Frost dates for 26631Napier, WV
The average last spring frost in Napier is April 22 and the average first fall frost is October 28, giving a typical growing season of about 187 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 22
- Average first fall frost
- Oct 28
- Growing season
- 187 days
Safer after May 11 (1-in-10 risk)
Possible by Oct 14 (1-in-10 risk)
Last frost typically in 170 days
Frost risk by date
NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.
| Temperature | Last spring: 90% / 50% / 10% chance | First fall: 10% / 50% / 90% chance | Growing season (50%) | Years with at least one |
|---|---|---|---|---|
| Light frost (36°F) | Apr 19 · May 3 · May 19 | Oct 6 · Oct 19 · Oct 31 | 168 days | 100% |
| Frost / freeze (32°F) | Apr 7 · Apr 22 · May 11 | Oct 14 · Oct 28 · Nov 7 | 187 days | 100% |
| Hard freeze (28°F) | Mar 27 · Apr 8 · May 1 | Oct 25 · Nov 5 · Nov 19 | 210 days | 100% |
Planting calendar for Napier
Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.
| Crop | Task | Window |
|---|---|---|
| Tomatoes | Start seeds indoors | Mar 22 – May 28 |
| Tomatoes | Transplant outdoors | May 8 – Jul 8 |
| Peppers | Start seeds indoors | Mar 22 – Apr 22 |
| Peppers | Transplant outdoors | May 22 – Jun 22 |
| Eggplant | Start seeds indoors | Apr 8 – May 7 |
| Eggplant | Transplant outdoors | May 22 – Jun 22 |
| Cucumbers | Sow outdoors | May 22 – Jul 18 |
| Summer squash | Sow outdoors | May 8 – Jun 22 |
| Winter squash & pumpkins | Sow outdoors | May 22 – Jun 22 |
| Snap beans | Sow outdoors | May 8 – Aug 10 |
| Sweet corn | Sow outdoors | May 8 – Jul 8 |
| Watermelon & cantaloupe | Sow outdoors | May 22 – Jun 22 |
| Okra | Sow outdoors | May 15 – Jun 7 |
| Peas | Sow outdoors (spring) | Mar 22 – May 7 |
| Potatoes | Plant outdoors (spring) | Mar 22 – May 22 |
| Onions | Start seeds indoors (spring) | Feb 8 – Mar 7 |
| Onions | Transplant outdoors (spring) | Apr 8 – May 7 |
| Broccoli | Start seeds indoors (spring) | Mar 4 – Apr 7 |
| Broccoli | Transplant outdoors (spring) | Apr 8 – May 7 |
| Broccoli | Start seeds indoors (fall) | Jun 28 – Jul 8 |
| Broccoli | Transplant outdoors (fall) | Jul 28 – Aug 8 |
| Cabbage | Start seeds indoors (spring) | Feb 22 – Mar 22 |
| Cabbage | Transplant outdoors (spring) | Mar 22 – Apr 22 |
| Cabbage | Start seeds indoors (fall) | Jun 18 – Jul 18 |
| Cabbage | Transplant outdoors (fall) | Jul 18 – Aug 18 |
| Leaf lettuce | Sow outdoors (spring) | Mar 22 – Jun 7 |
| Leaf lettuce | Sow outdoors (fall) | Jul 18 – Sep 3 |
| Spinach | Sow outdoors (spring) | Mar 15 – Apr 28 |
| Spinach | Sow outdoors (fall) | Aug 4 – Sep 8 |
| Radishes | Sow outdoors (spring) | Mar 22 – May 12 |
| Radishes | Sow outdoors (fall) | Jul 18 – Sep 18 |
| Kale | Sow outdoors (spring) | Apr 8 – Apr 28 |
| Kale | Sow outdoors (fall) | Jul 11 – Aug 18 |
| Carrots | Sow outdoors (spring) | Apr 22 – Jun 7 |
| Carrots | Sow outdoors (fall) | Jun 18 – Aug 3 |
| Garlic | Plant outdoors (fall) | Oct 18 – Nov 18 |
Where these dates come from
ZIP code 26631 is matched to the NOAA station Sutton Lake, WV, 17.3 km away, at 868 ft elevation (41 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Sutton Lake, WV (used) | 868 ft | Apr 22 | Oct 28 |
| Gassaway, WV | 848 ft | Apr 20 | Oct 25 |
| Rock Cave 2 Ne, WV | 1,749 ft | Apr 26 | Oct 21 |
| Stonewall Jackson Dam, WV | 1,045 ft | Apr 26 | Oct 23 |
Frost dates near Napier
- Heaters, WV 26627 · last Apr 22, first Oct 28
- Burnsville, WV 26335 · last Apr 22, first Oct 28
- Orlando, WV 26412 · last Apr 25, first Oct 24
- Flatwoods, WV 26621 · last Apr 22, first Oct 28
- Walkersville, WV 26447 · last Apr 26, first Oct 23
- Ireland, WV 26376 · last May 7, first Oct 10
- Copen, WV 26615 · last Apr 25, first Oct 24
- Exchange, WV 26619 · last Apr 22, first Oct 28
Frequently asked questions
- When is the last frost in Napier, WV?
- For ZIP code 26631, the average last spring frost (32°F) is April 22, based on NOAA 1991-2020 climate normals for the Sutton Lake, WV weather station. There is a 1-in-10 chance of a frost after May 11.
- When is the first frost in Napier, WV?
- The average first fall frost (32°F) is October 28. There is a 1-in-10 chance of frost by October 14, so tender plants are at risk from that point on.
- How long is the growing season in 26631?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 187 days long.
- Are these frost dates a forecast?
- No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.