Vitamin D

The sun, month by month

Sunrise and sunset in Barcelona in May

On May 1 in Barcelona the sun rises at 06:49 and sets at 20:47; on day 31 it rises at 06:21 and sets at 21:17. Over the month the day grows 58 minutes longer.

In Barcelona (41.4° latitude), May 2026 has 31 days whose sun rises at 06:49 and sets at 20:47 on the 1st, and at 06:21 and 21:17 on the 31th. Mid-month the day lasts 14 h 29 min and the sun reaches 67° above the horizon. Vitamin D synthesis is possible between 11:00 and 18:00, which is when the UV index reaches at least 3: at the best moment of the day about 7 minutes are enough for a mid-range skin phototype with a quarter of the body exposed to make around 1000 IU.

Sunrise06:33
Sunset21:02
Golden hour20:23–21:02
Day length14 h 29 min

Where does the sun rise and set in Barcelona in May?

Where it risesNortheast64°
Where it setsNorthwest296°

Mid-May in Barcelona: the sun rises in the northeast — a bearing of 64°, measured from true north — and sets in the northwest, at 296°. That is 26° north of due east at sunrise, and the same 26° north of due west at sunset. From the 1st to the last day of the month both points shift 10° north.

Approximate bearings: they can be a couple of degrees out. They are measured from true north, not the north a phone compass points to.

Day by day

All times are local to Barcelona. Dawn and dusk mark civil twilight.

DayDawnSunriseSunsetDuskDay length
106:1906:4920:4721:1713 h 58 min
206:1806:4820:4821:1914 h 00 min
306:1706:4720:5021:2014 h 03 min
406:1506:4520:5121:2114 h 05 min
506:1406:4420:5221:2214 h 08 min
606:1206:4320:5321:2314 h 10 min
706:1106:4220:5421:2514 h 12 min
806:1006:4120:5521:2614 h 14 min
906:0906:3920:5621:2714 h 17 min
1006:0706:3820:5721:2814 h 19 min
1106:0606:3720:5821:2914 h 21 min
1206:0506:3620:5921:3014 h 23 min
1306:0406:3521:0021:3114 h 25 min
1406:0306:3421:0121:3314 h 27 min
1506:0106:3321:0221:3414 h 29 min
1606:0006:3221:0321:3514 h 31 min
1705:5906:3121:0421:3614 h 33 min
1805:5806:3021:0521:3714 h 35 min
1905:5706:2921:0621:3814 h 37 min
2005:5606:2821:0721:3914 h 39 min
2105:5506:2721:0821:4014 h 41 min
2205:5406:2721:0921:4114 h 43 min
2305:5306:2621:1021:4214 h 44 min
2405:5306:2521:1121:4314 h 46 min
2505:5206:2421:1221:4414 h 48 min
2605:5106:2421:1321:4514 h 49 min
2705:5006:2321:1421:4614 h 51 min
2805:5006:2221:1421:4714 h 52 min
2905:4906:2221:1521:4814 h 54 min
3005:4806:2121:1621:4914 h 55 min
3105:4806:2121:1721:5014 h 56 min

Approximate astronomical values: they can shift a minute or two from year to year.

What about vitamin D in May?

In May, the typical synthesis window in Barcelona runs from 11:00 to 18:00: with medium skin and a t-shirt, ~7 min at the best moment is enough.

See the Barcelona vitamin D guide

Common questions about the sun in Barcelona in May

Where does the sun set in Barcelona in May?
Mid-May in Barcelona: the sun sets in the northwest, a bearing of 296° measured from true north, which is 26° north of due west. It rises in the northeast, at 64°. Over the month both points shift 10° north.
How much daylight does Barcelona gain in May?
Over May the day gets 58 minutes longer in Barcelona: on May 1 the sun rises at 06:49 and sets at 20:47, and on day 31 it rises at 06:21 and sets at 21:17.
How many hours of daylight does Barcelona get in May?
In mid-May the day lasts 14 h 29 min in Barcelona, from sunrise at 06:33 to sunset at 21:02. The table has the day length for each of the 31 days of the month.
What time does it start to get light in Barcelona in May?
In mid-May the sky starts to get light at 06:01 in Barcelona, when the sun is 6° below the horizon, and the sun itself does not rise until 06:33. The “Dawn” column of the table gives that time for every day of the month.
What time does it get dark in Barcelona in May?
It's not the same time as sunset. In mid-May in Barcelona the sun sets at 21:02, but there is still light: civil twilight does not end until 21:34, when the sun reaches 6° below the horizon and usable outdoor light runs out. The “Dusk” column of the table gives that time day by day.
What time of day can you make vitamin D in Barcelona in May?
In mid-May, between 11:00 and 18:00: that is the stretch of the day when the UV index reaches 3 in Barcelona, the minimum for the skin to make vitamin D. At the best moment of the day about 7 minutes are enough for a mid-range skin phototype with a quarter of the body exposed to make around 1000 IU.