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USDA Hardiness Zone 6a

Frost Dates for 44618 — Dalton, Ohio

NOAA 1991–2020 normals from Wooster 3 SSE, OH (1,102 ft), 12 miles west.

Updated

In Dalton, the last spring frost (32°F) is around April 24 in half of years and has passed by May 12 in nine years out of ten. The first fall frost comes around October 21, as early as October 6 one year in ten, leaving a typical freeze-free season of 177 days (NOAA, Wooster 3 SSE, OH).

Last spring frost
April 24

50% probability

First fall frost
October 21

50% probability

Growing season
177 days

freeze-free, 50%

Hardiness zone
6a

-10 to -5°F (-23.3 to -20.6°C) coldest night

First snow
November 27

median, 1991–2020

Last snow
March 26

median, 1991–2020

Winters with snow
100%

15 of 15 observed

Snow per year
29.3"

NOAA normal

Frost risk by date in Dalton

Half of springs at Wooster 3 SSE, OH see their last 32°F night by April 24; only one in ten is past it by April 10, and one in ten still has one after May 12. Planting tender crops after May 1 leaves a 30% risk of a frost on them, after May 5 20%, and after May 12 10%. The 18 days between the even-odds date and the one-in-ten date is wider than at 76% of the 148 Ohio stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 21 in half of years, as early as October 6 one year in ten, and holds off past November 3 one year in ten. A hard freeze of 28°F follows 12 days later, around November 2; in spring the one-in-ten date for 28°F is April 30, 12 days before the 32°F one. The freeze-free season lasts 177 days in a typical year, shorter than at 61% of the 148 Ohio stations; it reaches 197 days one year in ten and falls short of 155 one year in ten. On average 118 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 May 6, and return around October 8. Severe cold of 16°F or below comes every winter, usually between December 9 and March 13.

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

Freeze probabilities 1991–2020 at Wooster 3 SSE, OH, 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 44618 →Compare Dalton with another place →

Compared with the next station

The nearest other station, Wooster Wayne Co Airport, OH, 12 miles northwest of Dalton, has a last frost 5 days later (April 29), a first frost 7 days earlier (October 14), a season 10 days shorter.

Frost dates for 44667 (Orrville) →

When it snows in Dalton, Ohio

The first measurable snow (0.1 inch or more) in Dalton usually arrives around November 27, and the last of the season around March 26. Those are the middle dates across the winters of 1991–2020 at Marshallville 1 SSW, OH, 7 miles away: half of years saw snow earlier, half later. Every one of those winters saw snow. The last 32°F night of spring typically comes 29 days after the last snow.

Planting calendar for 44618

What to do and when, from the 50% frost dates for Dalton, Ohio
WhenWhat to do
February 13 – February 27Start peppers and aubergines indoorsThey need eight to ten weeks under lights before they can go out.
February 27 – March 13Start tomatoes indoorsSix to eight weeks gives a transplant big enough to set fruit early.
March 27 – April 10Sow peas, spinach, lettuce, radish outdoorsThese tolerate light frost and prefer to germinate in cool soil.
April 24 onwardTransplant tomatoes, peppers, basil, squash, cucumbersThe average last freeze has passed — still watch the actual forecast.
by July 29Sow the autumn crop of carrots, beets and brassicasThey need about twelve weeks to size up before growth stops.
by October 7Harvest tender crops, or be ready to cover themA first freeze two weeks early is well within normal variation.
October 21 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 44618 is 12 miles from Wooster 3 SSE, OH, which stands at 1,102 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 3 other ZIP codes share the station; its figures are presented in full for 44606 (Apple Creek). The 2023 USDA Plant Hardiness Zone Map lists ZIP 44618 in zone 6a, the band where the coldest night of the year averaged -10 to -5°F (-23.3 to -20.6°C) over 1991–2020; a zone describes winter lows, not frost dates.

Frost dates across Ohio →

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 6a places in Ohio