Troy Weather in December
Average highs run from 35°F on December 1 to 31°F on December 31, and lows from 26°F to 22°F. Normal precipitation for the month is 2.79 in over about 13 wet days.
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
- 32°F
- Average low
- 24°F
- Precipitation
- 2.79 in
- Snowfall
- 20.4 in
- Record high
- 59°FDec 2, 2021
- Record low
- -33°FDec 30, 1968
- Chance of a freeze
- 100%
- Daylight
- 8 h 37 min to 8 h 23 min
- Cloud cover
- 73%
- Humidity
- 99%
- Dew point
- 17°F
- Wind
- 3.8 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 | 35°F | 26°F | 52°F 2021 | -10°F 1985 | 43% | 17% |
| Dec 2 | 35°F | 26°F | 59°F 2021 | -4°F 1985 | 43% | 17% |
| Dec 3 | 35°F | 26°F | 53°F 2021 | -1°F 1984 | 43% | 18% |
| Dec 4 | 35°F | 25°F | 53°F 2021 | 0°F 1984 | 42% | 18% |
| Dec 5 | 34°F | 25°F | 50°F 2012 | -5°F 1984 | 42% | 19% |
| Dec 6 | 34°F | 25°F | 51°F 1939 | -3°F 1984 | 42% | 19% |
| Dec 7 | 34°F | 25°F | 48°F 1979 | -3°F 1972 | 42% | 20% |
| Dec 8 | 34°F | 25°F | 51°F 1979 | -11°F 1972 | 42% | 20% |
| Dec 9 | 33°F | 24°F | 53°F 2015 | -9°F 1972 | 42% | 21% |
| Dec 10 | 33°F | 24°F | 54°F 1956 | -8°F 1972 | 42% | 21% |
| Dec 11 | 33°F | 24°F | 50°F 2004 | -7°F 1961 | 42% | 22% |
| Dec 12 | 33°F | 24°F | 49°F 1955 | -1°F 1961 | 42% | 22% |
| Dec 13 | 32°F | 24°F | 52°F 1988 | -1°F 1945 | 42% | 23% |
| Dec 14 | 32°F | 23°F | 50°F 2025 | -6°F 1955 | 42% | 23% |
| Dec 15 | 32°F | 23°F | 50°F 1980 | -6°F 1955 | 42% | 23% |
| Dec 16 | 32°F | 23°F | 53°F 1942 | -8°F 1964 | 42% | 24% |
| Dec 17 | 32°F | 23°F | 50°F 2025 | -16°F 1964 | 42% | 24% |
| Dec 18 | 32°F | 23°F | 50°F 2025 | -7°F 1955 | 42% | 25% |
| Dec 19 | 32°F | 23°F | 51°F 2025 | -1°F 1983 | 42% | 25% |
| Dec 20 | 32°F | 23°F | 50°F 1936 | -10°F 2008 | 42% | 25% |
| Dec 21 | 31°F | 23°F | 48°F 2020 | -13°F 1983 | 42% | 26% |
| Dec 22 | 31°F | 23°F | 52°F 2014 | -16°F 2022 | 42% | 26% |
| Dec 23 | 31°F | 22°F | 47°F 1936 | -17°F 1983 | 42% | 26% |
| Dec 24 | 31°F | 22°F | 46°F 1992 | -14°F 1983 | 42% | 26% |
| Dec 25 | 31°F | 22°F | 45°F 1972 | -6°F 1948 | 42% | 27% |
| Dec 26 | 31°F | 22°F | 56°F 1980 | -11°F 1996 | 42% | 27% |
| Dec 27 | 31°F | 22°F | 55°F 1980 | -11°F 1948 | 42% | 27% |
| Dec 28 | 31°F | 22°F | 51°F 1980 | -7°F 1983 | 42% | 27% |
| Dec 29 | 31°F | 22°F | 50°F 2011 | -23°F 1968 | 42% | 27% |
| Dec 30 | 31°F | 22°F | 46°F 2011 | -33°F 1968 | 42% | 27% |
| Dec 31 | 31°F | 22°F | 49°F 1958 | -28°F 1968 | 42% | 27% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MST).
- December 1
- sunrise 8:14 AM, sunset 4:51 PM
- December 31
- sunrise 8:35 AM, sunset 4:58 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00248390 (Troy), public domain. Records: NOAA GHCN-Daily, station USC00101079, 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.