Frost dates by ZIP code: The nearest NOAA stations to your ZIP, 1991-2020 normals
Enter a five-digit ZIP code. PlainClimate finds its center (Census Bureau 2024) and the five nearest NOAA stations with frost dates, and shows each station's last spring and first autumn 32°F dates with its distance and elevation.
Frost dates near ZIP 44120
The USDA's 2023 Plant Hardiness Zone Map puts ZIP 44120 in zone 6b (the coldest night of a typical year: -5 to 0°F).
The nearest station, Cleveland Burke Airport, OH, is 6 miles from the ZIP's center: its last spring frost comes after April 8 in half of years and after April 20 in one year in ten. By the USDA's method its plant hardiness zone is 7a.
| Station | Distance | Elevation | Last frost (median) | 1 in 10 after | First frost (median) | Hardiness zone |
|---|---|---|---|---|---|---|
| Cleveland Burke Airport, OH | 6 mi | 584 ft | April 8 | April 20 | November 12 | 7a |
| Cleveland, OHCleveland-Hopkins International Airport | 15 mi | 763 ft | April 20 | May 5 | November 3 | 6b |
| Kirtland, OHKirtland-Holden 2 | 18 mi | 1,030 ft | April 26 | May 14 | October 31 | – |
| Chardon, OH | 22 mi | 1,130 ft | May 5 | May 21 | October 18 | 6a |
| Painesville, OH4 mi NW | 24 mi | 600 ft | April 15 | April 27 | November 9 | 7a |
Frost comes later in spring at higher and colder stations and earlier in low, open ground: prefer a station at a similar elevation to yours. Hardiness zone in the table: the USDA's rule (the average of each year's coldest night, 1991-2020) applied to the station's own record.
Every frost threshold at Cleveland Burke Airport
NOAA publishes the dates for several temperatures and odds. A 30% spring date means a 3-in-10 chance of a later frost (the convention almanacs use); 50% is the median; 10% the cautious date.
| Threshold | Spring, 10% | Spring, 30% | Spring, 50% | Spring, 90% | Autumn, 50% | Autumn, 10% |
|---|---|---|---|---|---|---|
| 36°F (light frost) | May 1 | April 24 | April 20 | April 8 | November 3 | October 21 |
| 32°F | April 20 | April 14 | April 8 | March 29 | November 12 | November 1 |
| 28°F (hard freeze) | April 13 | April 4 | April 1 | March 16 | November 22 | November 7 |
| 24°F | April 2 | March 27 | March 20 | March 4 | December 2 | November 15 |
Source: NOAA NCEI 1991-2020 annual normals; ZIP centers: Census Bureau 2024 Gazetteer; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026. Autumn 10%: one year in ten has its first frost before this date.