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USDA Hardiness Zone 6b

Frost Dates for 25276 — Spencer, West Virginia

NOAA 1991–2020 normals from Spencer, WV (972 ft), 2 miles northwest.

Updated

In Spencer, the last spring frost (32°F) is around April 30 in half of years and has passed by May 18 in nine years out of ten. The first fall frost comes around October 17, as early as October 3 one year in ten, leaving a typical freeze-free season of 169 days (NOAA, Spencer, WV).

Last spring frost
April 30

50% probability

First fall frost
October 17

50% probability

Growing season
169 days

freeze-free, 50%

Hardiness zone
6b

-5 to 0°F (-20.6 to -17.8°C) coldest night

First snow
December 7

median, 1991–2020

Last snow
March 16

median, 1991–2020

Winters with snow
100%

26 of 26 observed

Snow per year
24.2"

NOAA normal

Frost risk by date in Spencer

Half of springs at Spencer, WV see their last 32°F night by April 30; only one in ten is past it by April 15, and one in ten still has one after May 18. Planting tender crops after May 7 leaves a 30% risk of a frost on them, after May 11 20%, and after May 18 10%. The 18 days between the even-odds date and the one-in-ten date is narrower than at 40% of the 84 West Virginia stations behind this site's ZIP pages.

In fall the first 32°F night comes by October 17 in half of years, as early as October 3 one year in ten, and holds off past October 29 one year in ten. A hard freeze of 28°F follows 10 days later, around October 27; in spring the one-in-ten date for 28°F is May 8, 10 days before the 32°F one. The freeze-free season lasts 169 days in a typical year, shorter than at 75% of the 84 West Virginia stations; it reaches 188 days one year in ten and falls short of 146 one year in ten. On average 129 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 9 days longer, to about May 9, and return around October 6. Severe cold of 16°F or below comes every winter, usually between December 2 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 24Apr 29May 3May 6May 9May 13May 17May 21May 28
32°FApr 15Apr 20Apr 23Apr 26Apr 30May 3May 7May 11May 18
28°FApr 1Apr 7Apr 13Apr 16Apr 19Apr 22Apr 26May 1May 8
24°FMar 20Mar 25Mar 30Apr 2Apr 5Apr 8Apr 13Apr 17Apr 22
20°FMar 4Mar 12Mar 17Mar 21Mar 24Mar 29Mar 31Apr 4Apr 11
16°FFeb 20Feb 28Mar 3Mar 8Mar 13Mar 16Mar 20Mar 26Apr 1
Fall: the chance the first night this cold has come by the date
Low10%20%30%40%50%60%70%80%90%
36°FSep 23Sep 28Oct 1Oct 3Oct 6Oct 8Oct 11Oct 14Oct 19
32°FOct 3Oct 7Oct 11Oct 14Oct 17Oct 19Oct 22Oct 26Oct 29
28°FOct 13Oct 18Oct 21Oct 24Oct 27Oct 30Nov 1Nov 4Nov 9
24°FOct 24Oct 29Nov 1Nov 4Nov 6Nov 9Nov 13Nov 16Nov 23
20°FNov 3Nov 8Nov 11Nov 15Nov 18Nov 22Nov 27Dec 1Dec 7
16°FNov 11Nov 17Nov 23Nov 29Dec 2Dec 6Dec 12Dec 18Dec 27

Freeze probabilities 1991–2020 at Spencer, WV, 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 25276 →Compare Spencer with another place →

Weather by month in Spencer

July is the warmest month at Spencer, WV, averaging 83°F by day and 62°F at night; January is the coldest at 40°F and 22°F. A freezing night is all but certain in every month from October to April (a 90% chance or more). From June to September the chance of a 32°F night stays under 10% each month. In spring, May still brings one in 47% of years.

Warmth for growing adds up to 3,184 growing degree days a year (base 50°F), fewer than at 62% of the 84 West Virginia stations. 36% of them (1,137) have built up by the end of June, and July adds the most, 697. Precipitation totals 47.5 inches a year, most in July (5.3") and least in November (3.1"); May to September bring 48% of it.

Monthly normals 1991–2020 at Spencer, WV
MonthHigh °FLow °FPrecip. in32°F nightNights ≤ 32°FGDD 50°F
Jan40223.4100%269
Feb43243.2100%2410
Mar53304.3100%2045
Apr65393.799%9156
May73495.047%2351
Jun80584.90%0566
Jul83625.30%0697
Aug83603.70%0662
Sep77533.96%0458
Oct66413.393%7177
Nov54323.1100%1841
Dec44273.7100%2412

Monthly normals 1991–2020 at Spencer, WV (972 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, Creston, WV, 13 miles north of Spencer and 322 feet lower, has a last frost 1 day earlier (April 29), a first frost 2 days later (October 19), a season 3 days longer.

Frost dates for 26143 (Elizabeth) →

When it snows in Spencer, West Virginia

The first measurable snow (0.1 inch or more) in Spencer usually arrives around December 7, and the last of the season around March 16. Those are the middle dates across the winters of 1991–2020 at Spencer, WV, 1.7 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 45 days after the last snow.

Planting calendar for 25276

What to do and when, from the 50% frost dates for Spencer, West Virginia
WhenWhat to do
February 19 – March 5Start peppers and aubergines indoorsThey need eight to ten weeks under lights before they can go out.
March 5 – March 19Start tomatoes indoorsSix to eight weeks gives a transplant big enough to set fruit early.
April 2 – April 16Sow peas, spinach, lettuce, radish outdoorsThese tolerate light frost and prefer to germinate in cool soil.
April 30 onwardTransplant tomatoes, peppers, basil, squash, cucumbersThe average last freeze has passed — still watch the actual forecast.
by July 25Sow the autumn crop of carrots, beets and brassicasThey need about twelve weeks to size up before growth stops.
by October 3Harvest tender crops, or be ready to cover themA first freeze two weeks early is well within normal variation.
October 17 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 25276 is 2 miles from Spencer, WV, which stands at 972 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 25276 in zone 6b, the band where the coldest night of the year averaged -5 to 0°F (-20.6 to -17.8°C) over 1991–2020; a zone describes winter lows, not frost dates.

Frost dates across West Virginia →

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 6b places in West Virginia