Climateby Month

Lancaster, CA weather in January

NOAA 1991-2020 normals and daily records · Lancaster all year

January in Lancaster: cool and mostly dry. Highs 59°F, lows 31°F, about 5 wet days. It is one of the coolest months in Lancaster.

Normal high
59°F
Normal low
31°F
Wet days
5
1.5 in total
Muggy days
0
dew point 65°F+

How January changes from start to finish

Normal values at the start and end of January
January 1January 31
Normal high57°F60°F
Normal low30°F32°F
Chance of a wet day16%16%
Sunrise / sunset6:59 am / 4:52 pm6:51 am / 5:20 pm
Daylight9.9 h10.5 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Pacific Time).

A typical January day

  1. 6 am34°Fdew point 25°F
  2. 9 am42°Fdew point 28°F
  3. Noon54°Fdew point 28°F
  4. 3 pm57°Fdew point 27°F
  5. 6 pm49°Fdew point 28°F
  6. 9 pm42°Fdew point 28°F

NOAA hourly normals (local standard time) from Lancaster Wm J Fox Fld (5 mi away); average wind 7 mph; clear or few clouds in 75% of daytime hours, mostly cloudy or overcast in 22%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F8 of 31
  • Hot dayshigh 90°F or more0 of 31
  • Muggy daysdaily mean dew point 65°F or more0 of 31
  • Wet daysat least 0.01 in of rain or melted snow5 of 31
  • Notable rainat least 0.10 in3 of 31
  • Freezing nightslow 32°F or below18 of 31

Average days per January, counted from daily records for each year 1991-2020.

Rain in January

Normal precipitation is 1.5 in; a dry January brings about 0.2 in and a wet one about 1.8 in (25th and 75th percentiles). About 1 day brings half an inch or more. Snow is very rare.

How January varies from year to year

  • Warmest January, 1991-20202003: average high 66°F
  • Coolest January1993: average high 52°F
  • Wettest January1993: 7.5 in
  • Driest January2003: no measurable precipitation
  • Highest reading78°F (January 31, 2003)
  • Lowest reading3°F (January 14, 2007)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

January compared with December and February

DecemberJanuaryFebruary
Normal high58°F59°F62°F
Normal low30°F31°F35°F
Wet days455
Comfortable days6810
Daylight9.9 h10.1 h10.9 h

Highs change by +1°F from December and +3°F into February.

Nearby alternatives in January

How Lancaster ranks in January

  • Normal high113th warmest of 378 cities; 36th of 60 in California
  • Wet days38th driest of 378
  • Comfortable days101st most of 339

What to pack for Lancaster in January

  • A warm jacket – lows near 31°F, highs near 59°F
  • Layers – afternoons near 59°F but nights near 31°F
  • A hat and gloves – about 18 freezing nights

Heating and cooling

January has 620 heating degree days and 0 cooling degree days (base 65°F), 13% of the year's total heating and cooling demand.

Questions

How cold is Lancaster in January?

The normal high is 59°F and the normal low is 31°F. From 1991 to 2020 the coldest January reading was 3°F (January 14, 2007).

Does it rain a lot in Lancaster in January?

About 5 days in January have at least 0.01 in of precipitation, and the normal total is 1.5 in. The wettest January in 1991-2020 was in 1993 (7.5 in); the driest was in 2003, with no measurable precipitation.

Does it snow in Lancaster in January?

Snow is very rare: the 1991-2020 normal for January rounds to 0.0 in.

Is January a good time to visit Lancaster?

January ranks 7th of 12 months on our comfort score for Lancaster (56 out of 100). It has about 8 comfortable days. The best months are March and April.

Where the numbers come from

  • Temperature, rain, frost dates, humidity and wind by hour and cloud cover: Lancaster Wm J Fox Fld (USW00003159), 5.2 mi NW of the city center, 2,338 ft . NOAA normals and daily records, 1991-2020.
  • Snowfall and snow depth: Palmdale (USC00046624), 8.0 mi SSE of the city center, 2,612 ft (260 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: General William J. Fox Airfield Airport (723816-03159), 5.2 mi NW of the city center, 2,338 ft . Hourly observations, 1991-2020.