Fairfield Weather in December
Average highs run from 61°F on December 1 to 55°F on December 31, and lows from 38°F to 35°F. Normal precipitation for the month is 5.20 in over about 11 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
- 58°F
- Average low
- 37°F
- Precipitation
- 5.20 in
- Snowfall
- 0.1 in
- Record high
- 80°FDec 7, 1951
- Record low
- 1°FDec 13, 1962
- Chance of a freeze
- 99%
- Daylight
- 10 h 06 min to 9 h 58 min
- Cloud cover
- 61%
- Humidity
- 84%
- Dew point
- 40°F
- Wind
- 4.5 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 | 61°F | 38°F | 75°F 1991 | 17°F 1965 | 31% | 0% |
| Dec 2 | 61°F | 38°F | 76°F 1982 | 20°F 1960 | 31% | 0% |
| Dec 3 | 61°F | 38°F | 76°F 1933 | 21°F 1960 | 32% | 0% |
| Dec 4 | 61°F | 38°F | 78°F 1998 | 20°F 1989 | 32% | 0% |
| Dec 5 | 60°F | 38°F | 79°F 1998 | 23°F 1987 | 32% | 0% |
| Dec 6 | 60°F | 38°F | 78°F 1998 | 14°F 1937 | 32% | 0% |
| Dec 7 | 60°F | 38°F | 80°F 1951 | 12°F 1937 | 33% | 0% |
| Dec 8 | 60°F | 38°F | 79°F 1978 | 17°F 2006 | 33% | 0% |
| Dec 9 | 59°F | 38°F | 74°F 1946 | 16°F 2010 | 33% | 0% |
| Dec 10 | 59°F | 37°F | 79°F 2007 | 13°F 1995 | 33% | 0% |
| Dec 11 | 59°F | 37°F | 78°F 2007 | 11°F 1962 | 34% | 0% |
| Dec 12 | 59°F | 37°F | 78°F 1971 | 4°F 1962 | 34% | 0% |
| Dec 13 | 58°F | 37°F | 79°F 1931 | 1°F 1962 | 34% | 0% |
| Dec 14 | 58°F | 37°F | 77°F 1971 | 14°F 2010 | 34% | 0% |
| Dec 15 | 58°F | 37°F | 77°F 1971 | 15°F 1968 | 34% | 0% |
| Dec 16 | 58°F | 37°F | 75°F 1933 | 12°F 1989 | 34% | 0% |
| Dec 17 | 58°F | 37°F | 73°F 1933 | 15°F 1945 | 35% | 0% |
| Dec 18 | 57°F | 37°F | 76°F 1984 | 14°F 1953 | 35% | 0% |
| Dec 19 | 57°F | 36°F | 75°F 1984 | 11°F 1963 | 35% | 0% |
| Dec 20 | 57°F | 36°F | 74°F 1978 | 9°F 1981 | 35% | 0% |
| Dec 21 | 57°F | 36°F | 74°F 2013 | 15°F 1989 | 35% | 0% |
| Dec 22 | 57°F | 36°F | 73°F 2013 | 4°F 1989 | 35% | 0% |
| Dec 23 | 56°F | 36°F | 73°F 2015 | 1°F 1989 | 35% | 0% |
| Dec 24 | 56°F | 36°F | 78°F 2025 | 4°F 1983 | 35% | 0% |
| Dec 25 | 56°F | 36°F | 78°F 2016 | 2°F 1983 | 35% | 0% |
| Dec 26 | 56°F | 36°F | 76°F 2021 | 5°F 1983 | 35% | 0% |
| Dec 27 | 56°F | 36°F | 77°F 2015 | 15°F 1935 | 35% | 0% |
| Dec 28 | 56°F | 35°F | 76°F 1984 | 18°F 2010 | 35% | 0% |
| Dec 29 | 56°F | 35°F | 77°F 2021 | 15°F 1983 | 35% | 0% |
| Dec 30 | 56°F | 35°F | 76°F 1984 | 9°F 1983 | 35% | 0% |
| Dec 31 | 55°F | 35°F | 79°F 1951 | 9°F 1983 | 35% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CST).
- December 1
- sunrise 6:34 AM, sunset 4:40 PM
- December 31
- sunrise 6:52 AM, sunset 4:50 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00010764 (Bessemer 3 Wsw), public domain. Records: NOAA GHCN-Daily, station USW00013876, 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.