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Downtown Lancaster 3 Wiki (1 of 1)Photo: Renelibrary · CC BY-SA 4.0
Climate in Lancaster · NOAA 1991–2020 normals

Lancaster reaches 100° on about 22 days a year, more than 96% of U.S. towns

A typical July afternoon reaches 95°, a January night drops to 37°, and snow is almost unheard of.

Hotter July afternoons than 96% of U.S. towns#238Hottest summers  of 632 in TX
Milder January nights than 84% of U.S. towns#337Mildest winters  of 632 in TX
All TX rankings →

A year in Lancaster at a glance

Each month’s typical high and low, and what it brings.

Jan57°37°
Feb61°40°
Mar68°48° Last frost ~Mar 12
Apr76°55° 1 day 90°+
May83°64° 6 days 90°+
Jun91°71° 22 days 90°+
Jul95°75° 29 days 90°+
Aug96°74° 27 days 90°+
Sep89°67° 17 days 90°+
Oct79°56° 4 days 90°+Wettest
Nov now67°46° First frost ~Nov 19
Dec59°38°

What stands out about Lancaster’s climate

Compared with towns across the U.S., with Lancaster’s place in Texas beside it.

A normal year

What a year in Lancaster feels like

Typical highs and lows by season and by month, from NOAA’s 30-year normals.

Winter
59° / 38°
Snow is rare
Spring
76° / 55°
Last frost around Mar 12
Summer
94° / 73°
22 days reach 100°
Fall
78° / 57°
First frost around Nov 19
Best months to be outsideMarAprMayOctNovHighs of 62–84° and lows of 40° or more
Frost, heat & the growing season

About 253 frost-free days a year

In half of years the last 32° night comes by March 12 and the first by November 19. Frost and day counts come from NOAA’s station at Ferris, TX, 8 miles from the town’s center, at about the same height.

40
nights at or below 32° in a normal year
415th fewest of 630 in Texas
Fewer freezing nights than 82% of U.S. towns
0
nights at or below 0°
None in a normal year
106
days that reach 90°
293rd most of 630 in Texas
More 90° days than 94% of U.S. towns
22
days that reach 100°
156th most of 630 in Texas
More 100° days than 96% of U.S. towns
8bUSDA zone
Plant hardiness zone 8b

The 2023 USDA map puts Lancaster’s center in zone 8b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 18°. Plant labels use the zone; frost dates tell you when to plant.

Freezing nights by month

Average nights at or below 32°

13
JFMAMJJASOND

90° days by month

Average days at 90° or more

29
JFMAMJJASOND
Rain & snow

About 40 inches of rain a year

October is the wettest month and July the driest. Rain falls on about 78 days a year. Snow is rare: about 0.0" in a normal year at Waxahachie, TX, so most winters see none.

40"
Rain + melted snow a year
394th driest of 632 in Texas
Drier than 61% of U.S. towns
0.0"
Snow in a normal winter
Less snow than 93% of U.S. towns

Rain + melted snow by month

Inches of water

4.7"
JFMAMJJASOND
Heating & cooling

Heating and cooling a home in Lancaster

46% of the work is heating, so air conditioning is the bigger bill. Months averaging under 55° run from December through February.

2,285 heating degree daysLess heating than 85% of U.S. towns
2,685 cooling degree daysMore cooling than 91% of U.S. towns

Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Ferris, TX.

Living here

Living with Lancaster’s climate

What the numbers mean for a garden, a free afternoon and a bad-weather day.

The garden window

253 frost-free days in zone 8b. The last frost comes by Mar 12 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Nov 19.

Get outside

Months with highs of 62–84° and lows of 40° or more: March, April, May, October and November. 7.7 miles of trails are waiting.

Parks & trails →
Storms and extremes

Heat waves are 33% of the yearly building losses FEMA expects in Lancaster from natural hazards, the largest share. Normals are averages; the hazards page covers the extremes.

Natural hazards →
Next door

Lancaster and its neighbors

Every town next door is within a degree of Lancaster in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.

Ferris: January low 36°, July high 96°Rowlett: January low 35°, July high 95°Garland: January low 36°, July high 95°Rockwall: January low 35°, July high 94°Irving: January low 36°, July high 96°Cedar Hill: January low 37°, July high 95°Grand Prairie: January low 36°, July high 96°Carrollton: January low 35°, July high 96°Mesquite: January low 36°, July high 95°Coppell: January low 35°, July high 96°Heath: January low 35°, July high 95°Farmers Branch: January low 36°, July high 96°Addison: January low 36°, July high 95°Duncanville: January low 37°, July high 95°Glenn Heights: January low 37°, July high 95°Waxahachie: January low 36°, July high 95°Oak Leaf: January low 37°, July high 95°Pecan Hill: January low 36°, July high 95°Wilmer: January low 36°, July high 96°Dallas: January low 36°, July high 95°Hutchins: January low 36°, July high 95°DeSoto: January low 37°, July high 95°Red Oak: January low 36°, July high 95°Lancaster: January low 37°, July high 95°LancasterWilmerDallasHutchinsDeSotoRed Oak
ColderMilder35° to 37°
Dallas36.1° about the same
Wilmer36.3° about the same
Hutchins36.3° about the same
Red Oak36.4° about the same
Lancaster36.5°
DeSoto36.7° about the same

Climates most like Lancaster’s, farther away

TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.

