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USDA Hardiness Zone 8a

Frost Dates for 28168 — Vale, North Carolina

NOAA 1991–2020 normals from Vale Ag 2 SW, NC (985 ft), 2 miles southwest.

Updated

In Vale, the last spring frost (32°F) is around April 12 in half of years and has passed by April 26 in nine years out of ten. The first fall frost comes around October 28, as early as October 16 one year in ten, leaving a typical freeze-free season of 198 days (NOAA, Vale Ag 2 SW, NC).

Last spring frost
April 12

50% probability

First fall frost
October 28

50% probability

Growing season
198 days

freeze-free, 50%

Hardiness zone
8a

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

First snow
Rare

median, 1991–2020

Last snow
Rare

median, 1991–2020

Winters with snow
42%

10 of 24 observed

Snow per year
3.1"

NOAA normal

Frost risk by date in Vale

Half of springs at Vale Ag 2 SW, NC see their last 32°F night by April 12; only one in ten is past it by March 31, and one in ten still has one after April 26. Planting tender crops after April 19 leaves a 30% risk of a frost on them, after April 22 20%, and after April 26 10%. The 14 days between the even-odds date and the one-in-ten date is narrower than at 79% of the 173 North Carolina stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 28 in half of years, as early as October 16 one year in ten, and holds off past November 9 one year in ten. A hard freeze of 28°F follows 8 days later, around November 5; in spring the one-in-ten date for 28°F is April 15, 11 days before the 32°F one. The freeze-free season lasts 198 days in a typical year, shorter than at 76% of the 173 North Carolina stations; it reaches 217 days one year in ten and falls short of 179 one year in ten. On average 95 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 24, and return around October 20. Severe cold of 16°F or below comes in 99% of winters, usually between December 16 and March 2.

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

Freeze probabilities 1991–2020 at Vale Ag 2 SW, NC, 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 28168 →Compare Vale with another place →

Weather by month in Vale

July is the warmest month at Vale Ag 2 SW, NC, averaging 88°F by day and 66°F at night; January is the coldest at 50°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 88% of years.

Warmth for growing adds up to 4,120 growing degree days a year (base 50°F), fewer than at 75% of the 173 North Carolina stations. 38% of them (1,554) have built up by the end of June, and July adds the most, 829.

Monthly normals 1991–2020 at Vale Ag 2 SW, NC
MonthHigh °FLow °F32°F nightNights ≤ 32°FGDD 50°F
Jan5027100%2315
Feb5429100%1926
Mar6233100%1486
Apr714388%4239
May78536%0483
Jun85620%0706
Jul88660%0829
Aug86650%0789
Sep81590%0591
Oct724662%1279
Nov6134100%1558
Dec5229100%2021

Monthly normals 1991–2020 at Vale Ag 2 SW, NC (985 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, Lincolnton 4 W, NC, 8 miles southeast of Vale, has a last frost 3 days earlier (April 9), the same first-frost date, a season 3 days longer.

Frost dates for 28092 (Lincolnton) →

When it snows in Vale, North Carolina

Measurable snow is rare here: only 10 of 24 winters from 1991 to 2020 recorded 0.1 inch or more at Casar, NC, 10.9 miles away, so there is no typical first-snow date to plan around.

Planting calendar for 28168

What to do and when, from the 50% frost dates for Vale, North Carolina
WhenWhat to do
February 1 – February 15Start peppers and aubergines indoorsThey need eight to ten weeks under lights before they can go out.
February 15 – March 1Start tomatoes indoorsSix to eight weeks gives a transplant big enough to set fruit early.
March 15 – March 29Sow peas, spinach, lettuce, radish outdoorsThese tolerate light frost and prefer to germinate in cool soil.
April 12 onwardTransplant tomatoes, peppers, basil, squash, cucumbersThe average last freeze has passed — still watch the actual forecast.
by August 5Sow the autumn crop of carrots, beets and brassicasThey need about twelve weeks to size up before growth stops.
by October 14Harvest tender crops, or be ready to cover themA first freeze two weeks early is well within normal variation.
October 28 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 28168 is 2 miles from Vale Ag 2 SW, NC, which stands at 985 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 2 other ZIP codes share the station. The 2023 USDA Plant Hardiness Zone Map lists ZIP 28168 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 North Carolina →

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 North Carolina