USDA Hardiness Zone 5b
Frost Dates for 12094 — Johnsonville, New York
NOAA 1991–2020 normals from Buskirk, NY (499 ft), 4 miles northeast.
Updated
In Johnsonville, the last spring frost (32°F) is around May 6 in half of years and has passed by May 21 in nine years out of ten. The first fall frost comes around October 6, as early as September 22 one year in ten, leaving a typical freeze-free season of 154 days (NOAA, Buskirk, NY).
- Last spring frost
- May 6
- First fall frost
- October 6
- Growing season
- 154 days
- Hardiness zone
- 5b
50% probability
50% probability
freeze-free, 50%
-15 to -10°F (-26.1 to -23.3°C) coldest night
- First snow
- December 4
- Last snow
- March 23
- Winters with snow
- 100%
- Snow per year
- —
median, 1991–2020
median, 1991–2020
28 of 28 observed
NOAA normal
Frost risk by date in Johnsonville
Half of springs at Buskirk, NY see their last 32°F night by May 6; only one in ten is past it by April 24, and one in ten still has one after May 21. Planting tender crops after May 12 leaves a 30% risk of a frost on them, after May 15 20%, and after May 21 10%. The 15 days between the even-odds date and the one-in-ten date is narrower than at 29% of the 173 New York stations behind this site's ZIP pages.
In fall the first 32°F night comes by October 6 in half of years, as early as September 22 one year in ten, and holds off past October 24 one year in ten. A hard freeze of 28°F follows 14 days later, around October 20; in spring the one-in-ten date for 28°F is May 9, 12 days before the 32°F one. The freeze-free season lasts 154 days in a typical year, shorter than at 66% of the 173 New York stations; it reaches 174 days one year in ten and falls short of 132 one year in ten. On average 156 nights a year drop to 32°F or below. Nights of 36°F, when frost can still settle on leaves in low, open spots, continue 11 days longer, to about May 17, and return around September 26. Severe cold of 16°F or below comes every winter, usually between November 26 and March 23.
| Low | 90% | 80% | 70% | 60% | 50% | 40% | 30% | 20% | 10% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | May 4 | May 8 | May 12 | May 14 | May 17 | May 20 | May 24 | May 27 | Jun 1 |
| 32°F | Apr 24 | Apr 28 | Apr 30 | May 3 | May 6 | May 9 | May 12 | May 15 | May 21 |
| 28°F | Apr 10 | Apr 15 | Apr 19 | Apr 22 | Apr 25 | Apr 28 | May 1 | May 3 | May 9 |
| 24°F | Mar 31 | Apr 2 | Apr 5 | Apr 7 | Apr 10 | Apr 12 | Apr 16 | Apr 19 | Apr 23 |
| 20°F | Mar 17 | Mar 22 | Mar 27 | Mar 30 | Apr 1 | Apr 2 | Apr 4 | Apr 7 | Apr 11 |
| 16°F | Mar 10 | Mar 14 | Mar 18 | Mar 20 | Mar 23 | Mar 27 | Mar 29 | Apr 1 | Apr 3 |
| Low | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Sep 13 | Sep 17 | Sep 20 | Sep 23 | Sep 26 | Sep 29 | Oct 1 | Oct 5 | Oct 9 |
| 32°F | Sep 22 | Sep 28 | Oct 1 | Oct 3 | Oct 6 | Oct 9 | Oct 13 | Oct 17 | Oct 24 |
| 28°F | Oct 4 | Oct 9 | Oct 13 | Oct 16 | Oct 20 | Oct 24 | Oct 29 | Nov 1 | Nov 6 |
| 24°F | Oct 17 | Oct 23 | Oct 28 | Nov 1 | Nov 3 | Nov 6 | Nov 8 | Nov 12 | Nov 17 |
| 20°F | Oct 31 | Nov 4 | Nov 8 | Nov 11 | Nov 14 | Nov 17 | Nov 20 | Nov 25 | Dec 1 |
| 16°F | Nov 11 | Nov 16 | Nov 19 | Nov 22 | Nov 26 | Nov 29 | Dec 2 | Dec 6 | Dec 13 |
Freeze probabilities 1991–2020 at Buskirk, NY, from NOAA NCEI U.S. Climate Normals. Where a temperature is reached in fewer than 99.5% of years, the dates describe only the years that reach it. Not a forecast.
Frost risk on any date in 12094 →Compare Johnsonville with another place →
Compared with the next station
The nearest other station, Grafton, NY, 8 miles south of Johnsonville and 1,061 feet higher, has a last frost 5 days earlier (May 1), a first frost 5 days later (October 11), a season 8 days longer.
When it snows in Johnsonville, New York
The first measurable snow (0.1 inch or more) in Johnsonville usually arrives around December 4, and the last of the season around March 23. Those are the middle dates across the winters of 1991–2020 at Troy L&D, NY, 14.2 miles away: half of years saw snow earlier, half later. Every one of those winters saw snow. The last 32°F night of spring typically comes 44 days after the last snow.
Planting calendar for 12094
| When | What to do |
|---|---|
| February 25 – March 11 | Start peppers and aubergines indoorsThey need eight to ten weeks under lights before they can go out. |
| March 11 – March 25 | Start tomatoes indoorsSix to eight weeks gives a transplant big enough to set fruit early. |
| April 8 – April 22 | Sow peas, spinach, lettuce, radish outdoorsThese tolerate light frost and prefer to germinate in cool soil. |
| May 6 onward | Transplant tomatoes, peppers, basil, squash, cucumbersThe average last freeze has passed — still watch the actual forecast. |
| by July 14 | Sow the autumn crop of carrots, beets and brassicasThey need about twelve weeks to size up before growth stops. |
| by September 22 | Harvest tender crops, or be ready to cover themA first freeze two weeks early is well within normal variation. |
| October 6 onward | Plant garlic, mulch beds, lift tender bulbsGarlic wants a cold spell; bare soil loses structure over winter. |
The weeks before and after the 50% dates are general rules of thumb, not NOAA figures; a seed packet gives the timing for each variety.
Where these figures come from
ZIP 12094 is 4 miles from Buskirk, NY, which stands at 499 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 4 other ZIP codes share the station; its figures are presented in full for 12834 (Greenwich). The 2023 USDA Plant Hardiness Zone Map lists ZIP 12094 in zone 5b, the band where the coldest night of the year averaged -15 to -10°F (-26.1 to -23.3°C) over 1991–2020; a zone describes winter lows, not frost dates.
Hardiness zone and temperature range: USDA Plant Hardiness Zone Map 2023 (USDA-ARS, Oregon State University), ZIP-code listing, unchanged. °C converted from °F by this site.
Thirty-year averages, not a forecast: check the forecast before planting out. How stations are matched and which pages are offered to search engines: methodology.