Frost dates for 14787Westfield, NY
The average last spring frost in Westfield is April 21 and the average first fall frost is November 5, giving a typical growing season of about 197 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 21
- Average first fall frost
- Nov 5
- Growing season
- 197 days
Safer after May 5 (1-in-10 risk)
Possible by Oct 23 (1-in-10 risk)
First frost typically in 2 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 20 · May 1 · May 16 | Oct 11 · Oct 26 · Nov 8 | 177 days | 100% |
| Frost / freeze (32°F) | Apr 8 · Apr 21 · May 5 | Oct 23 · Nov 5 · Nov 19 | 197 days | 100% |
| Hard freeze (28°F) | Mar 28 · Apr 9 · Apr 23 | Nov 1 · Nov 14 · Dec 1 | 217 days | 100% |
Planting calendar for Westfield
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 21 – May 27 |
| Tomatoes | Transplant outdoors | May 7 – Jul 16 |
| Peppers | Start seeds indoors | Mar 21 – Apr 21 |
| Peppers | Transplant outdoors | May 21 – Jun 21 |
| Eggplant | Start seeds indoors | Apr 7 – May 6 |
| Eggplant | Transplant outdoors | May 21 – Jun 21 |
| Cucumbers | Sow outdoors | May 21 – Jul 26 |
| Summer squash | Sow outdoors | May 7 – Jun 21 |
| Winter squash & pumpkins | Sow outdoors | May 21 – Jun 21 |
| Snap beans | Sow outdoors | May 7 – Aug 18 |
| Sweet corn | Sow outdoors | May 7 – Jul 16 |
| Watermelon & cantaloupe | Sow outdoors | May 21 – Jun 21 |
| Okra | Sow outdoors | May 14 – Jun 6 |
| Peas | Sow outdoors (spring) | Mar 21 – May 6 |
| Potatoes | Plant outdoors (spring) | Mar 21 – May 21 |
| Onions | Start seeds indoors (spring) | Feb 7 – Mar 6 |
| Onions | Transplant outdoors (spring) | Apr 7 – May 6 |
| Broccoli | Start seeds indoors (spring) | Mar 3 – Apr 6 |
| Broccoli | Transplant outdoors (spring) | Apr 7 – May 6 |
| Broccoli | Start seeds indoors (fall) | Jul 6 – Jul 16 |
| Broccoli | Transplant outdoors (fall) | Aug 5 – Aug 16 |
| Cabbage | Start seeds indoors (spring) | Feb 21 – Mar 21 |
| Cabbage | Transplant outdoors (spring) | Mar 21 – Apr 21 |
| Cabbage | Start seeds indoors (fall) | Jun 26 – Jul 26 |
| Cabbage | Transplant outdoors (fall) | Jul 26 – Aug 26 |
| Leaf lettuce | Sow outdoors (spring) | Mar 21 – Jun 6 |
| Leaf lettuce | Sow outdoors (fall) | Jul 26 – Sep 11 |
| Spinach | Sow outdoors (spring) | Mar 14 – Apr 27 |
| Spinach | Sow outdoors (fall) | Aug 12 – Sep 16 |
| Radishes | Sow outdoors (spring) | Mar 21 – May 11 |
| Radishes | Sow outdoors (fall) | Jul 26 – Sep 26 |
| Kale | Sow outdoors (spring) | Apr 7 – Apr 27 |
| Kale | Sow outdoors (fall) | Jul 19 – Aug 26 |
| Carrots | Sow outdoors (spring) | Apr 21 – Jun 6 |
| Carrots | Sow outdoors (fall) | Jun 26 – Aug 11 |
| Garlic | Plant outdoors (fall) | Oct 26 – Nov 26 |
Where these dates come from
ZIP code 14787 is matched to the NOAA station Westfield 2 Sse, NY, 3.1 km away, at 707 ft elevation (41 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Westfield 2 Sse, NY (used) | 707 ft | Apr 21 | Nov 5 |
| Portland1 Sw, NY | 808 ft | Apr 25 | Oct 31 |
| Fredonia, NY | 760 ft | Apr 25 | Nov 1 |
| Dunkirk, NY | 631 ft | Apr 30 | Oct 23 |
Frost dates near Westfield
- Mayville, NY 14757 · last May 8, first Oct 13
- Portland, NY 14769 · last Apr 25, first Nov 1
- Brocton, NY 14716 · last Apr 25, first Nov 1
- Ripley, NY 14775 · last Apr 21, first Nov 5
- Chautauqua, NY 14722 · last May 8, first Oct 13
- Dewittville, NY 14728 · last May 22, first Sep 30
- Stockton, NY 14784 · last May 8, first Oct 13
- Sherman, NY 14781 · last May 22, first Sep 30
Frequently asked questions
- When is the last frost in Westfield, NY?
- For ZIP code 14787, the average last spring frost (32°F) is April 21, based on NOAA 1991-2020 climate normals for the Westfield 2 Sse, NY weather station. There is a 1-in-10 chance of a frost after May 5.
- When is the first frost in Westfield, NY?
- The average first fall frost (32°F) is November 5. There is a 1-in-10 chance of frost by October 23, so tender plants are at risk from that point on.
- How long is the growing season in 14787?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 197 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.