Sterling Heights · December 2026
Northern lights in Sterling Heights in December 2026
Answer
December against the rest of the year
December cloud at Sterling Heights averages 79% in NASA POWER's 2001 to 2020 record, 16 points cloudier than its yearly mean. August is Sterling Heights's clearest month at 49%. By civil night times clear sky, December scores 2.9 hours at Sterling Heights, 12th of 12. Buffalo, 341 km away, averages 85%, cloudier by 6 points.
Civil night at Sterling Heights starts December at 13 h 35 min and reaches 13 h 44 min by December 31 as the nights lengthen by 0.1 hours. SWPC's 10 PM to 2 AM window is fully dark on every night. True astronomical darkness, the sun 18 degrees down, lasts 11.4 hours on the 15th.
December night by night
December opens toward a new moon on Dec 8, with full moon on Dec 23, in America/Detroit dates. Sterling Heights gets 229 hours of civil night with the moon below the horizon across the month. The best of them for moon-free darkness inside 10 PM to 2 AM: Dec 2 (4 h), Dec 3 (4 h), Dec 4 (4 h).
- 1
40% lit
7.7 h
- 2
30% lit
8.8 h
- 3
21% lit
9.9 h
- 4
14% lit
11.1 h
- 5
8% lit
12.2 h
- 6
3% lit
13.3 h
- 7
1% lit
13.7 h
- 8
0% lit
13.7 h
- 9
1% lit
13.7 h
- 10
4% lit
13.2 h
- 11
9% lit
12.2 h
- 12
15% lit
11.1 h
- 13
22% lit
10.1 h
- 14
31% lit
9.0 h
- 15
40% lit
8.0 h
- 16
50% lit
6.9 h
- 17
60% lit
5.8 h
- 18
70% lit
4.7 h
- 19
80% lit
3.4 h
- 20
88% lit
2.1 h
- 21
95% lit
0.8 h
- 22
99% lit
0.0 h
- 23
100% lit
0.0 h
- 24
98% lit
0.2 h
- 25
93% lit
1.5 h
- 26
86% lit
2.9 h
- 27
77% lit
4.2 h
- 28
67% lit
5.4 h
- 29
56% lit
6.5 h
- 30
46% lit
7.7 h
- 31
36% lit
8.8 h
Each cell is the night that starts on that date. Hours are civil-dark time with the moon below the horizon; the green rule scales with them. Green outline: new moon. Bone outline: full moon.
Activity in past Decembers
Sterling Heights needs Kp 8 for the average oval edge to sit overhead. 1 of the 930 December days from 1996 to 2025 (0%) reached it in the GFZ Potsdam record, one of the three quietest months for that level; storm days with Kp 5 or more made up 5%. Sterling Heights sits at 51.6 degrees geomagnetic. The lowest NOAA storm level whose typical viewing latitude reaches it is G3 (Kp = 7). By SWPC's rule the average oval edge is overhead only at Kp 8.
December across United States
Sterling Heights ranks 10th in United States for civil night on December 15, behind Fairbanks at 17.2 hours. Coming from November (13.2 hours at Sterling Heights), December adds darkness, and January brings shorter nights (13.5 hours on the 15th). The December solstice falls on December 21, 15:49 Sterling Heights time.
| Town | Civil night | Cloud |
|---|---|---|
| Fairbanks | 17.2 h | 59% |
| Anchorage | 16.3 h | 72% |
| Eagle River | 16.3 h | 72% |
| Juneau | 15.7 h | 80% |
| Seattle | 14.3 h | 79% |
| Duluth | 14.2 h | 71% |
| Fargo | 14.2 h | 68% |
| Minneapolis | 14.0 h | 69% |
| Portland, Maine | 13.9 h | 66% |
| Sterling Heights | 13.8 h | 79% |
| Buffalo | 13.8 h | 85% |
Darkness and moon, every night
| Night | Civil | Astronomical | Moon-free dark | Moon-free, 10 PM to 2 AM | Moon lit |
|---|---|---|---|---|---|
| Tue Dec 1 | 13 h 35 min | 11 h 17 min | 7 h 42 min | 3 h 16 min | 40% |
| Wed Dec 2 | 13 h 36 min | 11 h 18 min | 8 h 50 min | 4 h | 30% |
| Thu Dec 3 | 13 h 37 min | 11 h 19 min | 9 h 57 min | 4 h | 21% |
| Fri Dec 4 | 13 h 38 min | 11 h 20 min | 11 h 4 min | 4 h | 14% |
