Alpha Weather in December
Average highs run from 47°F on December 1 to 39°F on December 31, and lows from 28°F to 24°F. Normal precipitation for the month is 4.37 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
- 43°F
- Average low
- 26°F
- Precipitation
- 4.37 in
- Snowfall
- 6.4 in
- Record high
- 75°FDec 30, 1984
- Record low
- -14°FDec 27, 1948
- Chance of a freeze
- 100%
- Daylight
- 9 h 29 min to 9 h 19 min
- Cloud cover
- 63%
- Humidity
- 86%
- Dew point
- 29°F
- Wind
- 5.4 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 | 47°F | 28°F | 74°F 1962 | 4°F 1967 | 9% | |
| Dec 2 | 47°F | 28°F | 71°F 2006 | -4°F 1967 | 9% | |
| Dec 3 | 47°F | 28°F | 66°F 1980 | -1°F 1967 | 10% | |
| Dec 4 | 46°F | 28°F | 68°F 1998 | 7°F 1940 | 10% | |
| Dec 5 | 46°F | 28°F | 72°F 1982 | 10°F 1926 | 10% | |
| Dec 6 | 46°F | 27°F | 72°F 2001 | 5°F 1957 | 10% | |
| Dec 7 | 45°F | 27°F | 70°F 1956 | -3°F 1926 | 11% | |
| Dec 8 | 45°F | 27°F | 74°F 1998 | 6°F 2002 | 11% | |
| Dec 9 | 44°F | 27°F | 74°F 1998 | 6°F 1902 | 11% | |
| Dec 10 | 44°F | 27°F | 72°F 1946 | -7°F 1910 | 11% | |
| Dec 11 | 44°F | 27°F | 66°F 1966 | -3°F 1958 | 12% | |
| Dec 12 | 43°F | 27°F | 68°F 1931 | 2°F 1910 | 12% | |
| Dec 13 | 43°F | 26°F | 63°F 1923 | 2°F 1988 | 12% | |
| Dec 14 | 43°F | 26°F | 70°F 2015 | 0°F 2005 | 12% | |
| Dec 15 | 43°F | 26°F | 65°F 2015 | -10°F 1904 | 12% | |
| Dec 16 | 42°F | 26°F | 64°F 1975 | -4°F 1917 | 12% | |
| Dec 17 | 42°F | 26°F | 64°F 1971 | -4°F 1951 | 13% | |
| Dec 18 | 42°F | 26°F | 63°F 1937 | -7°F 1919 | 13% | |
| Dec 19 | 41°F | 25°F | 63°F 1931 | -3°F 1932 | 13% | |
| Dec 20 | 41°F | 25°F | 63°F 1957 | -1°F 1960 | 13% | |
| Dec 21 | 41°F | 25°F | 65°F 1923 | -4°F 1942 | 13% | |
| Dec 22 | 41°F | 25°F | 66°F 2013 | -1°F 1904 | 13% | |
| Dec 23 | 40°F | 25°F | 67°F 2013 | -6°F 1960 | 13% | |
| Dec 24 | 40°F | 25°F | 69°F 2015 | 1°F 2024 | 14% | |
| Dec 25 | 40°F | 25°F | 69°F 2015 | -3°F 1948 | 14% | |
| Dec 26 | 40°F | 24°F | 68°F 1964 | -9°F 1980 | 14% | |
| Dec 27 | 40°F | 24°F | 66°F 1964 | -14°F 1948 | 14% | |
| Dec 28 | 39°F | 24°F | 62°F 1954 | -10°F 1950 | 14% | |
| Dec 29 | 39°F | 24°F | 65°F 2008 | -7°F 1933 | 15% | |
| Dec 30 | 39°F | 24°F | 75°F 1984 | -8°F 1917 | 15% | |
| Dec 31 | 39°F | 24°F | 61°F 1932 | -10°F 1963 | 15% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EST).
- December 1
- sunrise 7:05 AM, sunset 4:34 PM
- December 31
- sunrise 7:24 AM, sunset 4:43 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00286979 (Phillipsburg-Easton Brg), public domain. Records: NOAA GHCN-Daily, station USC00283029, 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.