Frost dates for 13154South Butler, NY
The average last spring frost in South Butler is May 6 and the average first fall frost is October 10, giving a typical growing season of about 158 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- May 6
- Average first fall frost
- Oct 10
- Growing season
- 158 days
Safer after May 21 (1-in-10 risk)
Possible by Sep 27 (1-in-10 risk)
Last frost typically in 184 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) | May 4 · May 19 · Jun 3 | Sep 16 · Sep 29 · Oct 13 | 133 days | 100% |
| Frost / freeze (32°F) | Apr 24 · May 6 · May 21 | Sep 27 · Oct 10 · Oct 28 | 158 days | 100% |
| Hard freeze (28°F) | Apr 10 · Apr 25 · May 12 | Oct 6 · Oct 25 · Nov 8 | 181 days | 100% |
Planting calendar for South Butler
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 5 – Jun 11 |
| Tomatoes | Transplant outdoors | May 22 – Jun 20 |
| Peppers | Start seeds indoors | Apr 5 – May 6 |
| Peppers | Transplant outdoors | Jun 5 – Jul 6 |
| Eggplant | Start seeds indoors | Apr 22 – May 21 |
| Eggplant | Transplant outdoors | Jun 5 – Jul 6 |
| Cucumbers | Sow outdoors | Jun 5 – Jun 30 |
| Summer squash | Sow outdoors | May 22 – Jul 6 |
| Winter squash & pumpkins | Sow outdoors | Jun 5 – Jul 6 |
| Snap beans | Sow outdoors | May 22 – Jul 23 |
| Sweet corn | Sow outdoors | May 22 – Jun 20 |
| Watermelon & cantaloupe | Sow outdoors | Jun 5 – Jul 6 |
| Okra | Sow outdoors | May 29 – Jun 21 |
| Peas | Sow outdoors (spring) | Apr 5 – May 21 |
| Potatoes | Plant outdoors (spring) | Apr 5 – Jun 5 |
| Onions | Start seeds indoors (spring) | Feb 22 – Mar 21 |
| Onions | Transplant outdoors (spring) | Apr 22 – May 21 |
| Broccoli | Start seeds indoors (spring) | Mar 18 – Apr 21 |
| Broccoli | Transplant outdoors (spring) | Apr 22 – May 21 |
| Broccoli | Start seeds indoors (fall) | Jun 10 – Jun 20 |
| Broccoli | Transplant outdoors (fall) | Jul 10 – Jul 21 |
| Cabbage | Start seeds indoors (spring) | Mar 8 – Apr 5 |
| Cabbage | Transplant outdoors (spring) | Apr 5 – May 6 |
| Cabbage | Start seeds indoors (fall) | May 31 – Jun 30 |
| Cabbage | Transplant outdoors (fall) | Jun 30 – Jul 31 |
| Leaf lettuce | Sow outdoors (spring) | Apr 5 – Jun 21 |
| Leaf lettuce | Sow outdoors (fall) | Jun 30 – Aug 16 |
| Spinach | Sow outdoors (spring) | Mar 29 – May 12 |
| Spinach | Sow outdoors (fall) | Jul 17 – Aug 21 |
| Radishes | Sow outdoors (spring) | Apr 5 – May 26 |
| Radishes | Sow outdoors (fall) | Jun 30 – Aug 31 |
| Kale | Sow outdoors (spring) | Apr 22 – May 12 |
| Kale | Sow outdoors (fall) | Jun 23 – Jul 31 |
| Carrots | Sow outdoors (spring) | May 6 – Jun 21 |
| Carrots | Sow outdoors (fall) | May 31 – Jul 16 |
| Garlic | Plant outdoors (fall) | Sep 30 – Oct 31 |
Where these dates come from
ZIP code 13154 is matched to the NOAA station Sodus 1W, NY, 28.2 km away, at 444 ft elevation (34 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Sodus 1W, NY (used) | 444 ft | May 6 | Oct 10 |
| Auburn, NY | 770 ft | May 2 | Oct 18 |
| Fulton, NY | 360 ft | Apr 27 | Oct 24 |
| Geneva Rsch Farm, NY | 718 ft | Apr 30 | Oct 21 |
Frost dates near South Butler
- Savannah, NY 13146 · last May 6, first Oct 10
- Rose, NY 14542 · last May 6, first Oct 10
- Clyde, NY 14433 · last May 6, first Oct 10
- Red Creek, NY 13143 · last Apr 22, first Oct 29
- Wolcott, NY 14590 · last May 6, first Oct 10
- North Rose, NY 14516 · last May 6, first Oct 10
- Port Byron, NY 13140 · last May 2, first Oct 18
- Montezuma, NY 13117 · last May 2, first Oct 18
Frequently asked questions
- When is the last frost in South Butler, NY?
- For ZIP code 13154, the average last spring frost (32°F) is May 6, based on NOAA 1991-2020 climate normals for the Sodus 1W, NY weather station. There is a 1-in-10 chance of a frost after May 21.
- When is the first frost in South Butler, NY?
- The average first fall frost (32°F) is October 10. There is a 1-in-10 chance of frost by September 27, so tender plants are at risk from that point on.
- How long is the growing season in 13154?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 158 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.