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Atascosa county courthousePhoto: Larry D. Moore · CC BY 4.0
Climate in Jourdanton · NOAA 1991–2020 normals

Jourdanton reaches 100° on about 38 days a year, more than 98% of U.S. towns

A typical July afternoon reaches 97°, a January night drops to 42°, and snow is almost unheard of.

Hotter July afternoons than 97% of U.S. towns#69Hottest summers  of 632 in TX
Milder January nights than 91% of U.S. towns#174Mildest winters  of 632 in TX
All TX rankings →

A year in Jourdanton at a glance

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

Jan65°42°
Feb70°46° Last frost ~Feb 271 day 90°+
Mar76°53° 2 days 90°+
Apr83°59° 7 days 90°+
May89°67° 17 days 90°+Wettest
Jun94°72° 27 days 90°+
Jul97°74° 29 days 90°+
Aug98°74° 30 days 90°+
Sep92°69° 24 days 90°+
Oct84°60° 10 days 90°+
Nov now74°51° First frost ~Nov 28
Dec67°43°

What stands out about Jourdanton’s climate

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

A normal year

What a year in Jourdanton feels like

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

Winter
67° / 44°
Snow is rare
Spring
83° / 60°
Last frost around Feb 27
Summer
96° / 73°
38 days reach 100°
Fall
83° / 60°
First frost around Nov 28
Best months to be outsideJanFebMarAprNovDecHighs of 62–84° and lows of 40° or more
Frost, heat & the growing season

About 274 frost-free days a year

In half of years the last 32° night comes by February 27 and the first by November 28. Frost and day counts come from NOAA’s station at Pleasanton, TX, 5 miles from the town’s center, at about the same height.

19
nights at or below 32° in a normal year
222nd fewest of 630 in Texas
Fewer freezing nights than 88% of U.S. towns
0
nights at or below 0°
None in a normal year
147
days that reach 90°
56th most of 630 in Texas
More 90° days than all but 159 U.S. towns
38
days that reach 100°
32nd most of 630 in Texas
More 100° days than 98% of U.S. towns
9aUSDA zone
Plant hardiness zone 9a

The 2023 USDA map puts Jourdanton’s center in zone 9a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 23°. Plant labels use the zone; frost dates tell you when to plant.

Freezing nights by month

Average nights at or below 32°

7
JFMAMJJASOND

90° days by month

Average days at 90° or more

30
JFMAMJJASOND
Rain & snow

About 28 inches of rain a year

May is the wettest month and February the driest. Rain falls on about 70 days a year. Snow is rare: about 0.0" in a normal year at Jourdanton, TX, so most winters see none.

28"
Rain + melted snow a year
150th driest of 632 in Texas
Drier than 86% 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

3.5"
JFMAMJJASOND
Heating & cooling

Heating and cooling a home in Jourdanton

29% of the work is heating, so air conditioning is the bigger bill. Months averaging under 55° run from January.

1,372 heating degree daysLess heating than 92% of U.S. towns
3,331 cooling degree daysMore cooling than 95% 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 Pleasanton, TX.

Living here

Living with Jourdanton’s climate

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

The garden window

274 frost-free days in zone 9a. The last frost comes by Feb 27 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 28.

Get outside

Months with highs of 62–84° and lows of 40° or more: January, February, March, April, November and December. 0.9 miles of trails are waiting.

Parks & trails →
Storms and extremes

Of the yearly building losses FEMA expects in Jourdanton from natural hazards, river flooding is the largest share (37%); heat waves, cold waves, winter storms and ice storms together are 13%. Normals are averages; the hazards page covers the extremes.

Natural hazards →
Next door & far away

Jourdanton and similar climates

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

Climates most like Jourdanton’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
Jourdanton, TX42°97°28"0.0"
Durham, CA39°96°26"0.0"
Corona de Tucson, AZ36°96°14"0.1"
Lawton, OK29°96°32"1.8"
Central Point, OR32°93°22"3.4"

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 Jourdanton averaged 0.8° warmer than the 1900s. The biggest change is in February (+1.7°).

+0.8°1991–2020 vs. 1901–2000

A smaller shift than in 88% of U.S. towns.

Winter+1.4°now 56°, was 54°
Spring+1.0°now 71°, was 70°
Summer+0.4°now 85°, was 84°
Fall+0.6°now 72°, was 71°

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 Jourdanton compares

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

Summer heat97° July high
Hotter July afternoons than 97% of U.S. towns69th hottest of 632 in Texas
Winter cold42° January low
Milder January nights than 91% of U.S. towns174th mildest of 632 in Texas
Precipitation28" a year
Drier than 86% of U.S. towns150th driest of 632 in Texas
Snow0.0" a winter
Less snow than 93% of U.S. townsNot ranked: under an inch a year
Hot days147 days at 90°+
More 90° days than all but 159 U.S. towns56th most of 630 in Texas
Freezing nights19 a year
Fewer freezing nights than 88% of U.S. towns222nd fewest of 630 in Texas
Growing season274 frost-free days
A longer frost-free season than 95% of U.S. towns145th longest of 552 in Texas
Month by month

Jourdanton weather by month

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

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January65°42°1.6"0.0"7049° – 60°
February70°46°1.5"0.0"6050° – 66°
March76°53°2.1"0.0"6058° – 70°
April83°59°2.3"0.0"6066° – 77°
May89°67°3.5"0.0"6074° – 83°
June94°72°3.0"0.0"5080° – 88°
July97°74°2.3"0.0"5081° – 89°
August98°74°2.1"0.0"5082° – 89°
September92°69°3.4"0.0"6077° – 85°
October84°60°2.5"0.0"5070° – 78°
November74°51°1.8"0.0"5057° – 68°
December67°43°1.6"0.0"7048° – 58°
Year82°59°27.7"0.0"700
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 50° to 66°. August is the most reliable, staying within 7°.

Coldest to warmest month in 30 yearsNormal
Sources

Where Jourdanton’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 Jourdanton’s center.
  • Snow: Jourdanton, TX (NOAA station in town).
  • Frost, freezing nights, 90° and 100° days, heating and cooling: Pleasanton, TX, 5 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 Jourdanton’s climate

What is the weather like in Jourdanton?

A typical July afternoon reaches 97°, a January night drops to 42°, and snow is almost unheard of. Milder January nights than 91% of U.S. towns; hotter July afternoons than 97% of U.S. towns.

How cold does it get in Jourdanton in winter?

January nights average 42°. About 19 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 49°.

How much snow does Jourdanton get?

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

How hot does it get in Jourdanton?

July, with a typical high of 97° and a low of 74°. About 147 days a year reach 90° and 38 reach 100° (Pleasanton, TX).

When is the first and last frost in Jourdanton?

In half of years the last spring frost (32°) comes by February 27 and the first fall frost by November 28, about 274 frost-free days, at Pleasanton, TX.

What growing zone is Jourdanton in?

Zone 9a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 23°.

What is the best time of year to visit Jourdanton?

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

Is Jourdanton getting warmer?

Yes: 1991–2020 averaged 0.8° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 88% of U.S. towns.

Neighbors talk weather

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

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.