Newcastle Weather in December
Average highs run from 38°F on December 1 to 33°F on December 31, and lows from 18°F to 14°F. Normal precipitation for the month is 0.54 in over about 6 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
- 35°F
- Average low
- 15°F
- Precipitation
- 0.54 in
- Snowfall
- 6.8 in
- Record high
- 68°FDec 5, 1939
- Record low
- -35°FDec 21, 1983
- Chance of a freeze
- 100%
- Daylight
- 9 h 09 min to 8 h 58 min
- Cloud cover
- 64%
- Humidity
- 74%
- Dew point
- 15°F
- Wind
- 7.8 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 | 38°F | 18°F | 61°F 1951 | -19°F 1985 | 17% | 10% |
| Dec 2 | 38°F | 18°F | 65°F 1995 | -24°F 1985 | 17% | 10% |
| Dec 3 | 37°F | 18°F | 64°F 2021 | -5°F 1909 | 18% | 10% |
| Dec 4 | 37°F | 17°F | 63°F 1907 | -5°F 1909 | 18% | 10% |
| Dec 5 | 37°F | 17°F | 68°F 1939 | -24°F 1972 | 18% | 11% |
| Dec 6 | 36°F | 17°F | 66°F 1939 | -22°F 1972 | 18% | 11% |
| Dec 7 | 36°F | 17°F | 59°F 1918 | -20°F 1927 | 18% | 11% |
| Dec 8 | 36°F | 16°F | 61°F 1939 | -24°F 1972 | 18% | 11% |
| Dec 9 | 35°F | 16°F | 62°F 1939 | -25°F 1919 | 18% | 11% |
| Dec 10 | 35°F | 16°F | 63°F 1990 | -17°F 1932 | 18% | 11% |
| Dec 11 | 35°F | 15°F | 66°F 1939 | -17°F 1932 | 18% | 11% |
| Dec 12 | 35°F | 15°F | 60°F 1921 | -23°F 1919 | 18% | 12% |
| Dec 13 | 34°F | 15°F | 64°F 2014 | -20°F 1919 | 18% | 12% |
| Dec 14 | 34°F | 15°F | 60°F 1929 | -18°F 1926 | 18% | 12% |
| Dec 15 | 34°F | 15°F | 61°F 1998 | -19°F 1945 | 19% | 12% |
| Dec 16 | 34°F | 14°F | 59°F 1962 | -18°F 1979 | 19% | 12% |
| Dec 17 | 34°F | 14°F | 59°F 1980 | -30°F 1964 | 19% | 12% |
| Dec 18 | 34°F | 14°F | 63°F 1931 | -27°F 1964 | 19% | 12% |
| Dec 19 | 34°F | 14°F | 55°F 1931 | -20°F 1924 | 19% | 13% |
| Dec 20 | 33°F | 14°F | 60°F 1941 | -22°F 1990 | 19% | 13% |
| Dec 21 | 33°F | 14°F | 60°F 1933 | -35°F 1983 | 19% | 13% |
| Dec 22 | 33°F | 14°F | 61°F 1933 | -31°F 1983 | 19% | 13% |
| Dec 23 | 33°F | 14°F | 62°F 2025 | -30°F 1983 | 19% | 13% |
| Dec 24 | 33°F | 14°F | 58°F 1936 | -34°F 1983 | 19% | 13% |
| Dec 25 | 33°F | 14°F | 63°F 2025 | -22°F 1983 | 19% | 13% |
| Dec 26 | 33°F | 14°F | 60°F 2025 | -18°F 1996 | 19% | 13% |
| Dec 27 | 33°F | 14°F | 58°F 1980 | -10°F 1920 | 19% | 13% |
| Dec 28 | 33°F | 14°F | 55°F 1936 | -15°F 1946 | 19% | 13% |
| Dec 29 | 33°F | 14°F | 61°F 1933 | -28°F 1990 | 19% | 13% |
| Dec 30 | 33°F | 14°F | 55°F 1965 | -28°F 1990 | 19% | 13% |
| Dec 31 | 33°F | 14°F | 56°F 1926 | -24°F 1923 | 19% | 13% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MST).
- December 1
- sunrise 7:11 AM, sunset 4:20 PM
- December 31
- sunrise 7:31 AM, sunset 4:29 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00486660 (Newcastle), public domain. Records: NOAA GHCN-Daily, station USC00486660, 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.