Callahan Weather in December
Average highs run from 70°F on December 1 to 66°F on December 31, and lows from 48°F to 43°F. Normal precipitation for the month is 2.78 in over about 8 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
- 68°F
- Average low
- 46°F
- Precipitation
- 2.78 in
- Record high
- 85°FDec 5, 2016
- Record low
- 11°FDec 25, 1983
- Chance of a freeze
- 67%
- Daylight
- 10 h 19 min to 10 h 13 min
- Cloud cover
- 65%
- Humidity
- 82%
- Dew point
- 49°F
- Wind
- 5.1 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 | 70°F | 48°F | 84°F 1981 | 28°F 1938 | 23% |
| Dec 2 | 70°F | 48°F | 84°F 1991 | 26°F 1999 | 23% |
| Dec 3 | 69°F | 48°F | 83°F 1991 | 29°F 2008 | 23% |
| Dec 4 | 69°F | 48°F | 84°F 1994 | 27°F 1989 | 24% |
| Dec 5 | 69°F | 48°F | 85°F 2016 | 29°F 1974 | 24% |
| Dec 6 | 69°F | 47°F | 83°F 1942 | 28°F 1981 | 24% |
| Dec 7 | 69°F | 47°F | 83°F 2013 | 26°F 1984 | 24% |
| Dec 8 | 69°F | 47°F | 83°F 1978 | 24°F 2010 | 24% |
| Dec 9 | 68°F | 47°F | 84°F 2004 | 28°F 1984 | 24% |
| Dec 10 | 68°F | 47°F | 85°F 2019 | 25°F 1974 | 24% |
| Dec 11 | 68°F | 47°F | 83°F 1961 | 23°F 1981 | 24% |
| Dec 12 | 68°F | 47°F | 83°F 1961 | 22°F 1962 | 25% |
| Dec 13 | 68°F | 46°F | 83°F 1956 | 12°F 1962 | 25% |
| Dec 14 | 68°F | 46°F | 82°F 1956 | 20°F 2010 | 25% |
| Dec 15 | 68°F | 46°F | 84°F 2009 | 21°F 2010 | 25% |
| Dec 16 | 67°F | 46°F | 83°F 1956 | 26°F 1968 | 25% |
| Dec 17 | 67°F | 46°F | 82°F 2015 | 25°F 1945 | 25% |
| Dec 18 | 67°F | 46°F | 83°F 2016 | 25°F 1988 | 25% |
| Dec 19 | 67°F | 45°F | 83°F 1967 | 23°F 1975 | 25% |
| Dec 20 | 67°F | 45°F | 82°F 1990 | 19°F 1981 | 25% |
| Dec 21 | 67°F | 45°F | 83°F 2013 | 22°F 1981 | 25% |
| Dec 22 | 67°F | 45°F | 84°F 2013 | 25°F 1973 | 25% |
| Dec 23 | 67°F | 45°F | 84°F 1956 | 24°F 1989 | 25% |
| Dec 24 | 66°F | 45°F | 83°F 2015 | 18°F 1983 | 25% |
| Dec 25 | 66°F | 44°F | 82°F 2015 | 11°F 1983 | 25% |
| Dec 26 | 66°F | 44°F | 83°F 1987 | 13°F 1983 | 25% |
| Dec 27 | 66°F | 44°F | 83°F 2015 | 24°F 1983 | 25% |
| Dec 28 | 66°F | 44°F | 85°F 2015 | 20°F 2010 | 25% |
| Dec 29 | 66°F | 44°F | 83°F 2015 | 24°F 2010 | 25% |
| Dec 30 | 66°F | 44°F | 84°F 2015 | 24°F 1961 | 25% |
| Dec 31 | 66°F | 43°F | 83°F 2021 | 21°F 2000 | 25% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (EST).
- December 1
- sunrise 7:07 AM, sunset 5:26 PM
- December 31
- sunrise 7:24 AM, sunset 5:37 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00013889 (Jacksonville), public domain. Records: NOAA GHCN-Daily, station USW00013889, 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.