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 95207
The USDA's 2023 Plant Hardiness Zone Map puts ZIP 95207 in zone 9b (the coldest night of a typical year: 25 to 30°F).
The nearest station, Stockton Fire Station 4, CA, is 0 miles from the ZIP's center: its last spring frost comes after February 5 in half of years and after March 11 in one year in ten.
| Station | Distance | Elevation | Last frost (median) | 1 in 10 after | First frost (median) | Hardiness zone |
|---|---|---|---|---|---|---|
| Stockton Fire Station 4, CA | 0 mi | 12 ft | February 5 | March 11 | December 8 | – |
| Lodi, CA | 7 mi | 40 ft | February 9 | March 7 | December 5 | – |
| Stockton, CAStockton Metro Airport | 9 mi | 26 ft | February 6 | February 28 | December 1 | 9b |
| Tracy Pumping Plant, CA | 20 mi | 61 ft | January 19 | February 17 | December 10 | 9b |
| Tracy, CATracy Carbona | 22 mi | 135 ft | February 25 | April 6 | November 26 | – |
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 Stockton Fire Station 4
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) | April 13 | March 16 | March 4 | February 1 | November 20 | November 3 |
| 32°F | March 11 | February 19 | February 5 | December 27 | December 8 | November 17 |
| 28°F (hard freeze) | February 21 | January 28 | January 11 | December 12 | December 23 | December 1 |
| 24°F | January 29 | January 16 | January 3 | December 8 | December 31 | December 7 |
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.