Antioch weather in January: Antioch, California: normal highs, lows, rain and records for January
Antioch in January has a normal high of 56°F and a normal low of 40°F, a daily mean of 48°F, rising from 55°F on the 1st to 58°F by the 31st. Measurable precipitation falls on 11 days in a normal January, 2.68 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 13°C and low of 5°C, 68 mm of precipitation in January.
- NOAA stationAntioch Pumping Plant #3
- Station IDUSC00040232
- Location37.98°N 121.75°W
- Elevation60 ft (18 m)
- From the center2 miles
- Population118,453
- Jan 56° 40°
- Feb 61° 44°
- Mar 67° 47°
- Apr 72° 50°
- May 79° 54°
- Jun 86° 59°
- Jul 91° 61°
- Aug 90° 60°
- Sep 87° 59°
- Oct 78° 54°
- Nov 65° 46°
- Dec 56° 40°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Antioch in January?
The normal high is 56°F and the normal low 40°F, for a daily mean of 48.0°F. January is 0.1°F cooler than December and 4.3°F cooler than February. January is the 12th warmest month of the year in Antioch and the wettest. Across the month the normal high rises 3°F, from 55°F on January 1 to 58°F on January 31. From one year to the next January's mean temperature typically moves about 2.4°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 46°F and 50°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 35%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| January 1 | 55°F | 40°F | 32% | 19% |
| January 8 | 55°F | 40°F | 33% | 19% |
| January 15 | 55°F | 40°F | 34% | 20% |
| January 22 | 56°F | 41°F | 35% | 21% |
| January 31 | 58°F | 42°F | 34% | 21% |
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 31, coldest night January 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| January 1 | 55°F | 40°F | 32% | 19% | 9 h 30 min |
| January 2 | 55°F | 40°F | 32% | 19% | 9 h 40 min |
| January 3 | 55°F | 40°F | 32% | 19% | 9 h 40 min |
| January 4 | 55°F | 40°F | 32% | 19% | 9 h 40 min |
| January 5 | 55°F | 40°F | 33% | 19% | 9 h 40 min |
| January 6 | 55°F | 40°F | 33% | 19% | 9 h 40 min |
| January 7 | 55°F | 40°F | 33% | 19% | 9 h 40 min |
| January 8 | 55°F | 40°F | 33% | 19% | 9 h 40 min |
| January 9 | 55°F | 40°F | 33% | 19% | 9 h 40 min |
| January 10 | 55°F | 40°F | 34% | 19% | 9 h 40 min |
| January 11 | 55°F | 40°F | 34% | 20% | 9 h 40 min |
| January 12 | 55°F | 40°F | 34% | 20% | 9 h 40 min |
| January 13 | 55°F | 40°F | 34% | 20% | 9 h 50 min |
| January 14 | 55°F | 40°F | 34% | 20% | 9 h 50 min |
| January 15 | 55°F | 40°F | 34% | 20% | 9 h 50 min |
| January 16 | 56°F | 40°F | 35% | 20% | 9 h 50 min |
| January 17 | 56°F | 40°F | 35% | 20% | 9 h 50 min |
| January 18 | 56°F | 40°F | 35% | 20% | 9 h 50 min |
| January 19 | 56°F | 40°F | 35% | 21% | 9 h 50 min |
| January 20 | 56°F | 41°F | 35% | 21% | 10 h |
| January 21 | 56°F | 41°F | 35% | 21% | 10 h |
| January 22 | 56°F | 41°F | 35% | 21% | 10 h |
| January 23 | 56°F | 41°F | 35% | 21% | 10 h |
| January 24 | 57°F | 41°F | 35% | 21% | 10 h |
| January 25 | 57°F | 41°F | 35% | 21% | 10 h |
| January 26 | 57°F | 41°F | 34% | 21% | 10 h 10 min |
| January 27 | 57°F | 41°F | 34% | 21% | 10 h 10 min |
| January 28 | 57°F | 41°F | 34% | 21% | 10 h 10 min |
| January 29 | 57°F | 42°F | 34% | 21% | 10 h 10 min |
| January 30 | 58°F | 42°F | 34% | 21% | 10 h 10 min |
| January 31 | 58°F | 42°F | 34% | 21% | 10 h 10 min |
- Normal high
- 56°FJanuary average
- Normal low
- 40°FJanuary average
- Precipitation
- 2.68 inmonth total
- Days with precipitation
- 110.01 inch or more
- Nights at 32°F or colder
- 4
- Daylight
- 9 h 30 min to 10 h 10 minJanuary 1 to January 31
- Days at 70°F or more
- 1
- Sunshine
- 74%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00040232; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Antioch in January?
On a given January day the chance of 0.01 inch or more is 34% on average, highest around January 21 (35%). In all, 2.68 in falls on 11 days of a normal January, 1 of them with an inch or more.
In a normal January in Antioch, 4 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00040232.
What are the records for January in Antioch?
The warmest January temperature on this station's record (since 1955) is 79°F, on January 26, 2012; the coldest is 20°F, on January 24, 1962. The wettest January brought 6.97 in (1993).
The January mean against the 1991-2020 normal of 48.0°F: 2021 51.3°F (+3.3). 1 of 1 ran warmer than normal.
| January | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 51.3°F | +3.3°F | 1.35 in |
Source: records: ACIS, station USC00040232; recent months: ACIS, station USC00040232. Records and recent months use complete months only.
How does January in Antioch compare across California?
Across the 219 places PlainClimate covers in California, January normal highs run from 37°F in Tahoma to 72°F in Brawley; Antioch's is 56°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.