USDA Hardiness Zone 4b
Frost Dates for 12966 — North Bangor, New York
NOAA 1991–2020 normals from Malone, NY (878 ft), 5 miles east.
Updated
In North Bangor, 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 4, as early as September 21 one year in ten, leaving a typical freeze-free season of 151 days (NOAA, Malone, NY).
- Last spring frost
- May 6
- First fall frost
- October 4
- Growing season
- 151 days
- Hardiness zone
- 4b
50% probability
50% probability
freeze-free, 50%
-25 to -20°F (-31.7 to -28.9°C) coldest night
- First snow
- November 2
- Last snow
- April 18
- Winters with snow
- 100%
- Snow per year
- 98.1"
median, 1991–2020
median, 1991–2020
30 of 30 observed
NOAA normal
Frost risk by date in North Bangor
Half of springs at Malone, NY see their last 32°F night by May 6; only one in ten is past it by April 25, and one in ten still has one after May 21. Planting tender crops after May 13 leaves a 30% risk of a frost on them, after May 16 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 4 in half of years, as early as September 21 one year in ten, and holds off past October 21 one year in ten. A hard freeze of 28°F follows 14 days later, around October 18; 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 151 days in a typical year, shorter than at 72% of the 173 New York stations; it reaches 171 days one year in ten and falls short of 130 one year in ten. On average 166 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 12 days longer, to about May 18, and return around September 26. Severe cold of 16°F or below comes every winter, usually between November 17 and April 2.
| Low | 90% | 80% | 70% | 60% | 50% | 40% | 30% | 20% | 10% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | May 3 | May 8 | May 12 | May 16 | May 18 | May 21 | May 24 | May 28 | Jun 2 |
| 32°F | Apr 25 | Apr 29 | May 1 | May 4 | May 6 | May 9 | May 13 | May 16 | May 21 |
| 28°F | Apr 14 | Apr 18 | Apr 21 | Apr 23 | Apr 27 | Apr 30 | May 1 | May 4 | May 9 |
| 24°F | Apr 4 | Apr 8 | Apr 10 | Apr 13 | Apr 16 | Apr 18 | Apr 21 | Apr 23 | Apr 28 |
| 20°F | Mar 28 | Apr 1 | Apr 3 | Apr 5 | Apr 7 | Apr 9 | Apr 12 | Apr 15 | Apr 20 |
| 16°F | Mar 18 | Mar 24 | Mar 29 | Mar 31 | Apr 2 | Apr 4 | Apr 5 | Apr 8 | Apr 13 |
| Low | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Sep 10 | Sep 15 | Sep 19 | Sep 22 | Sep 26 | Sep 28 | Oct 1 | Oct 3 | Oct 8 |
| 32°F | Sep 21 | Sep 27 | Sep 30 | Oct 2 | Oct 4 | Oct 7 | Oct 11 | Oct 15 | Oct 21 |
| 28°F | Oct 2 | Oct 6 | Oct 11 | Oct 15 | Oct 18 | Oct 21 | Oct 26 | Oct 30 | Nov 3 |
| 24°F | Oct 13 | Oct 20 | Oct 25 | Oct 29 | Nov 1 | Nov 2 | Nov 5 | Nov 9 | Nov 14 |
| 20°F | Oct 29 | Nov 1 | Nov 3 | Nov 6 | Nov 9 | Nov 11 | Nov 14 | Nov 17 | Nov 23 |
| 16°F | Nov 4 | Nov 9 | Nov 12 | Nov 14 | Nov 17 | Nov 20 | Nov 24 | Nov 28 | Dec 2 |
Freeze probabilities 1991–2020 at Malone, 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 12966 →Compare North Bangor with another place →
Weather by month in North Bangor
July is the warmest month at Malone, NY, averaging 77°F by day and 59°F at night; January is the coldest at 24°F and 6°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 72% of years.
Warmth for growing adds up to 2,031 growing degree days a year (base 50°F), fewer than at 91% of the 173 New York stations. 31% of them (631) have built up by the end of June, and July adds the most, 553. Precipitation totals 39.9 inches a year, most in June (4.5") and least in February (2.0"); May to September bring 49% of it.
| Month | High °F | Low °F | Precip. in | 32°F night | Nights ≤ 32°F | GDD 50°F |
|---|---|---|---|---|---|---|
| Jan | 24 | 6 | 2.4 | 100% | 30 | 1 |
| Feb | 27 | 7 | 2.0 | 100% | 27 | 0 |
| Mar | 35 | 17 | 2.4 | 100% | 28 | 4 |
| Apr | 50 | 31 | 3.3 | 100% | 18 | 32 |
| May | 64 | 44 | 3.3 | 72% | 3 | 191 |
| Jun | 73 | 54 | 4.5 | 0% | 0 | 404 |
| Jul | 77 | 59 | 4.0 | 0% | 0 | 553 |
| Aug | 75 | 56 | 3.9 | 0% | 0 | 490 |
| Sep | 69 | 48 | 4.0 | 31% | 1 | 274 |
| Oct | 55 | 38 | 4.3 | 96% | 10 | 70 |
| Nov | 43 | 27 | 3.1 | 100% | 22 | 12 |
| Dec | 31 | 15 | 2.7 | 100% | 29 | 1 |
Monthly normals 1991–2020 at Malone, NY (878 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, Lawrenceville 3 SW, NY, 13 miles west of North Bangor and 412 feet lower, has a last frost 4 days later (May 10), a first frost 1 day later (October 5), a season 3 days shorter.
When it snows in North Bangor, New York
The first measurable snow (0.1 inch or more) in North Bangor usually arrives around November 2, and the last of the season around April 18. Those are the middle dates across the winters of 1991–2020 at Malone, NY, 5.4 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 18 days after the last snow.
Planting calendar for 12966
| 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 12 | Sow the autumn crop of carrots, beets and brassicasThey need about twelve weeks to size up before growth stops. |
| by September 20 | Harvest tender crops, or be ready to cover themA first freeze two weeks early is well within normal variation. |
| October 4 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 12966 is 5 miles from Malone, NY, which stands at 878 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 2 other ZIP codes share the station; its figures are presented in full for 12953 (Malone). The 2023 USDA Plant Hardiness Zone Map lists ZIP 12966 in zone 4b, the band where the coldest night of the year averaged -25 to -20°F (-31.7 to -28.9°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.