Chester Weather in December
Average highs run from 35°F on December 1 to 29°F on December 31, and lows from 10°F to 2°F. Normal precipitation for the month is 0.56 in over about 5 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
- 6°F
- Precipitation
- 0.56 in
- Snowfall
- 6.3 in
- Record high
- 65°FDec 27, 1999
- Record low
- -36°FDec 26, 1996
- Chance of a freeze
- 100%
- Daylight
- 8 h 36 min to 8 h 22 min
- Cloud cover
- 72%
- Humidity
- 80%
- Dew point
- 17°F
- Wind
- 11.4 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 | 35°F | 10°F | 63°F 2021 | -18°F 2014 | 16% | 12% |
| Dec 2 | 35°F | 10°F | 64°F 2021 | -27°F 1950 | 16% | 12% |
| Dec 3 | 35°F | 10°F | 54°F 2021 | -15°F 1955 | 16% | 12% |
| Dec 4 | 34°F | 9°F | 51°F 1957 | -16°F 2010 | 16% | 12% |
| Dec 5 | 34°F | 9°F | 55°F 2023 | -25°F 1950 | 16% | 12% |
| Dec 6 | 34°F | 9°F | 62°F 2023 | -32°F 1956 | 15% | 12% |
| Dec 7 | 34°F | 8°F | 56°F 2020 | -33°F 2013 | 15% | 12% |
| Dec 8 | 33°F | 8°F | 59°F 2024 | -32°F 2009 | 15% | 12% |
| Dec 9 | 33°F | 8°F | 60°F 2020 | -31°F 2009 | 16% | 12% |
| Dec 10 | 33°F | 7°F | 57°F 2017 | -24°F 2000 | 16% | 13% |
| Dec 11 | 33°F | 7°F | 59°F 2017 | -24°F 2000 | 16% | 13% |
| Dec 12 | 32°F | 7°F | 53°F 1998 | -26°F 2000 | 16% | 13% |
| Dec 13 | 32°F | 6°F | 61°F 1952 | -18°F 2016 | 16% | 13% |
| Dec 14 | 32°F | 6°F | 59°F 1952 | -24°F 2008 | 16% | 13% |
| Dec 15 | 32°F | 6°F | 56°F 2025 | -27°F 2009 | 16% | 13% |
| Dec 16 | 31°F | 5°F | 55°F 2025 | -24°F 2008 | 16% | 13% |
| Dec 17 | 31°F | 5°F | 56°F 2023 | -29°F 2016 | 16% | 13% |
| Dec 18 | 31°F | 5°F | 62°F 1954 | -34°F 1955 | 17% | 14% |
| Dec 19 | 31°F | 4°F | 64°F 1954 | -24°F 1951 | 17% | 14% |
| Dec 20 | 31°F | 4°F | 59°F 1956 | -29°F 1951 | 17% | 14% |
| Dec 21 | 30°F | 4°F | 60°F 1954 | -28°F 2008 | 17% | 14% |
| Dec 22 | 30°F | 4°F | 57°F 2019 | -26°F 2022 | 17% | 14% |
| Dec 23 | 30°F | 4°F | 58°F 2023 | -27°F 2022 | 17% | 14% |
| Dec 24 | 30°F | 3°F | 61°F 1999 | -27°F 1951 | 17% | 14% |
| Dec 25 | 30°F | 3°F | 56°F 2005 | -23°F 2012 | 17% | 14% |
| Dec 26 | 30°F | 3°F | 53°F 2005 | -36°F 1996 | 17% | 14% |
| Dec 27 | 29°F | 3°F | 65°F 1999 | -22°F 2017 | 17% | 14% |
| Dec 28 | 29°F | 3°F | 64°F 1956 | -27°F 1996 | 18% | 14% |
| Dec 29 | 29°F | 3°F | 65°F 1956 | -33°F 1996 | 18% | 14% |
| Dec 30 | 29°F | 2°F | 58°F 1956 | -34°F 1951 | 18% | 14% |
| Dec 31 | 29°F | 2°F | 55°F 1997 | -29°F 1992 | 18% | 14% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MST).
- December 1
- sunrise 7:55 AM, sunset 4:31 PM
- December 31
- sunrise 8:16 AM, sunset 4:38 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00241692 (Chester), public domain. Records: NOAA GHCN-Daily, station USC00247500, 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.