Sunrise and sunset in San Mateo, United States, December 2026
Sunset in December
4:51–5:01 pm
Sunrise 7:06–7:24 am. 9 h 34 min to 9 h 46 min of daylight.
Earliest sunset 4:51 pm, Dec 6Latest sunrise 7:24 am, Dec 31Shortest day 9 h 34 min, Dec 21Over the month 9 min less daylight
December in San Mateo, day by day
Each day’s sky from midnight to midnight
- Tue 1Sunrise 7:06 amSunset 4:51 pm9 h 46 min
- Wed 2Sunrise 7:06 amSunset 4:51 pm9 h 44 min
- Thu 3Sunrise 7:07 amSunset 4:51 pm9 h 43 min
- Fri 4Sunrise 7:08 amSunset 4:51 pm9 h 42 min
- Sat 5Sunrise 7:09 amSunset 4:51 pm9 h 41 min
- Sun 6Sunrise 7:10 amSunset 4:51 pm9 h 41 min
- Mon 7Sunrise 7:11 amSunset 4:51 pm9 h 40 min
- Tue 8Sunrise 7:12 amSunset 4:51 pm9 h 39 min
- Wed 9Sunrise 7:13 amSunset 4:51 pm9 h 38 min
- Thu 10Sunrise 7:13 amSunset 4:51 pm9 h 38 min
- Fri 11Sunrise 7:14 amSunset 4:51 pm9 h 37 min
- Sat 12Sunrise 7:15 amSunset 4:51 pm9 h 36 min
- Sun 13Sunrise 7:16 amSunset 4:51 pm9 h 36 min
- Mon 14Sunrise 7:16 amSunset 4:52 pm9 h 35 min
- Tue 15Sunrise 7:17 amSunset 4:52 pm9 h 35 min
- Wed 16Sunrise 7:18 amSunset 4:52 pm9 h 35 min
- Thu 17Sunrise 7:18 amSunset 4:53 pm9 h 34 min
- Fri 18Sunrise 7:19 amSunset 4:53 pm9 h 34 min
- Sat 19Sunrise 7:19 amSunset 4:54 pm9 h 34 min
- Sun 20Sunrise 7:20 amSunset 4:54 pm9 h 34 min
- Mon 21Sunrise 7:21 amSunset 4:54 pm9 h 34 min
- Tue 22Sunrise 7:21 amSunset 4:55 pm9 h 34 min
- Wed 23Sunrise 7:21 amSunset 4:56 pm9 h 34 min
- Thu 24Sunrise 7:22 amSunset 4:56 pm9 h 34 min
- Fri 25Sunrise 7:22 amSunset 4:57 pm9 h 34 min
- Sat 26Sunrise 7:23 amSunset 4:57 pm9 h 35 min
- Sun 27Sunrise 7:23 amSunset 4:58 pm9 h 35 min
- Mon 28Sunrise 7:23 amSunset 4:59 pm9 h 35 min
- Tue 29Sunrise 7:24 amSunset 4:59 pm9 h 36 min
- Wed 30Sunrise 7:24 amSunset 5:00 pm9 h 36 min
- Thu 31Sunrise 7:24 amSunset 5:01 pm9 h 37 min
Dawn, dusk and golden hour in San Mateo, December 2026
| Date | First light | Golden hour | Dark by | Solar noon |
|---|---|---|---|---|
| Tue 1 | 6:37 am | 4:11 pm | 5:20 pm | 11:58 am |
| Wed 2 | 6:38 am | 4:11 pm | 5:20 pm | 11:59 am |
| Thu 3 | 6:38 am | 4:11 pm | 5:20 pm | 11:59 am |
| Fri 4 | 6:39 am | 4:10 pm | 5:20 pm | 12:00 pm |
| Sat 5 | 6:40 am | 4:10 pm | 5:20 pm | 12:00 pm |
| Sun 6 | 6:41 am | 4:10 pm | 5:20 pm | 12:00 pm |
| Mon 7 | 6:42 am | 4:10 pm | 5:20 pm | 12:01 pm |
| Tue 8 | 6:43 am | 4:10 pm | 5:20 pm | 12:01 pm |
| Wed 9 | 6:43 am | 4:10 pm | 5:20 pm | 12:02 pm |
| Thu 10 | 6:44 am | 4:10 pm | 5:20 pm | 12:02 pm |
| Fri 11 | 6:45 am | 4:10 pm | 5:20 pm | 12:03 pm |
| Sat 12 | 6:46 am | 4:10 pm | 5:20 pm | 12:03 pm |
| Sun 13 | 6:46 am | 4:11 pm | 5:21 pm | 12:04 pm |
| Mon 14 | 6:47 am | 4:11 pm | 5:21 pm | 12:04 pm |
| Tue 15 | 6:48 am | 4:11 pm | 5:21 pm | 12:05 pm |
| Wed 16 | 6:48 am | 4:11 pm | 5:22 pm | 12:05 pm |
| Thu 17 | 6:49 am | 4:12 pm | 5:22 pm | 12:06 pm |
| Fri 18 | 6:50 am | 4:12 pm | 5:22 pm | 12:06 pm |
| Sat 19 | 6:50 am | 4:13 pm | 5:23 pm | 12:06 pm |
| Sun 20 | 6:51 am | 4:13 pm | 5:23 pm | 12:07 pm |
| Mon 21 | 6:51 am | 4:14 pm | 5:24 pm | 12:07 pm |
| Tue 22 | 6:52 am | 4:14 pm | 5:24 pm | 12:08 pm |
| Wed 23 | 6:52 am | 4:15 pm | 5:25 pm | 12:08 pm |
| Thu 24 | 6:53 am | 4:15 pm | 5:25 pm | 12:09 pm |
| Fri 25 | 6:53 am | 4:16 pm | 5:26 pm | 12:09 pm |
| Sat 26 | 6:53 am | 4:16 pm | 5:27 pm | 12:10 pm |
| Sun 27 | 6:54 am | 4:17 pm | 5:27 pm | 12:10 pm |
| Mon 28 | 6:54 am | 4:18 pm | 5:28 pm | 12:11 pm |
| Tue 29 | 6:54 am | 4:19 pm | 5:29 pm | 12:11 pm |
| Wed 30 | 6:55 am | 4:19 pm | 5:29 pm | 12:12 pm |
| Thu 31 | 6:55 am | 4:20 pm | 5:30 pm | 12:12 pm |
First light and dark by are civil twilight: the sun 6° below the horizon. Golden hour is when the evening’s starts, with the sun 6° above the horizon.
Questions
What time is sunset in San Mateo in December?
Between 4:51 pm (Dec 6) and 5:01 pm (Dec 31) in 2026.
What time is sunrise in San Mateo in December?
Between 7:06 am (Dec 1) and 7:24 am (Dec 31) in 2026.
When does it get dark in San Mateo in December?
It’s dark enough for streetlights by 5:20–5:30 pm, about half an hour after sunset.
How many hours of daylight does San Mateo get in December?
From 9 h 34 min on Dec 21 to 9 h 46 min on Dec 1. The days get shorter by 9 min from the first of the month to the last.
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