Frost dates 2026–2027

Frost dates for Huron, California

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Five Points 5 Ssw, 12 mi away (close match).

Last spring frostFeb 27
First fall frostNov 26
271 frost-free days
Last spring frostFeb 271 year in 10 after Apr 13
First fall frostNov 261 year in 10 by Nov 8
Growing season271 daysbetween median 32°F dates
Hardiness zoneZone 9b25 to 30°F average extreme low

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Will it freeze in Huron in the next 7 nights?

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

Tonight: forecast low 46°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 Huron

The median first fall hard-freeze date (28°F) is December 9, from NOAA’s 1991–2020 Climate Normals at Five Points 5 Ssw. 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 Feb 27 · Apr 3 · May 13 Oct 26 · Nov 12 · Nov 26 221 days
32°F freeze Jan 21 · Feb 27 · Apr 13 Nov 8 · Nov 26 · Dec 16 271 days
28°F hard freeze Dec 20 · Jan 21 · Mar 12 Nov 23 · Dec 9 · Jan 12 328 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00043083. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Five Points 5 Ssw

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 Huron, CA come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Five Points 5 Ssw (station USC00043083, elevation 285 ft), 12 mi from Huron. 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 Huron

CityDistanceLast spring frostFirst fall frost
Avenal, CA 12 mi Feb 19 Nov 29
Coalinga, CA 14 mi Feb 14 Nov 30
Lemoore, CA 18 mi Feb 24 Nov 22
Hanford, CA 26 mi Feb 7 Dec 1
Corcoran, CA 31 mi Feb 15 Nov 27
Kerman, CA 36 mi Feb 18 Nov 27
Kingsburg, CA 37 mi Feb 20 Nov 23
Selma, CA 37 mi Jan 30 Dec 11
Fowler, CA 37 mi Jan 30 Dec 11
Mendota, CA 42 mi Feb 12 Nov 30

Frequently asked questions

When is the last frost in Huron?

On average, the last spring frost (32°F) in Huron is around February 27. In about 1 year in 10 it comes after April 13, and in 9 years in 10 it comes after January 21.

When is the first frost in Huron?

The first fall frost (32°F) usually arrives around November 26. There’s a 10% chance of a freeze by November 8 and a 90% chance by December 16.

Can it frost in Huron 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 3.

What growing zone is Huron?

Huron is in USDA Plant Hardiness Zone 9b (average annual extreme minimum temperature 25 to 30°F), based on the 2023 USDA map for ZIP code 93234. See growing zones in California.

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