Frost dates 2026–2027

Frost dates for King City, California

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at King City, 0.7 mi away (close match).

Last spring frostFeb 23
First fall frostNov 22
271 frost-free days
Last spring frostFeb 231 year in 10 after Mar 31
First fall frostNov 221 year in 10 by Nov 1
Growing season271 daysbetween median 32°F dates
Hardiness zoneZone 9a20 to 25°F average extreme low

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Will it freeze in King City in the next 7 nights?

No overnight lows at or below 32°F are forecast in King City during the next 7 nights in the available NWS frost forecast.

Tonight: forecast low 45°F. Above 36°F.

NWS forecast period: Thu, Nov 5, 6:00 PM PST to Fri, Nov 6, 6:00 AM PST.

No nights at or below 36°F in the National Weather Service forecast for the next 7 nights.

Overnight lows from the National Weather Service forecast for this location. This covers the available forecast window, not the first freeze of the whole season. Frost can form above 32°F on clear, calm nights.

Frost and freeze probabilities

Freeze dates shift from year to year. Spring percentages describe the chance of a freeze after the stated date; fall percentages describe the chance of a freeze by that date. The 10% spring date is the cautious one: a later freeze happens about 1 year in 10.

These dates describe historical probabilities, not this year’s forecast or the earliest and latest possible freezes. Different weather stations or probability thresholds can produce different published dates for the same city.

Average first hard freeze in King City

The median first fall hard-freeze date (28°F) is December 6, from NOAA’s 1991–2020 Climate Normals at King City. This is the 50% probability date, not a forecast for this year.

TemperatureLast spring date
90% · 50% · 10% chance of a later freeze
First fall date
10% · 50% · 90% chance of an earlier freeze
Season
36°F frost possible Mar 5 · Apr 7 · Apr 29 Oct 17 · Nov 4 · Nov 22 213 days
32°F freeze Jan 19 · Feb 23 · Mar 31 Nov 1 · Nov 22 · Dec 11 271 days
28°F hard freeze Dec 18 · Jan 22 · Feb 21 Nov 19 · Dec 6 · Jan 10 326 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00044555. How to read these probabilities.

Average high temperature by month

1991–2020 normals at King City

Average low temperature by month

Months with lows near or below freezing carry frost risk

Where these frost dates come from

The frost dates for King City, CA come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: King City (station USC00044555, elevation 320 ft), 0.7 mi from King City. Local conditions (valleys, hilltops, distance to water, city heat) can shift frost dates by days or weeks. The hardiness zone is from the 2023 USDA Plant Hardiness Zone Map (USDA ARS and Oregon State University PRISM). See our methodology.

Frost dates near King City

CityDistanceLast spring frostFirst fall frost
Greenfield, CA 9.9 mi Feb 23 Nov 22
Soledad, CA 18 mi Apr 23 Nov 3
Gonzales, CA 26 mi Jan 29 Dec 10
Salinas, CA 43 mi Jan 29 Dec 10
Coalinga, CA 45 mi Feb 14 Nov 30
Hollister, CA 47 mi Feb 19 Dec 1
Seaside, CA 47 mi Jan 2 Dec 23
Marina, CA 48 mi Feb 4 Dec 6
Paso Robles, CA 48 mi Mar 15 Nov 10
Monterey, CA 50 mi rare rare

Frequently asked questions

When is the last frost in King City?

On average, the last spring frost (32°F) in King City is around February 23. In about 1 year in 10 it comes after March 31, and in 9 years in 10 it comes after January 19.

When is the first frost in King City?

The first fall frost (32°F) usually arrives around November 22. There’s a 10% chance of a freeze by November 1 and a 90% chance by December 11.

Can it frost in King City after the last frost date?

Yes. Frost can form on clear, calm nights even when the air stays above 32°F. Temperatures of 36°F or lower, cold enough for frost on exposed plants, have a 50% chance of occurring after April 7.

What growing zone is King City?

King City is in USDA Plant Hardiness Zone 9a (average annual extreme minimum temperature 20 to 25°F), based on the 2023 USDA map for ZIP code 93930. See growing zones in California.

More: all California frost dates · California growing zones · frost vs. freeze