Stockton weather in January: Stockton, California: normal highs, lows, rain and records for January
Stockton in January has a normal high of 57°F and a normal low of 39°F, a daily mean of 48°F, rising from 56°F on the 1st to 59°F by the 31st. Measurable precipitation falls on 10 days in a normal January, 2.67 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 14°C and low of 4°C, 68 mm of precipitation in January.
- NOAA stationStockton Metro Airport
- Station IDUSW00023237
- Location37.89°N 121.23°W
- Elevation26 ft (8 m)
- From the center8 miles
- Population324,975
- Jan 57° 39°
- Feb 63° 41°
- Mar 69° 44°
- Apr 75° 47°
- May 83° 53°
- Jun 90° 58°
- Jul 95° 61°
- Aug 94° 60°
- Sep 90° 58°
- Oct 80° 51°
- Nov 67° 43°
- Dec 57° 38°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Stockton in January?
The normal high is 57°F and the normal low 39°F, for a daily mean of 48.0°F. January is 0.3°F warmer than December and 4.1°F cooler than February. January is the 11th warmest month of the year in Stockton and the wettest. Across the month the normal high rises 3°F, from 56°F on January 1 to 59°F on January 31. From one year to the next January's mean temperature typically moves about 2.5°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 46°F and 51°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 32%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| January 1 | 56°F | 38°F | 30% | 18% |
| January 8 | 56°F | 39°F | 30% | 18% |
| January 15 | 57°F | 39°F | 31% | 19% |
| January 22 | 58°F | 40°F | 32% | 19% |
| January 31 | 59°F | 40°F | 32% | 19% |
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 | 56°F | 38°F | 30% | 18% | 9 h 30 min |
| January 2 | 56°F | 38°F | 30% | 19% | 9 h 40 min |
| January 3 | 56°F | 38°F | 30% | 19% | 9 h 40 min |
| January 4 | 56°F | 38°F | 30% | 19% | 9 h 40 min |
| January 5 | 56°F | 38°F | 30% | 18% | 9 h 40 min |
| January 6 | 56°F | 39°F | 30% | 18% | 9 h 40 min |
| January 7 | 56°F | 39°F | 30% | 18% | 9 h 40 min |
| January 8 | 56°F | 39°F | 30% | 18% | 9 h 40 min |
| January 9 | 56°F | 39°F | 30% | 18% | 9 h 40 min |
| January 10 | 56°F | 39°F | 30% | 18% | 9 h 40 min |
| January 11 | 56°F | 39°F | 30% | 18% | 9 h 40 min |
| January 12 | 56°F | 39°F | 30% | 18% | 9 h 40 min |
| January 13 | 56°F | 39°F | 30% | 18% | 9 h 50 min |
| January 14 | 57°F | 39°F | 31% | 19% | 9 h 50 min |
| January 15 | 57°F | 39°F | 31% | 19% | 9 h 50 min |
| January 16 | 57°F | 39°F | 31% | 19% | 9 h 50 min |
| January 17 | 57°F | 39°F | 31% | 19% | 9 h 50 min |
| January 18 | 57°F | 39°F | 31% | 19% | 9 h 50 min |
| January 19 | 57°F | 39°F | 31% | 19% | 9 h 50 min |
| January 20 | 57°F | 39°F | 31% | 19% | 10 h |
| January 21 | 57°F | 39°F | 31% | 19% | 10 h |
| January 22 | 58°F | 40°F | 32% | 19% | 10 h |
| January 23 | 58°F | 40°F | 32% | 19% | 10 h |
| January 24 | 58°F | 40°F | 32% | 19% | 10 h |
| January 25 | 58°F | 40°F | 32% | 19% | 10 h |
| January 26 | 58°F | 40°F | 32% | 19% | 10 h 10 min |
| January 27 | 59°F | 40°F | 32% | 19% | 10 h 10 min |
| January 28 | 59°F | 40°F | 32% | 19% | 10 h 10 min |
| January 29 | 59°F | 40°F | 32% | 19% | 10 h 10 min |
| January 30 | 59°F | 40°F | 32% | 19% | 10 h 10 min |
| January 31 | 59°F | 40°F | 32% | 19% | 10 h 10 min |
- Normal high
- 57°FJanuary average
- Normal low
- 39°FJanuary average
- Precipitation
- 2.67 inmonth total
- Days with precipitation
- 100.01 inch or more
- Nights at 32°F or colder
- 7
- Daylight
- 9 h 30 min to 10 h 10 minJanuary 1 to January 31
- Sunshine
- 74%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00023237; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Stockton in January?
On a given January day the chance of 0.01 inch or more is 31% on average, highest around January 22 (32%). In all, 2.67 in falls on 10 days of a normal January.
In a normal January in Stockton, 7 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023237.
How humid and windy is Stockton in January?
At 3 p.m. the normal temperature is 58°F with 59% relative humidity and a dew point of 44°F; at 6 a.m. it is 42°F with 92% humidity. The wind averages 6.4 mph, most often from the west-southwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 42°F | 40°F | 92% | 5.4 mph | – |
| 9 a.m. | 46°F | 42°F | 88% | 6.3 mph | – |
| noon | 54°F | 45°F | 69% | 7.6 mph | 55% |
| 3 p.m. | 58°F | 44°F | 59% | 7.6 mph | 63% |
| 6 p.m. | 53°F | 44°F | 71% | 6.6 mph | 67% |
| 9 p.m. | 48°F | 43°F | 83% | 6.0 mph | 70% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00023237. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for January in Stockton?
The warmest January temperature on Stockton's official record (since 1893) is 78°F, on January 18, 2021; the coldest is 16°F, on January 11, 1949. The wettest January brought 11.32 in (1911); the snowiest, 3.0 inches (1916).
The January mean against the 1991-2020 normal of 48.0°F: 2021 50.6°F (+2.6), 2022 48.7°F (+0.7), 2023 49.5°F (+1.5), 2024 51.8°F (+3.8), 2025 47.2°F (−0.8), 2026 49.0°F (+1.0). 5 of 6 ran warmer than normal.
| January | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 50.6°F | +2.6°F | 3.97 in |
| 2022 | 48.7°F | +0.7°F | 0.00 in |
| 2023 | 49.5°F | +1.5°F | 5.76 in |
| 2024 | 51.8°F | +3.8°F | 3.96 in |
| 2025 | 47.2°F | −0.8°F | 0.31 in |
| 2026 | 49.0°F | +1.0°F | 1.49 in |
Source: records: ACIS, NWS threaded record SCKthr; recent months: ACIS, station USW00023237. Records and recent months use complete months only.
How does January in Stockton 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; Stockton's is 57°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.