Chester Weather in December
Average highs run from 64°F on December 1 to 59°F on December 31, and lows from 42°F to 39°F. Normal precipitation for the month is 4.78 in over about 7 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
- 61°F
- Average low
- 40°F
- Precipitation
- 4.78 in
- Record high
- 86°FDec 5, 1922
- Record low
- 4°FDec 13, 1962
- Chance of a freeze
- 91%
- Daylight
- 10 h 11 min to 10 h 04 min
- Cloud cover
- 56%
- Humidity
- 80%
- Dew point
- 42°F
- Wind
- 6.3 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Dec 1 | 64°F | 42°F | 81°F 1931 | 19°F 1964 | 20% |
| Dec 2 | 64°F | 42°F | 80°F 1908 | 22°F 1964 | 20% |
| Dec 3 | 64°F | 42°F | 81°F 1922 | 22°F 1944 | 20% |
| Dec 4 | 64°F | 42°F | 81°F 1912 | 20°F 1929 | 20% |
| Dec 5 | 63°F | 42°F | 86°F 1922 | 22°F 1907 | 20% |
| Dec 6 | 63°F | 41°F | 82°F 1924 | 24°F 1937 | 20% |
| Dec 7 | 63°F | 41°F | 82°F 1912 | 15°F 1937 | 21% |
| Dec 8 | 63°F | 41°F | 81°F 1998 | 21°F 2010 | 21% |
| Dec 9 | 63°F | 41°F | 81°F 1919 | 21°F 1917 | 21% |
| Dec 10 | 62°F | 41°F | 83°F 2003 | 21°F 2010 | 21% |
| Dec 11 | 62°F | 41°F | 81°F 1931 | 21°F 1917 | 21% |
| Dec 12 | 62°F | 41°F | 80°F 1931 | 16°F 1962 | 21% |
| Dec 13 | 62°F | 40°F | 81°F 1926 | 4°F 1962 | 21% |
| Dec 14 | 62°F | 40°F | 84°F 1956 | 9°F 1962 | 22% |
| Dec 15 | 61°F | 40°F | 84°F 1956 | 18°F 2010 | 22% |
| Dec 16 | 61°F | 40°F | 81°F 1924 | 17°F 1968 | 22% |
| Dec 17 | 61°F | 40°F | 85°F 1956 | 18°F 1968 | 22% |
| Dec 18 | 61°F | 40°F | 85°F 1956 | 19°F 1953 | 22% |
| Dec 19 | 61°F | 40°F | 81°F 2016 | 13°F 1963 | 22% |
| Dec 20 | 61°F | 40°F | 81°F 1967 | 16°F 1975 | 22% |
| Dec 21 | 60°F | 39°F | 81°F 1967 | 17°F 1996 | 22% |
| Dec 22 | 60°F | 39°F | 79°F 1967 | 17°F 1960 | 22% |
| Dec 23 | 60°F | 39°F | 78°F 1931 | 12°F 1989 | 22% |
| Dec 24 | 60°F | 39°F | 79°F 1970 | 9°F 1989 | 22% |
| Dec 25 | 60°F | 39°F | 82°F 1955 | 7°F 1983 | 22% |
| Dec 26 | 60°F | 39°F | 78°F 1974 | 9°F 1983 | 22% |
| Dec 27 | 60°F | 39°F | 78°F 1987 | 17°F 1902 | 22% |
| Dec 28 | 60°F | 39°F | 81°F 1946 | 19°F 1902 | 22% |
| Dec 29 | 59°F | 39°F | 80°F 1946 | 21°F 1977 | 22% |
| Dec 30 | 59°F | 39°F | 79°F 1984 | 13°F 1909 | 23% |
| Dec 31 | 59°F | 39°F | 79°F 1984 | 16°F 1917 | 23% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (EST).
- December 1
- sunrise 7:16 AM, sunset 5:27 PM
- December 31
- sunrise 7:34 AM, sunset 5:38 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00092966 (Eastman 1 W), public domain. Records: NOAA GHCN-Daily, station USC00092966, 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.