The sun, month by month
Sunrise and sunset in Miami in December
On December 1 in Miami the sun rises at 06:52 and sets at 17:29; on day 31 it rises at 07:07 and sets at 17:41. Over the month the day gets 4 minutes shorter.
In Miami (25.8° latitude), December 2026 has 31 days whose sun rises at 06:52 and sets at 17:29 on the 1st, and at 07:07 and 17:41 on the 31th. Mid-month the day lasts 10 h 32 min and the sun reaches 41° above the horizon. Vitamin D synthesis is possible between 11:00 and 15:00, which is when the UV index reaches at least 3: at the best moment of the day about 11 minutes are enough for a mid-range skin phototype with a quarter of the body exposed to make around 1000 IU.
Where does the sun rise and set in Miami in December?
Mid-December in Miami: the sun rises in the southeast — a bearing of 116°, measured from true north — and sets in the southwest, at 244°. That is 26° south of due east at sunrise, and the same 26° 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 Miami. Dawn and dusk mark civil twilight.
| Day | Dawn | Sunrise | Sunset | Dusk | Day length |
|---|---|---|---|---|---|
| 1 | 06:27 | 06:52 | 17:29 | 17:54 | 10 h 38 min |
| 2 | 06:27 | 06:52 | 17:30 | 17:55 | 10 h 37 min |
| 3 | 06:28 | 06:53 | 17:30 | 17:55 | 10 h 37 min |
| 4 | 06:29 | 06:54 | 17:30 | 17:55 | 10 h 36 min |
| 5 | 06:29 | 06:54 | 17:30 | 17:55 | 10 h 36 min |
| 6 | 06:30 | 06:55 | 17:30 | 17:55 | 10 h 35 min |
| 7 | 06:31 | 06:56 | 17:30 | 17:55 | 10 h 35 min |
| 8 | 06:31 | 06:56 | 17:31 | 17:56 | 10 h 34 min |
| 9 | 06:32 | 06:57 | 17:31 | 17:56 | 10 h 34 min |
| 10 | 06:32 | 06:58 | 17:31 | 17:56 | 10 h 33 min |
| 11 | 06:33 | 06:58 | 17:31 | 17:56 | 10 h 33 min |
| 12 | 06:34 | 06:59 | 17:32 | 17:57 | 10 h 33 min |
| 13 | 06:34 | 06:59 | 17:32 | 17:57 | 10 h 33 min |
| 14 | 06:35 | 07:00 | 17:32 | 17:57 | 10 h 32 min |
| 15 | 06:35 | 07:01 | 17:33 | 17:58 | 10 h 32 min |
| 16 | 06:36 | 07:01 | 17:33 | 17:58 | 10 h 32 min |
| 17 | 06:36 | 07:02 | 17:33 | 17:59 | 10 h 32 min |
| 18 | 06:37 | 07:02 | 17:34 | 17:59 | 10 h 32 min |
| 19 | 06:37 | 07:03 | 17:34 | 17:59 | 10 h 32 min |
| 20 | 06:38 | 07:03 | 17:35 | 18:00 | 10 h 32 min |
| 21 | 06:38 | 07:04 | 17:35 | 18:00 | 10 h 32 min |
| 22 | 06:39 | 07:04 | 17:36 | 18:01 | 10 h 32 min |
| 23 | 06:39 | 07:04 | 17:36 | 18:01 | 10 h 32 min |
| 24 | 06:40 | 07:05 | 17:37 | 18:02 | 10 h 32 min |
| 25 | 06:40 | 07:05 | 17:37 | 18:02 | 10 h 32 min |
| 26 | 06:41 | 07:06 | 17:38 | 18:03 | 10 h 32 min |
| 27 | 06:41 | 07:06 | 17:38 | 18:03 | 10 h 32 min |
| 28 | 06:41 | 07:06 | 17:39 | 18:04 | 10 h 32 min |
| 29 | 06:42 | 07:07 | 17:39 | 18:05 | 10 h 33 min |
| 30 | 06:42 | 07:07 | 17:40 | 18:05 | 10 h 33 min |
| 31 | 06:42 | 07:07 | 17:41 | 18:06 | 10 h 33 min |
Approximate astronomical values: they can shift a minute or two from year to year.
What about vitamin D in December?
In December, the typical synthesis window in Miami runs from 11:00 to 15:00: with medium skin and a t-shirt, ~11 min at the best moment is enough.
See the Miami vitamin D guideCommon questions about the sun in Miami in December
- Where does the sun set in Miami in December?
- Mid-December in Miami: the sun sets in the southwest, a bearing of 244° measured from true north, which is 26° south of due west. It rises in the southeast, at 116°. Over the month both points barely move.
- How much daylight does Miami lose in December?
- Over December the day gets 4 minutes shorter in Miami: on December 1 the sun rises at 06:52 and sets at 17:29, and on day 31 it rises at 07:07 and sets at 17:41.
- How many hours of daylight does Miami get in December?
- In mid-December the day lasts 10 h 32 min in Miami, from sunrise at 07:01 to sunset at 17:33. The table has the day length for each of the 31 days of the month.
- What time does it start to get light in Miami in December?
- In mid-December the sky starts to get light at 06:35 in Miami, when the sun is 6° below the horizon, and the sun itself does not rise until 07:01. The “Dawn” column of the table gives that time for every day of the month.
- What time does it get dark in Miami in December?
- It's not the same time as sunset. In mid-December in Miami the sun sets at 17:33, but there is still light: civil twilight does not end until 17:58, 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 Miami in December?
- In mid-December, between 11:00 and 15:00: that is the stretch of the day when the UV index reaches 3 in Miami, the minimum for the skin to make vitamin D. At the best moment of the day about 11 minutes are enough for a mid-range skin phototype with a quarter of the body exposed to make around 1000 IU.