Vitamin D

The sun, month by month

Sunrise and sunset in Madrid in December

On December 1 in Madrid the sun rises at 08:21 and sets at 17:49; on day 31 it rises at 08:38 and sets at 17:58. Over the month the day gets 8 minutes shorter.

In Madrid (40.4° latitude), December 2026 has 31 days whose sun rises at 08:21 and sets at 17:49 on the 1st, and at 08:38 and 17:58 on the 31th. Mid-month the day lasts 9 h 18 min and the sun reaches 26° above the horizon. Even so, the UV index never reaches 3 at any point in the month: at this latitude and time of year, the ozone layer absorbs UVB before enough of it reaches the ground. So in December there is no vitamin D synthesis in Madrid at any hour of the day, however long you stay out.

Sunrise08:32
Sunset17:50
Golden hour17:06–17:50
Day length9 h 18 min

Where does the sun rise and set in Madrid in December?

Where it risesSoutheast121°
Where it setsSouthwest239°

Mid-December in Madrid: the sun rises in the southeast — a bearing of 121°, measured from true north — and sets in the southwest, at 239°. That is 31° south of due east at sunrise, and the same 31° south of due west at sunset. From the 1st to the last day of the month both points barely move.

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 Madrid. Dawn and dusk mark civil twilight.

DayDawnSunriseSunsetDuskDay length
107:5008:2117:4918:199 h 28 min
207:5108:2217:4918:199 h 27 min
307:5208:2217:4818:199 h 26 min
407:5308:2317:4818:199 h 25 min
507:5408:2417:4818:199 h 24 min
607:5508:2517:4818:199 h 23 min
707:5508:2617:4818:199 h 22 min
807:5608:2717:4818:199 h 22 min
907:5708:2717:4818:199 h 21 min
1007:5808:2817:4918:199 h 20 min
1107:5808:2917:4918:199 h 20 min
1207:5908:3017:4918:209 h 19 min
1308:0008:3017:4918:209 h 19 min
1408:0008:3117:4918:209 h 18 min
1508:0108:3217:5018:209 h 18 min
1608:0208:3217:5018:219 h 18 min
1708:0208:3317:5018:219 h 17 min
1808:0308:3317:5118:219 h 17 min
1908:0308:3417:5118:229 h 17 min
2008:0408:3517:5118:229 h 17 min
2108:0408:3517:5218:239 h 17 min
2208:0508:3517:5218:239 h 17 min
2308:0508:3617:5318:249 h 17 min
2408:0508:3617:5318:249 h 17 min
2508:0608:3717:5418:259 h 17 min
2608:0608:3717:5518:259 h 18 min
2708:0608:3717:5518:269 h 18 min
2808:0708:3717:5618:279 h 18 min
2908:0708:3817:5718:279 h 19 min
3008:0708:3817:5718:289 h 19 min
3108:0708:3817:5818:299 h 20 min

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

What about vitamin D in December?

In December the sun doesn't climb high enough in Madrid for vitamin D synthesis: the season to mind your diet or consider supplementation.

See the Madrid vitamin D guide

Common questions about the sun in Madrid in December

Where does the sun set in Madrid in December?
Mid-December in Madrid: the sun sets in the southwest, a bearing of 239° measured from true north, which is 31° south of due west. It rises in the southeast, at 121°. Over the month both points barely move.
How much daylight does Madrid lose in December?
Over December the day gets 8 minutes shorter in Madrid: on December 1 the sun rises at 08:21 and sets at 17:49, and on day 31 it rises at 08:38 and sets at 17:58.
How many hours of daylight does Madrid get in December?
In mid-December the day lasts 9 h 18 min in Madrid, from sunrise at 08:32 to sunset at 17:50. The table has the day length for each of the 31 days of the month.
What time does it start to get light in Madrid in December?
In mid-December the sky starts to get light at 08:01 in Madrid, when the sun is 6° below the horizon, and the sun itself does not rise until 08:32. The “Dawn” column of the table gives that time for every day of the month.
What time does it get dark in Madrid in December?
It's not the same time as sunset. In mid-December in Madrid the sun sets at 17:50, but there is still light: civil twilight does not end until 18:20, 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 Madrid in December?
At no time of day. Not even at midday on December 15 does the UV index reach 3 in Madrid, and below that minimum the skin makes no vitamin D, however long you stay out. In December it is the season to mind your diet or consider supplementation.