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USDA Hardiness Zone 8a

Frost Dates for 72032 — Conway, Arkansas

NOAA 1991–2020 normals from Conway, AR (312 ft), 4 miles northwest.

Updated

In Conway, the last spring frost (32°F) is around April 2 in half of years and has passed by April 19 in nine years out of ten. The first fall frost comes around November 2, as early as October 20 one year in ten, leaving a typical freeze-free season of 215 days (NOAA, Conway, AR).

Last spring frost
April 2

50% probability

First fall frost
November 2

50% probability

Growing season
215 days

freeze-free, 50%

Hardiness zone
8a

10 to 15°F (-12.2 to -9.4°C) coldest night

First snow
January 5

median, 1991–2020

Last snow
January 25

median, 1991–2020

Winters with snow
64%

18 of 28 observed

Snow per year
2.3"

NOAA normal

Frost risk by date in Conway

Half of springs at Conway, AR see their last 32°F night by April 2; only one in ten is past it by March 13, and one in ten still has one after April 19. Planting tender crops after April 8 leaves a 30% risk of a frost on them, after April 13 20%, and after April 19 10%. The 17 days between the even-odds date and the one-in-ten date is narrower than at 41% 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 20 one year in ten, and holds off past November 16 one year in ten. A hard freeze of 28°F follows 9 days later, around November 11; in spring the one-in-ten date for 28°F is April 7, 12 days before the 32°F one. The freeze-free season lasts 215 days in a typical year, shorter than at 64% of the 105 Arkansas stations; it reaches 237 days one year in ten and falls short of 194 one year in ten. On average 66 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 11 days longer, to about April 13, and return around October 23. Severe cold of 16°F or below comes in 96% of winters, usually between December 26 and February 6.

Spring: the chance of another night this cold after the date
Low90%80%70%60%50%40%30%20%10%
36°FMar 28Apr 3Apr 6Apr 9Apr 13Apr 17Apr 20Apr 24Apr 28
32°FMar 13Mar 20Mar 25Mar 29Apr 2Apr 5Apr 8Apr 13Apr 19
28°FFeb 27Mar 4Mar 9Mar 14Mar 17Mar 22Mar 26Apr 1Apr 7
24°FFeb 13Feb 21Feb 26Mar 2Mar 5Mar 9Mar 13Mar 17Mar 24
20°FJan 29Feb 4Feb 11Feb 17Feb 22Feb 26Mar 1Mar 6Mar 13
16°F96% of yrsJan 10Jan 20Jan 28Jan 31Feb 6Feb 12Feb 18Feb 24Mar 3
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 15Oct 18Oct 21Oct 23Oct 26Oct 29Oct 31Nov 5
32°FOct 20Oct 24Oct 28Oct 31Nov 2Nov 5Nov 7Nov 11Nov 16
28°FOct 30Nov 3Nov 6Nov 8Nov 11Nov 15Nov 19Nov 23Nov 29
24°FNov 6Nov 11Nov 16Nov 19Nov 23Nov 27Dec 1Dec 5Dec 13
20°FNov 16Nov 22Nov 28Dec 2Dec 6Dec 11Dec 18Dec 24Jan 1
16°F96% of yrsNov 29Dec 6Dec 14Dec 21Dec 26Jan 1Jan 5Jan 13Jan 22

Freeze probabilities 1991–2020 at Conway, 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 72032 →Compare Conway with another place →

Weather by month in Conway

July is the warmest month at Conway, AR, averaging 92°F by day and 70°F at night; January is the coldest at 49°F and 27°F. A freezing night is all but certain in every month from November to March (a 90% chance or more). From May to September the chance of a 32°F night stays under 10% each month. In spring, April still brings one in 53% of years.

Warmth for growing adds up to 4,909 growing degree days a year (base 50°F), fewer than at 58% of the 105 Arkansas stations. 38% of them (1,868) have built up by the end of June, and July adds the most, 950. Precipitation totals 51.2 inches a year, most in May (5.6") and least in September (3.1"); May to September bring 38% of it.

Monthly normals 1991–2020 at Conway, AR
MonthHigh °FLow °FPrecip. in32°F nightNights ≤ 32°FGDD 50°F
Jan49273.8100%2018
Feb54304.2100%1535
Mar63395.397%6134
Apr72475.453%1308
May79585.60%0573
Jun87663.60%0801
Jul92703.40%0950
Aug91683.50%0927
Sep85613.10%0678
Oct74484.043%1358
Nov61384.6100%8103
Dec52304.7100%1826

Monthly normals 1991–2020 at Conway, AR (312 ft), NOAA NCEI. "32°F night": chance of at least one in the month. GDD: growing degree days, base 50°F.

Compared with the next station

The nearest other station, Greenbrier, AR, 12 miles north of Conway, has a last frost 7 days later (April 9), a first frost 8 days earlier (October 25), a season 17 days shorter.

Frost dates for 72058 (Greenbrier) →

When it snows in Conway, Arkansas

The first measurable snow (0.1 inch or more) in Conway usually arrives around January 5, and the last of the season around January 25. Those are the middle dates across the winters of 1991–2020 at Conway, AR, 3.7 miles away: half of years saw snow earlier, half later. Snow fell in 64% of those winters. The last 32°F night of spring typically comes 67 days after the last snow.

Planting calendar for 72032

What to do and when, from the 50% frost dates for Conway, Arkansas
WhenWhat to do
January 22 – February 5Start peppers and aubergines indoorsThey need eight to ten weeks under lights before they can go out.
February 5 – February 19Start tomatoes indoorsSix to eight weeks gives a transplant big enough to set fruit early.
March 5 – March 19Sow peas, spinach, lettuce, radish outdoorsThese tolerate light frost and prefer to germinate in cool soil.
April 2 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 72032 is 4 miles from Conway, AR, which stands at 312 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 4 other ZIP codes share the station; its figures are presented in full for 72034 (Conway). The 2023 USDA Plant Hardiness Zone Map lists ZIP 72032 in zone 8a, the band where the coldest night of the year averaged 10 to 15°F (-12.2 to -9.4°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.

ZIP codes measured at the same station

Other zone 8a places in Arkansas