Sacramento weather in January: Sacramento, California: normal highs, lows, rain and records for January

Sacramento in January has a normal high of 56°F and a normal low of 39°F, a daily mean of 48°F, rising from 55°F on the 1st to 58°F by the 31st. Measurable precipitation falls on 10 days in a normal January, 3.66 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 13°C and low of 4°C, 93 mm of precipitation in January.

  • NOAA stationSacramento Airport Asos
  • Station IDUSW00023232
  • Location38.51°N 121.50°W
  • Elevation15 ft (5 m)
  • From the center4 miles
  • Population535,798
  1. Jan 56° 39°
  2. Feb 61° 42°
  3. Mar 66° 45°
  4. Apr 72° 47°
  5. May 80° 52°
  6. Jun 88° 57°
  7. Jul 93° 59°
  8. Aug 92° 59°
  9. Sep 89° 57°
  10. Oct 79° 50°
  11. Nov 65° 43°
  12. Dec 56° 39°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Sacramento in January?

The normal high is 56°F and the normal low 39°F, for a daily mean of 47.6°F. January is 0.3°F warmer than December and 3.8°F cooler than February. January is the 11th warmest month of the year in Sacramento 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 2.3°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 45°F and 50°F.

Sacramento in January, day by day: normal high and low

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%).

Normal high and low on five days of January, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
January 155°F38°F31%21%
January 855°F39°F32%21%
January 1556°F39°F32%21%
January 2257°F40°F32%22%
January 3158°F40°F32%22%
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 31, coldest night January 1)
Sacramento: NOAA 1991-2020 daily normals for each day of January
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
January 155°F38°F31%21%9 h 30 min
January 255°F38°F31%21%9 h 30 min
January 355°F39°F31%21%9 h 30 min
January 455°F39°F31%21%9 h 30 min
January 555°F39°F31%21%9 h 30 min
January 655°F39°F31%21%9 h 40 min
January 755°F39°F31%21%9 h 40 min
January 855°F39°F32%21%9 h 40 min
January 955°F39°F32%21%9 h 40 min
January 1055°F39°F32%21%9 h 40 min
January 1155°F39°F32%21%9 h 40 min
January 1255°F39°F32%21%9 h 40 min
January 1355°F39°F32%21%9 h 40 min
January 1456°F39°F32%21%9 h 40 min
January 1556°F39°F32%21%9 h 50 min
January 1656°F39°F32%21%9 h 50 min
January 1756°F39°F32%21%9 h 50 min
January 1856°F39°F32%21%9 h 50 min
January 1956°F39°F32%21%9 h 50 min
January 2056°F39°F32%21%9 h 50 min
January 2156°F40°F32%22%9 h 50 min
January 2257°F40°F32%22%10 h
January 2357°F40°F32%22%10 h
January 2457°F40°F32%22%10 h
January 2557°F40°F32%22%10 h
January 2657°F40°F32%22%10 h
January 2757°F40°F32%22%10 h
January 2858°F40°F32%22%10 h 10 min
January 2958°F40°F32%22%10 h 10 min
January 3058°F40°F32%22%10 h 10 min
January 3158°F40°F32%22%10 h 10 min
Normal high
56°FJanuary average
Normal low
39°FJanuary average
Precipitation
3.66 inmonth total
Days with precipitation
100.01 inch or more
Nights at 32°F or colder
5
Daylight
9 h 30 min to 10 h 10 minJanuary 1 to January 31
Sunshine
70%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00023232; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Sacramento in January?

On a given January day the chance of 0.01 inch or more is 32% on average, highest around January 21 (32%). In all, 3.66 in falls on 10 days of a normal January, 1 of them with an inch or more.

In a normal January in Sacramento, 5 nights fall to freezing.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023232.

How humid and windy is Sacramento in January?

At 3 p.m. the normal temperature is 58°F with 59% relative humidity and a dew point of 43°F; at 6 a.m. it is 43°F with 90% humidity. The wind averages 5.1 mph, most often from the west in the afternoon. A dew point under 50°F feels dry.

A normal January day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.43°F40°F90%4.2 mph58%
9 a.m.46°F42°F86%5.2 mph55%
noon54°F44°F68%6.7 mph59%
3 p.m.58°F43°F59%6.9 mph61%
6 p.m.53°F44°F70%4.7 mph67%
9 p.m.48°F43°F83%4.3 mph68%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00023232. 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 Sacramento?

The warmest January temperature on Sacramento's official record (since 1877) is 76°F, on January 24, 2014; the coldest is 19°F, on January 15, 1888. The wettest January brought 15.04 in (1862).

The January mean against the 1991-2020 normal of 47.6°F: 2021 48.8°F (+1.2), 2022 48.1°F (+0.5), 2023 49.2°F (+1.6), 2024 50.9°F (+3.3), 2025 47.9°F (+0.3), 2026 49.1°F (+1.5). 6 of 6 ran warmer than normal.

Sacramento: January in recent years against the 1991-2020 normal
JanuaryMeanAgainst normalPrecip.
202148.8°F+1.2°F2.50 in
202248.1°F+0.5°F0.05 in
202349.2°F+1.6°F5.12 in
202450.9°F+3.3°F3.53 in
202547.9°F+0.3°F0.45 in
202649.1°F+1.5°F2.40 in

Source: records: ACIS, NWS threaded record SACthr; recent months: ACIS, station USW00023232. Records and recent months use complete months only.

How does January in Sacramento 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; Sacramento's is 56°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places