Frost dates 2026–2027

Frost dates for Galion, Ohio

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Galion Wtr Wks, 1.4 mi away (close match).

Last spring frostApr 26
First fall frostOct 20
176 frost-free days
Last spring frostApr 261 year in 10 after May 11
First fall frostOct 201 year in 10 by Oct 7
Growing season176 daysbetween median 32°F dates
Hardiness zoneZone 6a−10 to −5°F average extreme low

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Will it freeze in Galion in the next 7 nights?

No overnight lows at or below 32°F are forecast in Galion 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 EST to Fri, Nov 6, 6:00 AM EST.

4 of the next 7 nights are forecast at 36°F or colder, cold enough for frost on exposed plants.

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 Galion

The median first fall hard-freeze date (28°F) is October 31, from NOAA’s 1991–2020 Climate Normals at Galion Wtr Wks. 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 Apr 21 · May 5 · May 22 Sep 28 · Oct 9 · Oct 22 155 days
32°F freeze Apr 11 · Apr 26 · May 11 Oct 7 · Oct 20 · Nov 2 176 days
28°F hard freeze Mar 31 · Apr 15 · May 1 Oct 17 · Oct 31 · Nov 15 197 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00333021. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Galion Wtr Wks

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 Galion, OH come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Galion Wtr Wks (station USC00333021, elevation 1,170 ft), 1.4 mi from Galion. 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 Galion

CityDistanceLast spring frostFirst fall frost
Ontario, OH 8.7 mi Apr 30 Oct 15
Bucyrus, OH 11 mi Apr 19 Oct 27
Shelby, OH 12 mi Apr 30 Oct 15
Mansfield, OH 13 mi Apr 26 Oct 22
Marion, OH 21 mi Apr 25 Oct 20
Willard, OH 22 mi Apr 25 Oct 25
Ashland, OH 26 mi Apr 30 Oct 15
Upper Sandusky, OH 26 mi Apr 29 Oct 17
Mount Vernon, OH 29 mi May 1 Oct 10
Tiffin, OH 34 mi Apr 23 Oct 23

Frequently asked questions

When is the last frost in Galion?

On average, the last spring frost (32°F) in Galion is around April 26. In about 1 year in 10 it comes after May 11, and in 9 years in 10 it comes after April 11.

When is the first frost in Galion?

The first fall frost (32°F) usually arrives around October 20. There’s a 10% chance of a freeze by October 7 and a 90% chance by November 2.

Can it frost in Galion 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 May 5.

What growing zone is Galion?

Galion is in USDA Plant Hardiness Zone 6a (average annual extreme minimum temperature −10 to −5°F), based on the 2023 USDA map for ZIP code 44833. See growing zones in Ohio.

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