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 93706
The USDA's 2023 Plant Hardiness Zone Map puts ZIP 93706 in zone 9b (the coldest night of a typical year: 25 to 30°F).
The nearest station, Fresno (5 mi NE), CA, is 14 miles from the ZIP's center: its last spring frost comes after January 30 in half of years and after March 4 in one year in ten.
| Station | Distance | Elevation | Last frost (median) | 1 in 10 after | First frost (median) | Hardiness zone |
|---|---|---|---|---|---|---|
| Fresno (5 mi NE), CA | 14 mi | 338 ft | January 30 | March 4 | December 11 | – |
| Fresno, CAFresno Yosemite Int'l | 14 mi | 333 ft | January 14 | February 11 | December 14 | 9b |
| Madera station, CA | 22 mi | 270 ft | February 18 | March 18 | November 27 | – |
| Lemoore, CALemoore Reeves Naval Air Station | 22 mi | 232 ft | February 24 | March 30 | November 22 | 9a |
| Five Points (5 mi SSW), CA | 24 mi | 285 ft | February 27 | April 13 | 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 Fresno (5 mi NE)
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 3 | March 12 | March 2 | February 3 | November 27 | November 14 |
| 32°F | March 4 | February 10 | January 30 | January 1 | December 11 | November 25 |
| 28°F (hard freeze) | January 27 | January 13 | January 4 | December 16 | December 24 | December 5 |
| 24°F | January 12 | January 1 | December 28 | December 13 | December 26 | December 12 |
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.