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Caldwell County Courthouse 2018aPhoto: Antony-22 · CC BY-SA 4.0
Climate in Lockhart · NOAA 1991–2020 normals

Lockhart reaches 100° on about 24 days a year, more than 97% of U.S. towns

A typical July afternoon reaches 96°, a January night drops to 40°, and snow is almost unheard of.

Hotter July afternoons than 96% of U.S. towns#163Hottest summers  of 632 in TX
Milder January nights than 89% of U.S. towns#237Mildest winters  of 632 in TX
All TX rankings →

A year in Lockhart at a glance

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

Jan63°40°
Feb67°44°
Mar73°51° Last frost ~Mar 5
Apr80°57° 2 days 90°+
May87°65° 9 days 90°+Wettest
Jun93°71° 23 days 90°+
Jul96°73° 28 days 90°+
Aug97°73° 29 days 90°+
Sep91°68° 19 days 90°+
Oct82°58° 7 days 90°+
Nov now72°49° First frost ~Nov 23
Dec64°41°

What stands out about Lockhart’s climate

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

A normal year

What a year in Lockhart feels like

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

Winter
64° / 42°
Snow is rare
Spring
80° / 58°
Last frost around Mar 5
Summer
95° / 73°
24 days reach 100°
Fall
82° / 58°
First frost around Nov 23
Best months to be outsideFebMarAprOctNovDecHighs of 62–84° and lows of 40° or more
Frost, heat & the growing season

About 263 frost-free days a year

In half of years the last 32° night comes by March 5 and the first by November 23. Frost and day counts come from NOAA’s station at Luling, TX, 14 miles from the town’s center, 130 ft lower.

29
nights at or below 32° in a normal year
291st fewest of 630 in Texas
Fewer freezing nights than 85% of U.S. towns
0
nights at or below 0°
None in a normal year
118
days that reach 90°
134th most of 630 in Texas
More 90° days than 97% of U.S. towns
24
days that reach 100°
124th most of 630 in Texas
More 100° days than 97% of U.S. towns
9aUSDA zone
Plant hardiness zone 9a

The 2023 USDA map puts Lockhart’s center in zone 9a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 21°. Plant labels use the zone; frost dates tell you when to plant.

Freezing nights by month

Average nights at or below 32°

9
JFMAMJJASOND

90° days by month

Average days at 90° or more

29
JFMAMJJASOND
Rain & snow

About 35 inches of rain a year

May is the wettest month and July the driest. Rain falls on about 45 days a year. Snow is rare: about 0.1" in a normal year at Lockhart 2sw, TX, so most winters see none.

35"
Rain + melted snow a year
258th driest of 632 in Texas
Drier than 76% of U.S. towns
0.1"
Snow in a normal winter
Less snow than 85% of U.S. towns

Rain + melted snow by month

Inches of water

4.3"
JFMAMJJASOND
Heating & cooling

Heating and cooling a home in Lockhart

33% of the work is heating, so air conditioning is the bigger bill. Months averaging under 55°: December and January.

1,547 heating degree daysLess heating than 90% of U.S. towns
3,192 cooling degree daysMore cooling than 94% 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 Luling, TX.

Living here

Living with Lockhart’s climate

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

The garden window

263 frost-free days in zone 9a. The last frost comes by Mar 5 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 23.

Get outside

Months with highs of 62–84° and lows of 40° or more: February, March, April, October, November and December. 5.5 miles of trails are waiting.

Parks & trails →
Storms and extremes

Of the yearly building losses FEMA expects in Lockhart from natural hazards, river flooding is the largest share (58%); heat waves, cold waves, winter storms and ice storms together are 9%. Normals are averages; the hazards page covers the extremes.

Natural hazards →
Next door & far away

Lockhart and similar climates

TownRatings has no climate map of the towns around Lockhart yet.

Climates most like Lockhart’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
Lockhart, TX40°96°35"0.1"
Chico, CA38°96°31"0.0"
Lone Grove, OK31°94°39"2.7"
Cayce, SC35°93°46"1.2"
Vidalia, GA38°93°47"0.1"

Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.

Then and now

Warmer than it used to be

The last 30 years in Lockhart averaged 1.2° warmer than the 1900s. The biggest change is in February (+2.1°).

+1.2°1991–2020 vs. 1901–2000

A smaller shift than in 61% of U.S. towns.

Winter+1.8°now 53°, was 51°
Spring+1.3°now 69°, was 68°
Summer+0.8°now 84°, was 83°
Fall+1.0°now 70°, was 69°

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 Lockhart compares

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

Summer heat96° July high
Hotter July afternoons than 96% of U.S. towns163rd hottest of 632 in Texas
Winter cold40° January low
Milder January nights than 89% of U.S. towns237th mildest of 632 in Texas
Precipitation35" a year
Drier than 76% of U.S. towns258th driest of 632 in Texas
Snow0.1" a winter
Less snow than 85% of U.S. townsNot ranked: under an inch a year
Hot days118 days at 90°+
More 90° days than 97% of U.S. towns134th most of 630 in Texas
Freezing nights29 a year
Fewer freezing nights than 85% of U.S. towns291st fewest of 630 in Texas
Growing season263 frost-free days
A longer frost-free season than 93% of U.S. towns181st longest of 552 in Texas
Month by month

Lockhart weather by month

Highs, lows and precipitation from NOAA’s grid at Lockhart’s center; snow, wet days and snow on the ground from Lockhart 2sw, TX. 1991–2020 normals.

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January63°40°2.6"0.0"3047° – 57°
February67°44°2.0"0.0"3047° – 64°
March73°51°2.9"0.0"4055° – 68°
April80°57°2.7"0.0"4063° – 75°
May87°65°4.3"0.0"4071° – 81°
June93°71°3.3"0.0"4078° – 86°
July96°73°1.9"0.0"4080° – 87°
August97°73°2.5"0.0"3081° – 90°
September91°68°3.4"0.0"4076° – 85°
October82°58°4.2"0.0"4067° – 75°
November72°49°2.6"0.0"3054° – 66°
December64°41°2.8"0.1"4046° – 56°
Year80°58°35.3"0.1"450
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 47° to 64°. July is the most reliable, staying within 7°.

Coldest to warmest month in 30 yearsNormal
Sources

Where Lockhart’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 Lockhart’s center.
  • Snow: Lockhart 2sw, TX (NOAA station in town).
  • Frost, freezing nights, 90° and 100° days, heating and cooling: Luling, TX, 14 miles from the town’s center, 130 ft lower; 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 Lockhart’s climate

What is the weather like in Lockhart?

A typical July afternoon reaches 96°, a January night drops to 40°, and snow is almost unheard of. Milder January nights than 89% of U.S. towns; hotter July afternoons than 96% of U.S. towns.

How cold does it get in Lockhart in winter?

January nights average 40°. About 29 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 47°.

How much snow does Lockhart get?

About 0.1 inches in a normal winter at Lockhart 2sw, TX, so most winters see none.

How hot does it get in Lockhart?

July, with a typical high of 96° and a low of 73°. About 118 days a year reach 90° and 24 reach 100° (Luling, TX).

When is the first and last frost in Lockhart?

In half of years the last spring frost (32°) comes by March 5 and the first fall frost by November 23, about 263 frost-free days, at Luling, TX.

What growing zone is Lockhart in?

Zone 9a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 21°.

What is the best time of year to visit Lockhart?

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

Is Lockhart getting warmer?

Yes: 1991–2020 averaged 1.2° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 61% of U.S. towns.

Neighbors talk weather

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

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.