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USDA Hardiness Zone 7b

Frost Dates for 72031 — Clinton, Arkansas

NOAA 1991–2020 normals from Dennard 10 WSW, AR (1,740 ft), 15 miles northwest.

Updated

In Clinton, the last spring frost (32°F) is around April 4 in half of years and has passed by April 20 in nine years out of ten. The first fall frost comes around November 2, as early as October 19 one year in ten, leaving a typical freeze-free season of 212 days (NOAA, Dennard 10 WSW, AR).

Last spring frost
April 4

50% probability

First fall frost
November 2

50% probability

Growing season
212 days

freeze-free, 50%

Hardiness zone
7b

5 to 10°F (-15.0 to -12.2°C) coldest night

First snow
January 2

median, 1991–2020

Last snow
February 11

median, 1991–2020

Winters with snow
92%

24 of 26 observed

Snow per year
6.9"

NOAA normal

Frost risk by date in Clinton

Half of springs at Dennard 10 WSW, AR see their last 32°F night by April 4; only one in ten is past it by March 18, and one in ten still has one after April 20. Planting tender crops after April 10 leaves a 30% risk of a frost on them, after April 14 20%, and after April 20 10%. The 16 days between the even-odds date and the one-in-ten date is narrower than at 65% of the 105 Arkansas stations behind this site's ZIP pages.

In fall the first 32°F night comes by November 2 in half of years, as early as October 19 one year in ten, and holds off past November 21 one year in ten. A hard freeze of 28°F follows 14 days later, around November 16; in spring the one-in-ten date for 28°F is April 8, 12 days before the 32°F one. The freeze-free season lasts 212 days in a typical year, shorter than at 72% of the 105 Arkansas stations; it reaches 237 days one year in ten and falls short of 190 one year in ten. On average 78 nights a year drop to 32°F or below. Nights of 36°F, when frost can still settle on leaves in low, open spots, continue 12 days longer, to about April 16, and return around October 22. Severe cold of 16°F or below comes in 99% of winters, usually between December 29 and February 17.

Spring: the chance of another night this cold after the date
Low90%80%70%60%50%40%30%20%10%
36°FMar 31Apr 6Apr 10Apr 13Apr 16Apr 20Apr 23Apr 27May 1
32°FMar 18Mar 25Mar 29Apr 1Apr 4Apr 6Apr 10Apr 14Apr 20
28°FMar 6Mar 11Mar 16Mar 20Mar 23Mar 27Mar 31Apr 4Apr 8
24°FFeb 23Feb 28Mar 4Mar 7Mar 10Mar 13Mar 17Mar 21Mar 29
20°FFeb 9Feb 16Feb 21Feb 25Feb 28Mar 3Mar 6Mar 10Mar 16
16°F99% of yrsJan 24Feb 1Feb 7Feb 12Feb 17Feb 22Feb 26Mar 2Mar 8
Fall: the chance the first night this cold has come by the date
Low10%20%30%40%50%60%70%80%90%
36°FOct 9Oct 14Oct 17Oct 19Oct 22Oct 25Oct 28Oct 31Nov 5
32°FOct 19Oct 23Oct 27Oct 31Nov 2Nov 5Nov 9Nov 15Nov 21
28°FOct 31Nov 3Nov 7Nov 11Nov 16Nov 21Nov 25Nov 30Dec 4
24°FNov 8Nov 15Nov 21Nov 25Nov 29Dec 2Dec 7Dec 11Dec 19
20°FNov 20Nov 28Dec 3Dec 8Dec 12Dec 16Dec 22Dec 28Jan 4
16°F99% of yrsDec 2Dec 12Dec 19Dec 23Dec 29Jan 1Jan 6Jan 12Jan 22

Freeze probabilities 1991–2020 at Dennard 10 WSW, AR, from NOAA NCEI U.S. Climate Normals. Where a temperature is reached in fewer than 99.5% of years, the dates describe only the years that reach it. Not a forecast.

Frost risk on any date in 72031 →Compare Clinton with another place →

Compared with the next station

The nearest other station, Marshall, AR, 24 miles northwest of Clinton and 789 feet lower, has a last frost 7 days later (April 11), a first frost 7 days earlier (October 26), a season 15 days shorter.

Frost dates for 72650 (Marshall) →

When it snows in Clinton, Arkansas

The first measurable snow (0.1 inch or more) in Clinton usually arrives around January 2, and the last of the season around February 11. Those are the middle dates across the winters of 1991–2020 at Botkinburg 3 NE, AR, 9.7 miles away: half of years saw snow earlier, half later. Snow fell in 92% of those winters. The last 32°F night of spring typically comes 52 days after the last snow.

Planting calendar for 72031

What to do and when, from the 50% frost dates for Clinton, Arkansas
WhenWhat to do
January 24 – February 7Start peppers and aubergines indoorsThey need eight to ten weeks under lights before they can go out.
February 7 – February 21Start tomatoes indoorsSix to eight weeks gives a transplant big enough to set fruit early.
March 7 – March 21Sow peas, spinach, lettuce, radish outdoorsThese tolerate light frost and prefer to germinate in cool soil.
April 4 onwardTransplant tomatoes, peppers, basil, squash, cucumbersThe average last freeze has passed — still watch the actual forecast.
by August 10Sow the autumn crop of carrots, beets and brassicasThey need about twelve weeks to size up before growth stops.
by October 19Harvest tender crops, or be ready to cover themA first freeze two weeks early is well within normal variation.
November 2 onwardPlant garlic, mulch beds, lift tender bulbsGarlic wants a cold spell; bare soil loses structure over winter.

The weeks before and after the 50% dates are general rules of thumb, not NOAA figures; a seed packet gives the timing for each variety.

Where these figures come from

ZIP 72031 is 15 miles from Dennard 10 WSW, AR, which stands at 1,740 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 72031 in zone 7b, the band where the coldest night of the year averaged 5 to 10°F (-15.0 to -12.2°C) over 1991–2020; a zone describes winter lows, not frost dates.

Frost dates across Arkansas →

Hardiness zone and temperature range: USDA Plant Hardiness Zone Map 2023 (USDA-ARS, Oregon State University), ZIP-code listing, unchanged. °C converted from °F by this site.

Thirty-year averages, not a forecast: check the forecast before planting out. How stations are matched and which pages are offered to search engines: methodology.

Other zone 7b places in Arkansas