Ione Weather in December
Average highs run from 57°F on December 1 to 54°F on December 31, and lows from 42°F to 40°F. Normal precipitation for the month is 4.15 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
- 55°F
- Average low
- 40°F
- Precipitation
- 4.15 in
- Record high
- 70°FDec 7, 2000
- Record low
- 20°FDec 20, 1998
- Chance of a freeze
- 62%
- Daylight
- 9 h 41 min to 9 h 32 min
- Cloud cover
- 59%
- Humidity
- 70%
- Dew point
- 37°F
- Wind
- 6.9 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 | 57°F | 42°F | 69°F 2008 | 29°F 2006 | 32% |
| Dec 2 | 57°F | 42°F | 69°F 2008 | 31°F 2006 | 33% |
| Dec 3 | 57°F | 42°F | 68°F 2021 | 31°F 1999 | 33% |
| Dec 4 | 57°F | 42°F | 67°F 2020 | 31°F 2001 | 34% |
| Dec 5 | 56°F | 41°F | 68°F 2013 | 27°F 2013 | 34% |
| Dec 6 | 56°F | 41°F | 66°F 2023 | 30°F 1998 | 34% |
| Dec 7 | 56°F | 41°F | 70°F 2000 | 30°F 1998 | 35% |
| Dec 8 | 56°F | 41°F | 70°F 2020 | 24°F 2009 | 35% |
| Dec 9 | 55°F | 41°F | 68°F 2006 | 25°F 2009 | 35% |
| Dec 10 | 55°F | 41°F | 69°F 2020 | 31°F 2009 | 35% |
| Dec 11 | 55°F | 41°F | 65°F 2004 | 32°F 1999 | 35% |
| Dec 12 | 55°F | 40°F | 62°F 2004 | 34°F 2001 | 36% |
| Dec 13 | 55°F | 40°F | 64°F 2019 | 34°F 1998 | 36% |
| Dec 14 | 54°F | 40°F | 64°F 2025 | 26°F 2013 | 36% |
| Dec 15 | 54°F | 40°F | 68°F 2025 | 29°F 2001 | 36% |
| Dec 16 | 54°F | 40°F | 63°F 2013 | 28°F 2008 | 36% |
| Dec 17 | 54°F | 40°F | 68°F 2023 | 26°F 2008 | 36% |
| Dec 18 | 54°F | 40°F | 69°F 2013 | 23°F 2006 | 36% |
| Dec 19 | 54°F | 40°F | 64°F 2003 | 22°F 2006 | 36% |
| Dec 20 | 54°F | 40°F | 67°F 2004 | 20°F 1998 | 36% |
| Dec 21 | 54°F | 40°F | 66°F 2005 | 23°F 1968 | 36% |
| Dec 22 | 54°F | 40°F | 64°F 2019 | 21°F 1998 | 36% |
| Dec 23 | 54°F | 40°F | 64°F 2023 | 29°F 1998 | 36% |
| Dec 24 | 54°F | 40°F | 64°F 2005 | 27°F 2006 | 36% |
| Dec 25 | 54°F | 40°F | 67°F 2005 | 31°F 2006 | 36% |
| Dec 26 | 53°F | 40°F | 67°F 2013 | 27°F 2008 | 36% |
| Dec 27 | 53°F | 40°F | 68°F 2013 | 26°F 2008 | 36% |
| Dec 28 | 53°F | 40°F | 66°F 1999 | 29°F 2008 | 36% |
| Dec 29 | 53°F | 40°F | 62°F 1999 | 29°F 2016 | 36% |
| Dec 30 | 53°F | 40°F | 67°F 2016 | 26°F 2014 | 36% |
| Dec 31 | 54°F | 40°F | 66°F 2013 | 29°F 2006 | 36% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PST).
- December 1
- sunrise 7:02 AM, sunset 4:43 PM
- December 31
- sunrise 7:21 AM, sunset 4:53 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00041428 (Camp Pardee), public domain. Records: NOAA GHCN-Daily, station USC00048713, 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.