TownJan. lowJuly highPrecip.Snow
Lancaster, TX37°95°40"0.0"
Clearlake, CA35°93°40"0.4"
Dublin, GA37°93°47"0.0"
Cayce, SC35°93°46"1.2"
Tecumseh, OK28°93°40"1.4"

Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.

Then and now

Warmer than it used to be

The last 30 years in Lancaster averaged 0.6° warmer than the 1900s. The biggest change is in January (+1.7°).

+0.6°1991–2020 vs. 1901–2000

A smaller shift than in 95% of U.S. towns.

Winter+1.4°now 49°, was 47°
Spring+0.6°now 66°, was 65°
Summer+0.2°now 84°, was 84°
Fall+0.3°now 67°, was 67°

Change by month

JanFebMarAprMayJunJulAugSepOctNovDec

The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.

Compared with other towns

How Lancaster compares

Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Lancaster’s place among Texas’.

Summer heat95° July high
Hotter July afternoons than 96% of U.S. towns238th hottest of 632 in Texas
Winter cold37° January low
Milder January nights than 84% of U.S. towns337th mildest of 632 in Texas
Precipitation40" a year
Drier than 61% of U.S. towns394th driest of 632 in Texas
Snow0.0" a winter
Less snow than 93% of U.S. townsNot ranked: under an inch a year
Hot days106 days at 90°+
More 90° days than 94% of U.S. towns293rd most of 630 in Texas
Freezing nights40 a year
Fewer freezing nights than 82% of U.S. towns415th fewest of 630 in Texas
Growing season253 frost-free days
A longer frost-free season than 91% of U.S. towns267th longest of 552 in Texas
Month by month

Lancaster weather by month

Highs, lows and precipitation from NOAA’s grid at Lancaster’s center; snow, wet days and snow on the ground from Waxahachie, TX. 1991–2020 normals.

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January57°37°2.6"0.0"7042° – 55°
February61°40°2.9"0.0"7042° – 59°
March68°48°3.6"0.0"8052° – 65°
April76°55°3.7"0.0"6061° – 71°
May83°64°4.7"0.0"8070° – 79°
June91°71°4.0"0.0"6078° – 86°
July95°75°2.1"0.0"5081° – 91°
August96°74°2.4"0.0"5079° – 93°
September89°67°3.1"0.0"6074° – 85°
October79°56°4.7"0.0"7062° – 72°
November67°46°3.0"0.0"7051° – 62°
December59°38°3.2"0.0"7040° – 53°
Year77°56°39.9"0.0"780
Year to year

How much a month can swing

A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 42° to 59°. June is the most reliable, staying within 8°.

Coldest to warmest month in 30 yearsNormal
Sources

Where Lancaster’s numbers come from

Normals are 30-year averages, not a forecast. How TownRatings reads climate data →

  • Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Lancaster’s center.
  • Snow: Waxahachie, TX.
  • Frost, freezing nights, 90° and 100° days, heating and cooling: Ferris, TX, 8 miles from the town’s center, at about the same height; the nearest station that passes our checks for distance, height and agreement with the grid.
  • Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
  • Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
  • Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).

Common questions about Lancaster’s climate

What is the weather like in Lancaster?

A typical July afternoon reaches 95°, a January night drops to 37°, and snow is almost unheard of. Milder January nights than 84% of U.S. towns; hotter July afternoons than 96% of U.S. towns.

How cold does it get in Lancaster in winter?

January nights average 37°. About 40 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 42°.

How much snow does Lancaster get?

About 0.0 inches in a normal winter at Waxahachie, TX, so most winters see none.

How hot does it get in Lancaster?

July, with a typical high of 95° and a low of 75°. About 106 days a year reach 90° and 22 reach 100° (Ferris, TX).

When is the first and last frost in Lancaster?

In half of years the last spring frost (32°) comes by March 12 and the first fall frost by November 19, about 253 frost-free days, at Ferris, TX.

What growing zone is Lancaster in?

Zone 8b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 18°.

What is the best time of year to visit Lancaster?

By one simple rule (highs of 62–84° and lows of 40° or more), March, April, May, October and November. The rule is ours, not NOAA’s; the month table has the numbers to judge by.

Is Lancaster getting warmer?

Yes: 1991–2020 averaged 0.6° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 95% of U.S. towns.

Neighbors talk weather

Gardens, snow, and the best days of the year in Lancaster.

Town Square →
Ask your neighbors

Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.