Frost dates 2026–2027

Frost dates for Dos Palos, California

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Los Banos, 14 mi away (close match).

Last spring frostJan 26
First fall frostDec 10
322 frost-free days
Last spring frostJan 261 year in 10 after Feb 20
First fall frostDec 101 year in 10 by Nov 26
Growing season322 daysbetween median 32°F dates
Hardiness zoneZone 9a20 to 25°F average extreme low

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Will it freeze in Dos Palos in the next 7 nights?

No overnight lows at or below 32°F are forecast in Dos Palos 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 Dos Palos

The median first fall hard-freeze date (28°F) is December 24, from NOAA’s 1991–2020 Climate Normals at Los Banos. 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 Jan 26 · Feb 24 · Apr 3 Nov 12 · Nov 27 · Dec 11 273 days
32°F freeze Dec 29 · Jan 26 · Feb 20 Nov 26 · Dec 10 · Jan 4 322 days
28°F hard freeze Dec 17 · Jan 6 · Feb 4 Dec 6 · Dec 24 · Jan 19 356 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00045118. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Los Banos

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 Dos Palos, CA come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Los Banos (station USC00045118, elevation 120 ft), 14 mi from Dos Palos. 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 Dos Palos

CityDistanceLast spring frostFirst fall frost
Los Banos, CA 12 mi Jan 26 Dec 10
Firebaugh, CA 14 mi Feb 12 Nov 30
Mendota, CA 21 mi Feb 12 Nov 30
Chowchilla, CA 24 mi Feb 12 Nov 30
Merced, CA 24 mi Mar 3 Nov 24
Atwater, CA 25 mi Mar 3 Nov 24
Gustine, CA 27 mi Feb 26 Nov 29
Livingston, CA 28 mi Jan 6 Dec 20
Madera, CA 30 mi Feb 12 Nov 30
Newman, CA 31 mi Feb 26 Nov 29

Frequently asked questions

When is the last frost in Dos Palos?

On average, the last spring frost (32°F) in Dos Palos is around January 26. In about 1 year in 10 it comes after February 20, and in 9 years in 10 it comes after December 29.

When is the first frost in Dos Palos?

The first fall frost (32°F) usually arrives around December 10. There’s a 10% chance of a freeze by November 26 and a 90% chance by January 4.

Can it frost in Dos Palos 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 February 24.

What growing zone is Dos Palos?

Dos Palos 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 93665. See growing zones in California.

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