Morrison Weather in December
Average highs run from 55°F on December 1 to 48°F on December 31, and lows from 31°F to 25°F. Normal precipitation for the month is 1.66 in.
December day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
December at a glance
- Average high
- 50°F
- Average low
- 27°F
- Precipitation
- 1.66 in
- Snowfall
- 2.7 in
- Record high
- 85°FDec 27, 2025
- Record low
- -2°FDec 19, 2016
- Chance of a freeze
- 100%
- Daylight
- 9 h 52 min to 9 h 44 min
- Cloud cover
- 56%
- Humidity
- 75%
- Dew point
- 29°F
- Wind
- 10.3 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Dec 1 | 55°F | 31°F | 79°F 2012 | 3°F 2006 | 2% | |
| Dec 2 | 54°F | 31°F | 81°F 2021 | 10°F 2006 | 2% | |
| Dec 3 | 54°F | 30°F | 80°F 2012 | 16°F 2006 | 2% | |
| Dec 4 | 54°F | 30°F | 77°F 2017 | 14°F 2006 | 2% | |
| Dec 5 | 53°F | 30°F | 79°F 2021 | 16°F 2005 | 3% | |
| Dec 6 | 53°F | 30°F | 68°F 1998 | 12°F 2013 | 3% | |
| Dec 7 | 53°F | 29°F | 72°F 2023 | 6°F 2013 | 3% | |
| Dec 8 | 52°F | 29°F | 71°F 2008 | 3°F 2005 | 3% | |
| Dec 9 | 52°F | 29°F | 74°F 1996 | 4°F 2005 | 3% | |
| Dec 10 | 52°F | 28°F | 79°F 2021 | 3°F 2013 | 3% | |
| Dec 11 | 51°F | 28°F | 74°F 2015 | 10°F 2000 | 3% | |
| Dec 12 | 51°F | 28°F | 71°F 2015 | 8°F 2000 | 3% | |
| Dec 13 | 51°F | 28°F | 71°F 2009 | 10°F 2000 | 3% | |
| Dec 14 | 50°F | 28°F | 77°F 2021 | 1°F 2000 | 3% | |
| Dec 15 | 50°F | 27°F | 80°F 2021 | 14°F 2008 | 3% | |
| Dec 16 | 50°F | 27°F | 76°F 2006 | 11°F 2000 | 3% | |
| Dec 17 | 50°F | 27°F | 71°F 2024 | 8°F 2016 | 3% | |
| Dec 18 | 49°F | 27°F | 73°F 2013 | 0°F 2016 | 3% | |
| Dec 19 | 49°F | 27°F | 67°F 2012 | -2°F 2016 | 3% | |
| Dec 20 | 49°F | 26°F | 71°F 2010 | 12°F 1996 | 3% | |
| Dec 21 | 49°F | 26°F | 69°F 2007 | 8°F 2008 | 4% | |
| Dec 22 | 49°F | 26°F | 73°F 2025 | 2°F 2022 | 4% | |
| Dec 23 | 48°F | 26°F | 76°F 2025 | 3°F 2022 | 4% | |
| Dec 24 | 48°F | 26°F | 84°F 2021 | 6°F 2004 | 4% | |
| Dec 25 | 48°F | 26°F | 80°F 2025 | 7°F 2002 | 4% | |
| Dec 26 | 48°F | 26°F | 80°F 2021 | 11°F 2012 | 4% | |
| Dec 27 | 48°F | 25°F | 85°F 2025 | 14°F 2017 | 4% | |
| Dec 28 | 48°F | 25°F | 72°F 2021 | 16°F 2009 | 4% | |
| Dec 29 | 48°F | 25°F | 72°F 1999 | 11°F 2012 | 4% | |
| Dec 30 | 48°F | 25°F | 73°F 2010 | 9°F 2000 | 4% | |
| Dec 31 | 48°F | 25°F | 73°F 2004 | 7°F 2000 | 4% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CST).
- December 1
- sunrise 7:21 AM, sunset 5:13 PM
- December 31
- sunrise 7:39 AM, sunset 5:23 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00347507 (Red Rock 7SSE Mesonet), public domain. Records: NOAA GHCN-Daily, station USW00003965, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.