USDA Hardiness Zone 7a
Frost Dates for 25510 — Culloden, West Virginia
NOAA 1991–2020 normals from Hamlin, WV (680 ft), 9 miles south.
Updated
In Culloden, the last spring frost (32°F) is around April 23 in half of years and has passed by May 9 in nine years out of ten. The first fall frost comes around October 21, as early as October 9 one year in ten, leaving a typical freeze-free season of 180 days (NOAA, Hamlin, WV).
- Last spring frost
- April 23
- First fall frost
- October 21
- Growing season
- 180 days
- Hardiness zone
- 7a
50% probability
50% probability
freeze-free, 50%
0 to 5°F (-17.8 to -15.0°C) coldest night
- First snow
- December 19
- Last snow
- March 12
- Winters with snow
- 100%
- Snow per year
- 18.5"
median, 1991–2020
median, 1991–2020
24 of 24 observed
NOAA normal
Frost risk by date in Culloden
Half of springs at Hamlin, WV see their last 32°F night by April 23; only one in ten is past it by April 8, and one in ten still has one after May 9. Planting tender crops after April 30 leaves a 30% risk of a frost on them, after May 4 20%, and after May 9 10%. The 16 days between the even-odds date and the one-in-ten date is narrower than at 81% of the 84 West Virginia 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 9 one year in ten, and holds off past November 2 one year in ten. A hard freeze of 28°F follows 9 days later, around October 30; in spring the one-in-ten date for 28°F is April 27, 12 days before the 32°F one. The freeze-free season lasts 180 days in a typical year, longer than at 52% of the 84 West Virginia stations; it reaches 199 days one year in ten and falls short of 159 one year in ten. On average 125 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 2, and return around October 12. Severe cold of 16°F or below comes every winter, usually between December 6 and March 3.
| Low | 90% | 80% | 70% | 60% | 50% | 40% | 30% | 20% | 10% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Apr 19 | Apr 23 | Apr 27 | Apr 30 | May 2 | May 6 | May 10 | May 14 | May 20 |
| 32°F | Apr 8 | Apr 13 | Apr 17 | Apr 20 | Apr 23 | Apr 26 | Apr 30 | May 4 | May 9 |
| 28°F | Mar 24 | Mar 31 | Apr 3 | Apr 6 | Apr 9 | Apr 13 | Apr 17 | Apr 20 | Apr 27 |
| 24°F | Mar 11 | Mar 17 | Mar 21 | Mar 26 | Mar 29 | Apr 1 | Apr 4 | Apr 6 | Apr 13 |
| 20°F | Feb 25 | Mar 3 | Mar 8 | Mar 13 | Mar 17 | Mar 20 | Mar 24 | Mar 29 | Apr 3 |
| 16°F | Feb 5 | Feb 14 | Feb 23 | Feb 28 | Mar 3 | Mar 6 | Mar 12 | Mar 16 | Mar 22 |
| Low | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Oct 1 | Oct 5 | Oct 7 | Oct 10 | Oct 12 | Oct 15 | Oct 17 | Oct 20 | Oct 24 |
| 32°F | Oct 9 | Oct 13 | Oct 16 | Oct 18 | Oct 21 | Oct 23 | Oct 26 | Oct 29 | Nov 2 |
| 28°F | Oct 17 | Oct 21 | Oct 24 | Oct 27 | Oct 30 | Nov 1 | Nov 3 | Nov 6 | Nov 11 |
| 24°F | Oct 26 | Oct 31 | Nov 3 | Nov 5 | Nov 8 | Nov 11 | Nov 14 | Nov 19 | Nov 25 |
| 20°F | Nov 5 | Nov 9 | Nov 14 | Nov 18 | Nov 22 | Nov 26 | Nov 30 | Dec 4 | Dec 11 |
| 16°F | Nov 15 | Nov 23 | Nov 28 | Dec 1 | Dec 6 | Dec 12 | Dec 18 | Dec 23 | Dec 31 |
Freeze probabilities 1991–2020 at Hamlin, 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 25510 →Compare Culloden with another place →
Weather by month in Culloden
July is the warmest month at Hamlin, WV, averaging 88°F by day and 64°F at night; January is the coldest at 45°F and 23°F. A freezing night is all but certain in every month from November 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 27% of years.
Warmth for growing adds up to 3,907 growing degree days a year (base 50°F), more than at 92% of the 84 West Virginia stations. 36% of them (1,422) have built up by the end of June, and July adds the most, 809. Precipitation totals 47.6 inches a year, most in July (5.5") and least in November (3.2"); May to September bring 47% of it.
| Month | High °F | Low °F | Precip. in | 32°F night | Nights ≤ 32°F | GDD 50°F |
|---|---|---|---|---|---|---|
| Jan | 45 | 23 | 3.3 | 100% | 26 | 9 |
| Feb | 49 | 25 | 3.4 | 100% | 23 | 11 |
| Mar | 58 | 31 | 4.4 | 100% | 19 | 66 |
| Apr | 71 | 40 | 3.7 | 97% | 8 | 210 |
| May | 79 | 51 | 5.0 | 27% | 1 | 457 |
| Jun | 85 | 60 | 4.7 | 0% | 0 | 669 |
| Jul | 88 | 64 | 5.5 | 0% | 0 | 809 |
| Aug | 88 | 63 | 3.5 | 0% | 0 | 784 |
| Sep | 82 | 56 | 3.6 | 0% | 0 | 570 |
| Oct | 72 | 42 | 3.5 | 85% | 7 | 246 |
| Nov | 59 | 32 | 3.2 | 100% | 18 | 59 |
| Dec | 48 | 27 | 3.8 | 100% | 24 | 17 |
Monthly normals 1991–2020 at Hamlin, WV (680 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, Winfield Locks, WV, 12 miles northeast of Culloden, has a last frost 5 days earlier (April 18), a first frost 9 days later (October 30), a season 13 days longer.
When it snows in Culloden, West Virginia
The first measurable snow (0.1 inch or more) in Culloden usually arrives around December 19, and the last of the season around March 12. Those are the middle dates across the winters of 1991–2020 at Hamlin, WV, 8.7 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 42 days after the last snow.
Planting calendar for 25510
| When | What to do |
|---|---|
| February 12 – February 26 | Start peppers and aubergines indoorsThey need eight to ten weeks under lights before they can go out. |
| February 26 – March 12 | Start tomatoes indoorsSix to eight weeks gives a transplant big enough to set fruit early. |
| March 26 – April 9 | Sow peas, spinach, lettuce, radish outdoorsThese tolerate light frost and prefer to germinate in cool soil. |
| April 23 onward | Transplant tomatoes, peppers, basil, squash, cucumbersThe average last freeze has passed — still watch the actual forecast. |
| by July 29 | Sow the autumn crop of carrots, beets and brassicasThey need about twelve weeks to size up before growth stops. |
| by October 7 | Harvest tender crops, or be ready to cover themA first freeze two weeks early is well within normal variation. |
| October 21 onward | Plant 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 25510 is 9 miles from Hamlin, WV, which stands at 680 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 2 other ZIP codes share the station; its figures are presented in full for 25506 (Branchland). The 2023 USDA Plant Hardiness Zone Map lists ZIP 25510 in zone 7a, the band where the coldest night of the year averaged 0 to 5°F (-17.8 to -15.0°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.