Frost dates for 43917Dillonvale, OH
The average last spring frost in Dillonvale is April 18 and the average first fall frost is November 1, giving a typical growing season of about 196 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 18
- Average first fall frost
- Nov 1
- Growing season
- 196 days
Safer after May 6 (1-in-10 risk)
Possible by Oct 18 (1-in-10 risk)
Last frost typically in 166 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 17 · Apr 29 · May 17 | Oct 8 · Oct 21 · Nov 1 | 174 days | 100% |
| Frost / freeze (32°F) | Apr 4 · Apr 18 · May 6 | Oct 18 · Nov 1 · Nov 13 | 196 days | 100% |
| Hard freeze (28°F) | Mar 23 · Apr 5 · Apr 20 | Oct 31 · Nov 10 · Nov 25 | 219 days | 100% |
Planting calendar for Dillonvale
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 18 – May 24 |
| Tomatoes | Transplant outdoors | May 4 – Jul 12 |
| Peppers | Start seeds indoors | Mar 18 – Apr 18 |
| Peppers | Transplant outdoors | May 18 – Jun 18 |
| Eggplant | Start seeds indoors | Apr 4 – May 3 |
| Eggplant | Transplant outdoors | May 18 – Jun 18 |
| Cucumbers | Sow outdoors | May 18 – Jul 22 |
| Summer squash | Sow outdoors | May 4 – Jun 18 |
| Winter squash & pumpkins | Sow outdoors | May 18 – Jun 18 |
| Snap beans | Sow outdoors | May 4 – Aug 14 |
| Sweet corn | Sow outdoors | May 4 – Jul 12 |
| Watermelon & cantaloupe | Sow outdoors | May 18 – Jun 18 |
| Okra | Sow outdoors | May 11 – Jun 3 |
| Peas | Sow outdoors (spring) | Mar 18 – May 3 |
| Potatoes | Plant outdoors (spring) | Mar 18 – May 18 |
| Onions | Start seeds indoors (spring) | Feb 4 – Mar 3 |
| Onions | Transplant outdoors (spring) | Apr 4 – May 3 |
| Broccoli | Start seeds indoors (spring) | Feb 28 – Apr 3 |
| Broccoli | Transplant outdoors (spring) | Apr 4 – May 3 |
| Broccoli | Start seeds indoors (fall) | Jul 2 – Jul 12 |
| Broccoli | Transplant outdoors (fall) | Aug 1 – Aug 12 |
| Cabbage | Start seeds indoors (spring) | Feb 18 – Mar 18 |
| Cabbage | Transplant outdoors (spring) | Mar 18 – Apr 18 |
| Cabbage | Start seeds indoors (fall) | Jun 22 – Jul 22 |
| Cabbage | Transplant outdoors (fall) | Jul 22 – Aug 22 |
| Leaf lettuce | Sow outdoors (spring) | Mar 18 – Jun 3 |
| Leaf lettuce | Sow outdoors (fall) | Jul 22 – Sep 7 |
| Spinach | Sow outdoors (spring) | Mar 11 – Apr 24 |
| Spinach | Sow outdoors (fall) | Aug 8 – Sep 12 |
| Radishes | Sow outdoors (spring) | Mar 18 – May 8 |
| Radishes | Sow outdoors (fall) | Jul 22 – Sep 22 |
| Kale | Sow outdoors (spring) | Apr 4 – Apr 24 |
| Kale | Sow outdoors (fall) | Jul 15 – Aug 22 |
| Carrots | Sow outdoors (spring) | Apr 18 – Jun 3 |
| Carrots | Sow outdoors (fall) | Jun 22 – Aug 7 |
| Garlic | Plant outdoors (fall) | Oct 22 – Nov 22 |
Where these dates come from
ZIP code 43917 is matched to the NOAA station Pike Island(Lock & Dam), WV, 12.2 km away, at 640 ft elevation (187 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Pike Island(Lock & Dam), WV (used) | 640 ft | Apr 18 | Nov 1 |
| Wheeling Ohio Co Ap, WV | 1,179 ft | Apr 23 | Oct 25 |
| Cadiz, OH | 1,260 ft | Apr 21 | Oct 25 |
| Wheeling, WV | 645 ft | Apr 20 | Oct 29 |
Frost dates near Dillonvale
- Piney Fork, OH 43941 · last Apr 29, first Oct 20
- Smithfield, OH 43948 · last Apr 23, first Oct 25
- Mount Pleasant, OH 43939 · last Apr 23, first Oct 25
- Adena, OH 43901 · last Apr 29, first Oct 20
- Rayland, OH 43943 · last Apr 23, first Oct 25
- Harrisville, OH 43974 · last Apr 23, first Oct 25
- Tiltonsville, OH 43963 · last Apr 18, first Nov 1
- Yorkville, OH 43971 · last Apr 18, first Nov 1
Frequently asked questions
- When is the last frost in Dillonvale, OH?
- For ZIP code 43917, the average last spring frost (32°F) is April 18, based on NOAA 1991-2020 climate normals for the Pike Island(Lock & Dam), WV weather station. There is a 1-in-10 chance of a frost after May 6.
- When is the first frost in Dillonvale, OH?
- The average first fall frost (32°F) is November 1. There is a 1-in-10 chance of frost by October 18, so tender plants are at risk from that point on.
- How long is the growing season in 43917?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 196 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.