Frost dates 2026–2027

Frost dates for Turlock, California

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Turlock #2, 0.8 mi away (close match).

Last spring frostJan 6
First fall frostDec 20
351 frost-free days
Last spring frostJan 61 year in 10 after Jan 31
First fall frostDec 201 year in 10 by Dec 3
Growing season351 daysbetween median 32°F dates
Hardiness zoneZone 9b25 to 30°F average extreme low

Checking current alerts… View NWS forecast and alerts.

Will it freeze in Turlock in the next 7 nights?

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

Tonight: forecast low 47°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 Turlock

Most years have no 28°F hard freeze at Turlock #2, according to NOAA’s 1991–2020 Climate Normals. Check the short-term forecast above during cold snaps.

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 2 · Jan 31 · Feb 26 Nov 21 · Dec 7 · Jan 3 312 days
32°F freeze Dec 14 · Jan 6 · Jan 31 Dec 3 · Dec 20 · Jan 16 351 days
28°F hard freeze Dec 10 · Dec 30 · Jan 20 Dec 8 · Dec 24 · Jan 16 365 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00049073. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Turlock #2

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 Turlock, CA come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Turlock #2 (station USC00049073, elevation 103 ft), 0.8 mi from Turlock. 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 Turlock

CityDistanceLast spring frostFirst fall frost
Hughson, CA 6.8 mi Jan 31 Dec 5
Ceres, CA 8.7 mi Jan 31 Dec 5
Livingston, CA 11 mi Jan 6 Dec 20
Waterford, CA 11 mi Jan 31 Dec 5
Modesto, CA 12 mi Jan 31 Dec 5
Newman, CA 16 mi Feb 26 Nov 29
Riverbank, CA 16 mi Jan 31 Dec 5
Patterson, CA 16 mi Jan 31 Dec 5
Oakdale, CA 18 mi Jan 31 Dec 5
Atwater, CA 18 mi Mar 3 Nov 24

Frequently asked questions

When is the last frost in Turlock?

On average, the last spring frost (32°F) in Turlock is around January 6. In about 1 year in 10 it comes after January 31, and in 9 years in 10 it comes after December 14.

When is the first frost in Turlock?

The first fall frost (32°F) usually arrives around December 20. There’s a 10% chance of a freeze by December 3 and a 90% chance by January 16.

Can it frost in Turlock 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 January 31.

What growing zone is Turlock?

Turlock 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 95382. See growing zones in California.

More: all California frost dates · California growing zones · UV index today in Turlock · frost vs. freeze