Tromsø
Vitamin D from the sun in Tromsø
2 months of sun
In Tromsø you can synthesize vitamin D from June to July.
From August to May synthesis isn't possible — this is when a supplement can help.
Tromsø: we'll tell you the days you can make vitamin D.
Loading notifications…Today's sun in Tromsø
Today's sunrise, sunset, golden hour and day length.
Year-round profile in Tromsø
Daily hours with enough sun to synthesize vitamin D across the year.
Seasonal windows
- March: synthesis isn't possible.
- June: between 11:00 and 14:00, about 17 min for 1000 IU.
- September: synthesis isn't possible.
- December: synthesis isn't possible.
Estimated for Fitzpatrick type III skin, arms and face exposed, clear sky.
When to supplement in Tromsø
During the months without solar synthesis, vitamin D comes only from food or a supplement. It is usually taken as D3, often with magnesium — which the body needs to activate it — and vitamin K (as K2), which contributes to the maintenance of normal bones.
More about supplementsSunrise and sunset by month in Tromsø
How sunrise, sunset and day length change over the year.
| Month | Sunrise | Sunset | Day length |
|---|---|---|---|
| — | — | 0 h 00 min | |
| 08:24 | 15:33 | 7 h 09 min | |
| 06:15 | 17:33 | 11 h 18 min | |
| 04:47 | 20:42 | 15 h 54 min | |
| 01:45 | 23:36 | 21 h 52 min | |
| — | — | 24 h 00 min | |
| — | — | 24 h 00 min | |
| 03:49 | 21:47 | 17 h 58 min | |
| 06:05 | 19:12 | 13 h 07 min | |
| 08:07 | 16:52 | 8 h 45 min | |
| 09:42 | 13:17 | 3 h 36 min | |
| — | — | 0 h 00 min |
Approximate values for mid-month (the 15th).
Frequently asked questions about vitamin D in Tromsø
- Can I get vitamin D from the sun in winter in Tromsø?
- In Tromsø you can synthesize vitamin D from June to July.
- How many minutes of sun do I need in Tromsø?
- In summer, about 17 minutes with arms and face exposed is enough for 1000 IU (Fitzpatrick type III skin, clear sky).
- What is the longest day of the year in Tromsø?
- Longest day: June, with about 24 h of daylight. Shortest day: January, with about 0 h.