Frost dates 2026–2027

Frost dates for Avondale, Arizona

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Laveen 3 Sse, 11 mi away (close match).

Last spring frostJan 14
First fall frostDec 22
343 frost-free days
Last spring frostJan 141 year in 10 after Feb 12
First fall frostDec 221 year in 10 by Dec 1
Growing season343 daysbetween median 32°F dates
Hardiness zoneZone 9b25 to 30°F average extreme low

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Will it freeze in Avondale in the next 7 nights?

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

Tonight: forecast low 54°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 Avondale

Most years have no 28°F hard freeze at Laveen 3 Sse, 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 8 · Feb 6 · Mar 1 Nov 22 · Dec 8 · Dec 24 302 days
32°F freeze Dec 19 · Jan 14 · Feb 12 Dec 1 · Dec 22 · Jan 22 343 days
28°F hard freeze Dec 13 · Jan 5 · Feb 3 Dec 11 · Jan 2 · Jan 30 365 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00024829. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Laveen 3 Sse

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 Avondale, AZ come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Laveen 3 Sse (station USC00024829, elevation 1,135 ft), 11 mi from Avondale. 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 Avondale

CityDistanceLast spring frostFirst fall frost
Goodyear, AZ 4.3 mi Jan 14 Dec 22
Tolleson, AZ 9.9 mi Jan 7 Dec 24
Litchfield Park, AZ 13 mi Jan 7 Dec 24
Glendale, AZ 17 mi Jan 20 Dec 15
Youngtown, AZ 19 mi Jan 20 Dec 15
El Mirage, AZ 19 mi Jan 20 Dec 15
Buckeye, AZ 20 mi Jan 7 Dec 24
Guadalupe, AZ 21 mi Feb 13 Dec 5
Phoenix, AZ 22 mi Jan 8 Dec 25
Tempe, AZ 24 mi Feb 13 Dec 5

Frequently asked questions

When is the last frost in Avondale?

On average, the last spring frost (32°F) in Avondale is around January 14. In about 1 year in 10 it comes after February 12, and in 9 years in 10 it comes after December 19.

When is the first frost in Avondale?

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

Can it frost in Avondale 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 6.

What growing zone is Avondale?

Avondale 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 85338. See growing zones in Arizona.

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