Climateby Month

Lancaster, CA climate by month

NOAA 1991-2020 normals · 2,352 ft elevation

Summers in Lancaster are very hot; winters are cool. Highs peak at 98°F in August and fall to 58°F in December. The wettest month is February (about 5 wet days) and the driest is June (about 0). Snow is rare. The most comfortable time to visit is March and April.

Warmest month
98°F
August normal high
Coldest month
30°F
December normal low
Wet days a year
28
6.8 in of precipitation
Muggy days a year
0
dew point 65°F or higher

How warm is Lancaster?

Normal highs range from 58°F in December to 98°F in August.

20°40°60°80°100° January: normal high 59°F (15°C), low 31°F (-1°C) February: normal high 62°F (17°C), low 35°F (2°C) March: normal high 67°F (19°C), low 40°F (4°C) April: normal high 73°F (23°C), low 45°F (7°C) May: normal high 82°F (28°C), low 53°F (12°C) June: normal high 91°F (33°C), low 62°F (17°C) July: normal high 98°F (37°C), low 67°F (19°C) 98° 67° August: normal high 98°F (37°C), low 65°F (18°C) September: normal high 91°F (33°C), low 57°F (14°C) October: normal high 80°F (27°C), low 46°F (8°C) November: normal high 67°F (19°C), low 35°F (2°C) December: normal high 58°F (14°C), low 30°F (-1°C) 58° 30° JFMAMJJASOND

Bars run from the normal low to the normal high for each month.

How rainy is Lancaster?

February has the most wet days (about 5); the year brings about 6.8 in of precipitation.

January: 5 wet days February: 5 wet days 5 March: 4 wet days April: 2 wet days May: 1 wet days June: 0 wet days 0 July: 1 wet days August: 0 wet days September: 1 wet days October: 2 wet days November: 2 wet days December: 4 wet days JFMAMJJASOND

Wet day: at least 0.01 in of rain or melted snow, counted from daily records 1991-2020.

How humid is Lancaster?

Muggy days (dew point 65°F or higher) are rare in any month.

January: 0 muggy days 0 February: 0 muggy days March: 0 muggy days April: 0 muggy days May: 0 muggy days June: 0 muggy days July: 0 muggy days August: 0 muggy days September: 0 muggy days October: 0 muggy days November: 0 muggy days December: 0 muggy days JFMAMJJASOND

Muggy day: daily mean dew point of 65°F or higher, from hourly observations 1991-2020 at General William J. Fox Airfield Airport, 5.2 mi NW of the city center.

How much daylight?

Daylight ranges from about 9.9 hours in December to 14.4 hours in June.

January: 10.1 hours of daylight February: 10.9 hours of daylight March: 12.0 hours of daylight April: 13.1 hours of daylight May: 14.0 hours of daylight June: 14.4 hours of daylight 14.4 July: 14.2 hours of daylight August: 13.4 hours of daylight September: 12.4 hours of daylight October: 11.3 hours of daylight November: 10.4 hours of daylight December: 9.9 hours of daylight 9.9 JFMAMJJASOND
See all numbers
Monthly climate normals and day counts for Lancaster, 1991-2020
MonthHighLowPrecip.Wet daysMuggy daysDaylight
January 59°F31°F 1.5 in5 0 10.1 h
February 62°F35°F 1.8 in5 0 10.9 h
March 67°F40°F 1.0 in4 0 12.0 h
April 73°F45°F 0.4 in2 0 13.1 h
May 82°F53°F 0.1 in1 0 14.0 h
June 91°F62°F 0.05 in0 0 14.4 h
July 98°F67°F 0.1 in1 0 14.2 h
August 98°F65°F 0.01 in0 0 13.4 h
September 91°F57°F 0.1 in1 0 12.4 h
October 80°F46°F 0.3 in2 0 11.3 h
November 67°F35°F 0.4 in2 0 10.4 h
December 58°F30°F 1.1 in4 0 9.9 h

High and low: NOAA 1991-2020 normal daily high and low. Wet days: at least 0.01 in of rain or melted snow. Muggy days: daily mean dew point 65°F or higher.

Best months to visit Lancaster

By our comfort score, the best months are March and April.

Comfort score by month (0-100) and its parts, in days per month
MonthScoreComfortableNotable rainHot or cold
Jan 56830
Feb 611030
Mar 721720
Apr 751611
May 671107
Jun 524019
Jul 400028
Aug 380029
Sep 443020
Oct 641315
Nov 691610
Dec 52620

Score = 40 × share of comfortable days + 25 × share of days without notable rain + 20 × share of days neither hot (90°F+) nor cold (high 40°F or below) + 15 × daylight. How the score works.

Frost dates in Lancaster

The last spring frost typically comes around Apr 3, and the first fall frost around Nov 1, leaving 211 frost-free days in a typical year.

Frost and freeze dates for Lancaster
Typical date1 year in 10
Last spring frost (32°F)Apr 3after Apr 23
First fall frost (32°F)Nov 1before Oct 17
Last hard freeze (28°F)Mar 8after Apr 7
First hard freeze (28°F)Nov 10before Oct 28
Frost-free season211 daysunder 185 days

"Typical" is the date with a 50% chance of a later spring frost (or earlier fall frost). Planting after the "1 year in 10" spring date gives a 90% chance of no further frost. The Old Farmer's Almanac publishes 30% dates, which fall between our typical and 1-in-10 dates.

Station: Lancaster Wm J Fox Fld (USW00003159), NOAA 1991-2020 freeze probabilities. Frost dates for every city in California.

Hottest and coldest readings, 1991-2020

The highest reading was 115°F (June 30, 2013); the lowest was 3°F (January 14, 2007).

From the temperature station's daily records with NOAA quality flags removed. Not an all-time record.

Near Lancaster

Similar climates elsewhere

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.

Distances from the city center (USGS). Methodology · Report an error