Frost dates by ZIP code: The nearest NOAA stations to your ZIP, 1991-2020 normals

Enter a five-digit ZIP code. PlainClimate finds its center (Census Bureau 2024) and the five nearest NOAA stations with frost dates, and shows each station's last spring and first autumn 32°F dates with its distance and elevation.

Frost dates near ZIP 72034

The USDA's 2023 Plant Hardiness Zone Map puts ZIP 72034 in zone 8a (the coldest night of a typical year: 10 to 15°F).

The nearest station, Conway, AR, is 3 miles from the ZIP's center: its last spring frost comes after April 2 in half of years and after April 19 in one year in ten. By the USDA's method its plant hardiness zone is 8a.

The nearest NOAA stations with frost dates (32°F)
StationDistanceElevationLast frost (median)1 in 10 afterFirst frost (median)Hardiness zone
Conway, AR3 mi312 ftApril 2April 19November 28a
Marche, AR14 mi272 ftApril 1April 17November 1–
Greenbrier, AR15 mi338 ftApril 9April 24October 25–
Morrilton, AR18 mi340 ftMarch 30April 15November 28a
North Little Rock, ARLittle Rock19 mi568 ftMarch 16April 2November 168a

Frost comes later in spring at higher and colder stations and earlier in low, open ground: prefer a station at a similar elevation to yours. Hardiness zone in the table: the USDA's rule (the average of each year's coldest night, 1991-2020) applied to the station's own record.

Every frost threshold at Conway

NOAA publishes the dates for several temperatures and odds. A 30% spring date means a 3-in-10 chance of a later frost (the convention almanacs use); 50% is the median; 10% the cautious date.

Conway, AR: last spring and first autumn dates by threshold and chance (NOAA 1991-2020)
ThresholdSpring, 10%Spring, 30%Spring, 50%Spring, 90%Autumn, 50%Autumn, 10%
36°F (light frost)April 28April 20April 13March 28October 23October 9
32°FApril 19April 8April 2March 13November 2October 20
28°F (hard freeze)April 7March 26March 17February 27November 11October 30
24°FMarch 24March 13March 5February 13November 23November 6

Source: NOAA NCEI 1991-2020 annual normals; ZIP centers: Census Bureau 2024 Gazetteer; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026. Autumn 10%: one year in ten has its first frost before this date.

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