Frost dates for 14482Le Roy, NY
The average last spring frost in Le Roy is May 3 and the average first fall frost is October 16, giving a typical growing season of about 165 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- May 3
- Average first fall frost
- Oct 16
- Growing season
- 165 days
Safer after May 18 (1-in-10 risk)
Possible by Oct 1 (1-in-10 risk)
Last frost typically in 181 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 28 · May 11 · May 25 | Sep 22 · Oct 4 · Oct 19 | 144 days | 100% |
| Frost / freeze (32°F) | Apr 21 · May 3 · May 18 | Oct 1 · Oct 16 · Oct 29 | 165 days | 100% |
| Hard freeze (28°F) | Apr 7 · Apr 23 · May 8 | Oct 12 · Oct 29 · Nov 12 | 188 days | 100% |
Planting calendar for Le Roy
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 | Apr 2 – Jun 8 |
| Tomatoes | Transplant outdoors | May 19 – Jun 26 |
| Peppers | Start seeds indoors | Apr 2 – May 3 |
| Peppers | Transplant outdoors | Jun 2 – Jul 3 |
| Eggplant | Start seeds indoors | Apr 19 – May 18 |
| Eggplant | Transplant outdoors | Jun 2 – Jul 3 |
| Cucumbers | Sow outdoors | Jun 2 – Jul 6 |
| Summer squash | Sow outdoors | May 19 – Jul 3 |
| Winter squash & pumpkins | Sow outdoors | Jun 2 – Jul 3 |
| Snap beans | Sow outdoors | May 19 – Jul 29 |
| Sweet corn | Sow outdoors | May 19 – Jun 26 |
| Watermelon & cantaloupe | Sow outdoors | Jun 2 – Jul 3 |
| Okra | Sow outdoors | May 26 – Jun 18 |
| Peas | Sow outdoors (spring) | Apr 2 – May 18 |
| Potatoes | Plant outdoors (spring) | Apr 2 – Jun 2 |
| Onions | Start seeds indoors (spring) | Feb 19 – Mar 18 |
| Onions | Transplant outdoors (spring) | Apr 19 – May 18 |
| Broccoli | Start seeds indoors (spring) | Mar 15 – Apr 18 |
| Broccoli | Transplant outdoors (spring) | Apr 19 – May 18 |
| Broccoli | Start seeds indoors (fall) | Jun 16 – Jun 26 |
| Broccoli | Transplant outdoors (fall) | Jul 16 – Jul 27 |
| Cabbage | Start seeds indoors (spring) | Mar 5 – Apr 2 |
| Cabbage | Transplant outdoors (spring) | Apr 2 – May 3 |
| Cabbage | Start seeds indoors (fall) | Jun 6 – Jul 6 |
| Cabbage | Transplant outdoors (fall) | Jul 6 – Aug 6 |
| Leaf lettuce | Sow outdoors (spring) | Apr 2 – Jun 18 |
| Leaf lettuce | Sow outdoors (fall) | Jul 6 – Aug 22 |
| Spinach | Sow outdoors (spring) | Mar 26 – May 9 |
| Spinach | Sow outdoors (fall) | Jul 23 – Aug 27 |
| Radishes | Sow outdoors (spring) | Apr 2 – May 23 |
| Radishes | Sow outdoors (fall) | Jul 6 – Sep 6 |
| Kale | Sow outdoors (spring) | Apr 19 – May 9 |
| Kale | Sow outdoors (fall) | Jun 29 – Aug 6 |
| Carrots | Sow outdoors (spring) | May 3 – Jun 18 |
| Carrots | Sow outdoors (fall) | Jun 6 – Jul 22 |
| Garlic | Plant outdoors (fall) | Oct 6 – Nov 6 |
Where these dates come from
ZIP code 14482 is matched to the NOAA station Batavia, NY, 16 km away, at 913 ft elevation (21 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Batavia, NY (used) | 913 ft | May 3 | Oct 16 |
| Pavilion 2Ne, NY | 1,020 ft | May 2 | Oct 14 |
| Avon, NY | 545 ft | May 3 | Oct 15 |
| Wyoming 3W, NY | 1,559 ft | May 4 | Oct 17 |
Frost dates near Le Roy
- Pavilion, NY 14525 · last May 3, first Oct 16
- Stafford, NY 14143 · last May 3, first Oct 16
- South Byron, NY 14557 · last May 3, first Oct 16
- Mumford, NY 14511 · last May 3, first Oct 15
- Linwood, NY 14486 · last Apr 30, first Oct 17
- Caledonia, NY 14423 · last May 3, first Oct 15
- Bergen, NY 14416 · last Apr 24, first Oct 25
- Byron, NY 14422 · last May 3, first Oct 16
Frequently asked questions
- When is the last frost in Le Roy, NY?
- For ZIP code 14482, the average last spring frost (32°F) is May 3, based on NOAA 1991-2020 climate normals for the Batavia, NY weather station. There is a 1-in-10 chance of a frost after May 18.
- When is the first frost in Le Roy, NY?
- The average first fall frost (32°F) is October 16. There is a 1-in-10 chance of frost by October 1, so tender plants are at risk from that point on.
- How long is the growing season in 14482?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 165 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.