| Sat Dec 5 | 13 h 39 min | 11 h 21 min | 12 h 10 min | 4 h | 8% |
| Sun Dec 6 | 13 h 40 min | 11 h 22 min | 13 h 16 min | 4 h | 3% |
| Mon Dec 7 | 13 h 41 min | 11 h 23 min | 13 h 41 min | 4 h | 1% |
| Tue Dec 8 | 13 h 42 min | 11 h 23 min | 13 h 42 min | 4 h | 0% |
| Wed Dec 9 | 13 h 43 min | 11 h 24 min | 13 h 43 min | 4 h | 1% |
| Thu Dec 10 | 13 h 44 min | 11 h 25 min | 13 h 12 min | 4 h | 4% |
| Fri Dec 11 | 13 h 44 min | 11 h 25 min | 12 h 11 min | 4 h | 9% |
| Sat Dec 12 | 13 h 45 min | 11 h 26 min | 11 h 8 min | 4 h | 15% |
| Sun Dec 13 | 13 h 45 min | 11 h 26 min | 10 h 5 min | 4 h | 22% |
| Mon Dec 14 | 13 h 46 min | 11 h 26 min | 9 h 2 min | 3 h 42 min | 31% |
| Tue Dec 15 | 13 h 46 min | 11 h 27 min | 7 h 59 min | 2 h 38 min | 40% |
| Wed Dec 16 | 13 h 47 min | 11 h 27 min | 6 h 55 min | 1 h 34 min | 50% |
| Thu Dec 17 | 13 h 47 min | 11 h 27 min | 5 h 49 min | 27 min | 60% |
| Fri Dec 18 | 13 h 47 min | 11 h 28 min | 4 h 39 min | 0 min | 70% |
| Sat Dec 19 | 13 h 47 min | 11 h 28 min | 3 h 25 min | 0 min | 80% |
| Sun Dec 20 | 13 h 47 min | 11 h 28 min | 2 h 7 min | 0 min | 88% |
| Mon Dec 21 | 13 h 47 min | 11 h 28 min | 48 min | 0 min | 95% |
| Tue Dec 22 | 13 h 47 min | 11 h 28 min | 0 min | 0 min | 99% |
| Wed Dec 23 | 13 h 47 min | 11 h 28 min | 0 min | 0 min | 100% |
| Thu Dec 24 | 13 h 47 min | 11 h 27 min | 10 min | 0 min | 98% |
| Fri Dec 25 | 13 h 47 min | 11 h 27 min | 1 h 32 min | 0 min | 93% |
| Sat Dec 26 | 13 h 46 min | 11 h 27 min | 2 h 53 min | 0 min | 86% |
| Sun Dec 27 | 13 h 46 min | 11 h 27 min | 4 h 10 min | 0 min | 77% |
| Mon Dec 28 | 13 h 45 min | 11 h 26 min | 5 h 23 min | 1 h 4 min | 67% |
| Tue Dec 29 | 13 h 45 min | 11 h 26 min | 6 h 32 min | 2 h 14 min | 56% |
| Wed Dec 30 | 13 h 44 min | 11 h 25 min | 7 h 39 min | 3 h 22 min | 46% |
| Thu Dec 31 | 13 h 44 min | 11 h 25 min | 8 h 46 min | 4 h | 36% |
Questions
- Can you see the northern lights in Sterling Heights in December?
- On dark, clear nights with enough activity. 31 of 31 nights at Sterling Heights have civil darkness, and 0% of past December days reached Kp 8.
- How dark is Sterling Heights in December?
- Sterling Heights averages 13.7 hours of civil night a night in December 2026, from 13 h 35 min on the 1st to 13 h 44 min on the last night.
- How cloudy is Sterling Heights in December?
- NASA POWER's 2001 to 2020 climatology gives Sterling Heights's 1 degree cell 79% mean cloud in December, against 63% for the whole year. It is an all-hours average, not a forecast.
- What is the best night in December 2026 for aurora in Sterling Heights?
- By darkness and moon alone, Dec 2, with 4 h of moon-free darkness inside 10 PM to 2 AM at Sterling Heights. Activity on that date will only be known hours ahead.
- Is December or January better in Sterling Heights?
- By civil night times the clear share, December scores 2.9 hours at Sterling Heights and January 3.1. January comes out ahead.
Sources and verification
- SunCalchttps://github.com/mourner/suncalc
- NASA POWER climatologyhttps://power.larc.nasa.gov/docs/services/api/temporal/climatology/
- GFZ Potsdam Kp indexhttps://kp.gfz.de/en/data
- NOAA SWPC, Tips on viewing the aurorahttps://www.spaceweather.gov/content/tips-viewing-aurora
Quoted figures last checked against their sources on 2026-09-30; next review 2026-12-31. Computed figures come from SunCalc and the IGRF-14 dipole as described in the methodology. Every quote is listed in the sources ledger.