SkyAlmanac

Moon · December 2025

Moon calendar for Missoula, Montana, United States: December 2025

Daily moon phases, illumination, moonrise and moonset in Missoula, Montana, United States for December 2025. Full moon: December 4, 2025. All times are shown in the local time of Missoula, Montana, United States.

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Full moonThursday, December 4, 2025, 4:18 PM
New moonFriday, December 19, 2025, 7:59 PM
Day Phase Illumination Moonrise Moonset
1 Waxing Gibbous 87% 2:12 PM 4:23 AM
2 Waxing Gibbous 94% 2:24 PM 5:48 AM
3 Waxing Gibbous 98% 3:00 PM 7:31 AM
4 Full Moon 100% 3:40 PM 8:49 AM
5 Waning Gibbous 99% 4:27 PM 10:04 AM
6 Waning Gibbous 95% 5:46 PM 11:06 AM
7 Waning Gibbous 89% 7:20 PM 11:50 AM
8 Waning Gibbous 81% 8:25 PM 12:18 PM
9 Waning Gibbous 72% 9:52 PM 12:30 PM
10 Waning Gibbous 62% 11:13 PM 12:54 PM
11 Last Quarter 52% — 1:25 PM
12 Last Quarter 41% 12:22 AM 1:33 PM
13 Waning Crescent 32% 1:36 AM 1:39 PM
14 Waning Crescent 23% 2:29 AM 1:58 PM
15 Waning Crescent 16% 3:44 AM 2:19 PM
16 Waning Crescent 10% 4:47 AM 2:31 PM
17 Waning Crescent 5% 6:00 AM 3:19 PM
18 Waning Crescent 2% 7:07 AM 3:43 PM
19 New Moon 0% 8:02 AM 4:27 PM
20 New Moon 1% 8:43 AM 5:36 PM
21 Waxing Crescent 3% 9:36 AM 6:28 PM
22 Waxing Crescent 7% 10:11 AM 7:44 PM
23 Waxing Crescent 13% 10:26 AM 8:58 PM
24 Waxing Crescent 21% 10:52 AM 10:16 PM
25 Waxing Crescent 30% 11:28 AM 11:34 PM
26 First Quarter 41% 11:37 AM —
27 First Quarter 52% 11:48 AM 12:35 AM
28 Waxing Gibbous 63% 12:14 PM 2:08 AM
29 Waxing Gibbous 74% 12:25 PM 3:35 AM
30 Waxing Gibbous 84% 12:56 PM 4:52 AM
31 Waxing Gibbous 91% 1:36 PM 6:22 AM

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Frequently asked questions

When is the full moon in December 2025 in Missoula, Montana, United States?

The full moon peaks on Thursday, December 4, 2025, 4:18 PM (local time).

When is the new moon in December 2025?

The new moon falls on Friday, December 19, 2025, 7:59 PM (local time) — the darkest nights of the month, best for stargazing.

Data: Meeus astronomical algorithms. How we calculate this

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