | Latitude | Elevation | Vitamin D winter |
|---|---|---|---|
| Oslo | 59.91°N | 26 m | 26 Aug – 29 Apr (247 days) |
| Bergen | 60.39°N | 20 m | 25 Aug – 30 Apr (249 days) |
| Trondheim | 63.43°N | 18 m | 12 Aug – 13 May (275 days) |
| Stavanger | 58.97°N | 15 m | 30 Aug – 25 Apr (239 days) |
| Kristiansand | 58.15°N | 12 m | 2 Sep – 22 Apr (233 days) |
| Drammen | 59.74°N | 11 m | 27 Aug – 28 Apr (245 days) |
| Lillestrøm | 59.96°N | 116 m | 26 Aug – 28 Apr (246 days) |
| Sandnes | 58.85°N | 8 m | 30 Aug – 24 Apr (238 days) |
| Fredrikstad | 59.22°N | 6 m | 29 Aug – 26 Apr (241 days) |
The same sun that makes vitamin D also burns. UV index and sunburn times in Norway →