Vitamin D from sunlight in Sweden
How long you need in the sun to make vitamin D, and when the sun is too low to make any at all, for 15 cities in Sweden.
| City | Latitude | Elevation | Vitamin D winter |
|---|---|---|---|
| Stockholm | 59.33°N | 17 m | 29 Aug – 26 Apr (241 days) |
| Gothenburg | 57.71°N | 10 m | 3 Sep – 20 Apr (230 days) |
| Malmö | 55.61°N | 10 m | 10 Sep – 13 Apr (216 days) |
| Uppsala | 59.86°N | 20 m | 27 Aug – 28 Apr (245 days) |
| Linköping | 58.41°N | 58 m | 1 Sep – 23 Apr (235 days) |
| Örebro | 59.27°N | 35 m | 29 Aug – 26 Apr (241 days) |
| Sollentuna | 59.43°N | 25 m | 28 Aug – 26 Apr (242 days) |
| Umeå | 63.83°N | 24 m | 11 Aug – 14 May (277 days) |
| Västerås | 59.62°N | 16 m | 28 Aug – 27 Apr (243 days) |
| Jönköping | 57.78°N | 100 m | 3 Sep – 20 Apr (230 days) |
| Helsingborg | 56.05°N | 13 m | 9 Sep – 14 Apr (218 days) |
| Norrköping | 58.59°N | 12 m | 31 Aug – 23 Apr (236 days) |
| Huddinge | 59.24°N | 33 m | 29 Aug – 26 Apr (241 days) |
| Lund | 55.71°N | 51 m | 10 Sep – 13 Apr (216 days) |
| Luleå | 65.58°N | 17 m | 3 Aug – 21 May (292 days) |
The same sun that makes vitamin D also burns. UV index and sunburn times in Sweden →