Frost dates 2026–2027

Frost dates for Buckeye, Arizona

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Litchfield Park, 17 mi away (reasonable match).

Last spring frostJan 7
First fall frostDec 24
351 frost-free days
Last spring frostJan 71 year in 10 after Feb 5
First fall frostDec 241 year in 10 by Dec 6
Growing season351 daysbetween median 32°F dates
Hardiness zoneZone 9b25 to 30°F average extreme low

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Will it freeze in Buckeye in the next 7 nights?

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

Tonight: forecast low 55°F. Above 36°F.

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

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 Buckeye

Most years have no 28°F hard freeze at Litchfield Park, 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 4 · Jan 31 · Feb 24 Nov 24 · Dec 9 · Dec 28 313 days
32°F freeze Dec 17 · Jan 7 · Feb 5 Dec 6 · Dec 24 · Jan 16 351 days
28°F hard freeze Dec 21 · Jan 5 · Jan 22 Dec 18 · Jan 4 · Jan 21 365 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00024977. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Litchfield Park

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 Buckeye, AZ come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Litchfield Park (station USC00024977, elevation 1,040 ft), 17 mi from Buckeye. 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 Buckeye

CityDistanceLast spring frostFirst fall frost
Litchfield Park, AZ 17 mi Jan 7 Dec 24
Surprise, AZ 20 mi Feb 5 Dec 11
Avondale, AZ 20 mi Jan 14 Dec 22
Goodyear, AZ 20 mi Jan 14 Dec 22
El Mirage, AZ 21 mi Jan 20 Dec 15
Youngtown, AZ 22 mi Jan 20 Dec 15
Tolleson, AZ 22 mi Jan 7 Dec 24
Glendale, AZ 27 mi Jan 20 Dec 15
Peoria, AZ 31 mi Feb 5 Dec 11
Phoenix, AZ 33 mi Jan 8 Dec 25

Frequently asked questions

When is the last frost in Buckeye?

On average, the last spring frost (32°F) in Buckeye is around January 7. In about 1 year in 10 it comes after February 5, and in 9 years in 10 it comes after December 17.

When is the first frost in Buckeye?

The first fall frost (32°F) usually arrives around December 24. There’s a 10% chance of a freeze by December 6 and a 90% chance by January 16.

Can it frost in Buckeye 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 Buckeye?

Buckeye 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 85343. See growing zones in Arizona.

More: all Arizona frost dates · Arizona growing zones · UV index today in Buckeye · frost vs. freeze