Last spring frost
Apr 22
Frost Dates for Spelter, WV
First fall frost
Oct 23
Growing season
181 days
Hardiness zone
6b
In an average year around Spelter, WV, the last spring frost (32°F) is about Apr 22 and the first fall frost is about Oct 23, giving roughly a 181-day growing season. To be safe most years, wait until Apr 10 before setting out tender plants.
Last spring frost
Dates the last frost of spring typically ends. Plant tender crops after the risk has passed for your comfort level.
| Frost intensity | Early (10%) | Average (50%) | Late (90%) |
|---|---|---|---|
| Light (36°F) | May 21 | May 4 | Apr 21 |
| Freeze (32°F) | May 11 | Apr 22 | Apr 10 |
| Hard (28°F) | Apr 24 | Apr 10 | Mar 28 |
| Severe (24°F) | Apr 13 | Mar 31 | Mar 15 |
Show full probability table (all thresholds & percentiles)
| °F | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | May 21 | May 16 | May 11 | May 6 | May 4 | Apr 30 | Apr 27 | Apr 24 | Apr 21 |
| 32°F | May 11 | May 3 | Apr 30 | Apr 26 | Apr 22 | Apr 20 | Apr 17 | Apr 15 | Apr 10 |
| 28°F | Apr 24 | Apr 20 | Apr 17 | Apr 14 | Apr 10 | Apr 7 | Apr 4 | Apr 1 | Mar 28 |
| 24°F | Apr 13 | Apr 7 | Apr 4 | Apr 2 | Mar 31 | Mar 28 | Mar 24 | Mar 20 | Mar 15 |
| 20°F | Apr 1 | Mar 29 | Mar 24 | Mar 21 | Mar 18 | Mar 15 | Mar 12 | Mar 7 | Mar 1 |
| 16°F | Mar 22 | Mar 17 | Mar 14 | Mar 10 | Mar 7 | Mar 3 | Feb 28 | Feb 21 | Feb 14 |
First fall frost
Dates the first frost of fall typically arrives. Count back by a crop's days-to-maturity to know your planting cutoff.
| Frost intensity | Early (10%) | Average (50%) | Late (90%) |
|---|---|---|---|
| Light (36°F) | Oct 1 | Oct 12 | Oct 24 |
| Freeze (32°F) | Oct 9 | Oct 23 | Nov 3 |
| Hard (28°F) | Oct 19 | Nov 1 | Nov 14 |
| Severe (24°F) | Oct 30 | Nov 11 | Nov 29 |
Show full probability table (all thresholds & percentiles)
| °F | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Oct 1 | Oct 4 | Oct 7 | Oct 10 | Oct 12 | Oct 14 | Oct 17 | Oct 21 | Oct 24 |
| 32°F | Oct 9 | Oct 13 | Oct 17 | Oct 20 | Oct 23 | Oct 25 | Oct 28 | Oct 31 | Nov 3 |
| 28°F | Oct 19 | Oct 24 | Oct 27 | Oct 30 | Nov 1 | Nov 2 | Nov 5 | Nov 9 | Nov 14 |
| 24°F | Oct 30 | Nov 2 | Nov 5 | Nov 9 | Nov 11 | Nov 14 | Nov 18 | Nov 23 | Nov 29 |
| 20°F | Nov 8 | Nov 13 | Nov 17 | Nov 21 | Nov 25 | Nov 29 | Dec 2 | Dec 7 | Dec 14 |
| 16°F | Nov 17 | Nov 25 | Dec 1 | Dec 4 | Dec 9 | Dec 13 | Dec 19 | Dec 24 | Dec 29 |
Growing season is measured at 32°F with about 50% probability. Hardiness zone from the 2023 USDA map; frost normals from NOAA 1991-2020.
Where this data comes from
@endif These dates are computed from the nearest official weather station with long-term records: Clarksburg 1, Wv, about 5.5 miles away@if(!empty($station['elevation_ft'])), at 990 ft elevation. The further the station and the greater the elevation difference from your yard, the more your local frost timing can vary.
How we calculate these dates
Frost and freeze dates come from the NOAA 1991–2020 U.S. Climate Normals, the National Oceanic and Atmospheric Administration's 30-year averages for each weather station. A date shown at the 50% level is the median: in half of years the frost falls on or before it. The 10% and 90% columns show the early and late ends of the range, so you can plant on the odds you're comfortable with. These are long-term averages, not a forecast for this year - always check your local outlook before planting.
Source: NOAA National Centers for Environmental Information, 1991–2020 Climate Normals (public domain). Harman is not affiliated with or endorsed by NOAA.
Frequently asked questions
When is the last frost in Spelter, WV?
On average, the last spring frost (32°F) around Spelter, WV is about Apr 22. In cooler years it can run later, so for a safer bet many gardeners wait until Apr 10.
When is the first frost in the fall?
The first fall frost around Spelter, WV typically arrives about Oct 23. Count back by a crop's days to maturity to find the latest date you can plant it.
When can I plant tomatoes and other tender crops?
Tender crops like tomatoes, peppers and basil are damaged by frost, so wait until the last spring frost has passed - around Apr 22 on average, or Apr 10 to be safe most years.
How long is the growing season here?
The frost-free growing season (between the last spring and first fall 32°F frost) is about 181 days in a typical year.
Are these dates a forecast for this year?
No. They are 30-year averages from the NOAA 1991–2020 Climate Normals, not a prediction for the current year. Use them for planning and always check your local weather forecast before planting or protecting crops.
Local weather for 26438 Planting calendar → West Virginia frost dates →
Data source: NOAA 1991–2020 Climate Normals · Page updated Aug 4, 2026