USDA Hardiness Zone 5b
Frost Dates for 14737 — Franklinville, New York
NOAA 1991–2020 normals from Franklinville, NY (1,590 ft), 2 miles west.
Updated
In Franklinville, the last spring frost (32°F) is around May 14 in half of years and has passed by May 30 in nine years out of ten. The first fall frost comes around October 6, as early as September 23 one year in ten, leaving a typical freeze-free season of 144 days (NOAA, Franklinville, NY).
- Last spring frost
- May 14
- First fall frost
- October 6
- Growing season
- 144 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
- November 6
- Last snow
- April 13
- Winters with snow
- 100%
- Snow per year
- 108.6"
median, 1991–2020
median, 1991–2020
29 of 29 observed
NOAA normal
Frost risk by date in Franklinville
Half of springs at Franklinville, NY see their last 32°F night by May 14; only one in ten is past it by April 28, and one in ten still has one after May 30. Planting tender crops after May 22 leaves a 30% risk of a frost on them, after May 26 20%, and after May 30 10%. The 16 days between the even-odds date and the one-in-ten date is wider than at 71% 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 23 one year in ten, and holds off past October 20 one year in ten. A hard freeze of 28°F follows 13 days later, around October 19; in spring the one-in-ten date for 28°F is May 19, 11 days before the 32°F one. The freeze-free season lasts 144 days in a typical year, shorter than at 83% of the 173 New York stations; it reaches 165 days one year in ten and falls short of 122 one year in ten. On average 169 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 13 days longer, to about May 27, and return around September 26. Severe cold of 16°F or below comes every winter, usually between November 23 and March 31.
| Low | 90% | 80% | 70% | 60% | 50% | 40% | 30% | 20% | 10% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | May 10 | May 17 | May 21 | May 25 | May 27 | May 30 | Jun 1 | Jun 4 | Jun 10 |
| 32°F | Apr 28 | May 3 | May 7 | May 10 | May 14 | May 18 | May 22 | May 26 | May 30 |
| 28°F | Apr 19 | Apr 24 | Apr 27 | Apr 30 | May 2 | May 5 | May 9 | May 13 | May 19 |
| 24°F | Apr 6 | Apr 11 | Apr 15 | Apr 18 | Apr 21 | Apr 24 | Apr 27 | May 1 | May 6 |
| 20°F | Mar 27 | Apr 1 | Apr 3 | Apr 5 | Apr 8 | Apr 11 | Apr 14 | Apr 17 | Apr 22 |
| 16°F | Mar 17 | Mar 22 | Mar 26 | Mar 29 | Mar 31 | Apr 2 | Apr 4 | Apr 7 | Apr 11 |
| Low | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Sep 12 | Sep 17 | Sep 21 | Sep 23 | Sep 26 | Sep 29 | Oct 1 | Oct 4 | Oct 7 |
| 32°F | Sep 23 | Sep 29 | Oct 1 | Oct 4 | Oct 6 | Oct 9 | Oct 12 | Oct 16 | Oct 20 |
| 28°F | Oct 4 | Oct 9 | Oct 12 | Oct 16 | Oct 19 | Oct 22 | Oct 26 | Oct 30 | Nov 4 |
| 24°F | Oct 16 | Oct 22 | Oct 27 | Oct 31 | Nov 2 | Nov 5 | Nov 8 | Nov 12 | Nov 17 |
| 20°F | Nov 1 | Nov 4 | Nov 7 | Nov 11 | Nov 13 | Nov 16 | Nov 19 | Nov 23 | Nov 28 |
| 16°F | Nov 8 | Nov 13 | Nov 16 | Nov 19 | Nov 23 | Nov 26 | Nov 30 | Dec 2 | Dec 8 |
Freeze probabilities 1991–2020 at Franklinville, 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 14737 →Compare Franklinville with another place →
Weather by month in Franklinville
July is the warmest month at Franklinville, NY, averaging 79°F by day and 56°F at night; January is the coldest at 31°F and 14°F. A freezing night is all but certain in every month from October to April (a 90% chance or more). From June to August the chance of a 32°F night stays under 10% each month. In spring, May still brings one in 82% of years.
Warmth for growing adds up to 2,129 growing degree days a year (base 50°F), fewer than at 81% of the 173 New York stations. 32% of them (672) have built up by the end of June, and July adds the most, 547. Precipitation totals 44.7 inches a year, most in July (4.6") and least in February (2.5"); May to September bring 47% of it.
| Month | High °F | Low °F | Precip. in | 32°F night | Nights ≤ 32°F | GDD 50°F |
|---|---|---|---|---|---|---|
| Jan | 31 | 14 | 3.3 | 100% | 29 | 1 |
| Feb | 33 | 13 | 2.5 | 100% | 27 | 1 |
| Mar | 41 | 20 | 3.0 | 100% | 27 | 7 |
| Apr | 55 | 32 | 3.5 | 100% | 19 | 45 |
| May | 67 | 43 | 3.8 | 82% | 6 | 205 |
| Jun | 75 | 52 | 4.1 | 7% | <1 | 412 |
| Jul | 79 | 56 | 4.6 | 0% | 0 | 547 |
| Aug | 78 | 55 | 4.0 | 0% | 0 | 505 |
| Sep | 71 | 48 | 4.3 | 27% | 1 | 301 |
| Oct | 59 | 38 | 4.3 | 97% | 11 | 88 |
| Nov | 47 | 29 | 3.7 | 100% | 22 | 13 |
| Dec | 36 | 21 | 3.6 | 100% | 28 | 2 |
Monthly normals 1991–2020 at Franklinville, NY (1,590 ft), NOAA NCEI. "32°F night": chance of at least one in the month. GDD: growing degree days, base 50°F.
Compared with the next station
The nearest other station, Olean, NY, 18 miles south of Franklinville and 170 feet lower, has a last frost 7 days earlier (May 7), a first frost 5 days later (October 11), a season 12 days longer.
When it snows in Franklinville, New York
The first measurable snow (0.1 inch or more) in Franklinville usually arrives around November 6, and the last of the season around April 13. Those are the middle dates across the winters of 1991–2020 at Franklinville, NY, 1.7 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 31 days after the last snow.
Planting calendar for 14737
| When | What to do |
|---|---|
| March 5 – March 19 | Start peppers and aubergines indoorsThey need eight to ten weeks under lights before they can go out. |
| March 19 – April 2 | Start tomatoes indoorsSix to eight weeks gives a transplant big enough to set fruit early. |
| April 16 – April 30 | Sow peas, spinach, lettuce, radish outdoorsThese tolerate light frost and prefer to germinate in cool soil. |
| May 14 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 14737 is 2 miles from Franklinville, NY, which stands at 1,590 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 3 other ZIP codes share the station; its figures are presented in full for 14727 (Cuba). The 2023 USDA Plant Hardiness Zone Map lists ZIP 14737 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.