Frost dates 2026–2027

Frost dates for Calhoun, Georgia

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

Last spring frostMar 29
First fall frostNov 3
219 frost-free days
Last spring frostMar 291 year in 10 after Apr 15
First fall frostNov 31 year in 10 by Oct 22
Growing season219 daysbetween median 32°F dates
Hardiness zoneZone 8a10 to 15°F average extreme low

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Will it freeze in Calhoun in the next 7 nights?

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

Tonight: forecast low 51°F. Above 36°F.

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

1 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 Calhoun

The median first fall hard-freeze date (28°F) is November 14, from NOAA’s 1991–2020 Climate Normals at Rome R B Russell Airport. 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 Mar 25 · Apr 11 · Apr 28 Oct 12 · Oct 25 · Nov 6 195 days
32°F freeze Mar 12 · Mar 29 · Apr 15 Oct 22 · Nov 3 · Nov 18 219 days
28°F hard freeze Feb 25 · Mar 16 · Apr 3 Oct 30 · Nov 14 · Dec 2 245 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USW00093801. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Rome R B Russell Airport

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 Calhoun, GA come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Rome R B Russell Airport (station USW00093801, elevation 639 ft), 17 mi from Calhoun. 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 Calhoun

CityDistanceLast spring frostFirst fall frost
Adairsville, GA 8.7 mi Apr 11 Oct 26
Dalton, GA 19 mi Apr 2 Nov 4
Chatsworth, GA 21 mi Apr 2 Nov 1
Rome, GA 22 mi Apr 1 Nov 3
Cartersville, GA 24 mi Apr 11 Oct 26
LaFayette, GA 24 mi Mar 25 Nov 9
Jasper, GA 29 mi Mar 31 Nov 5
Canton, GA 30 mi Apr 2 Nov 4
Acworth, GA 34 mi Apr 2 Nov 4
Holly Springs, GA 34 mi Apr 2 Nov 4

Frequently asked questions

When is the last frost in Calhoun?

On average, the last spring frost (32°F) in Calhoun is around March 29. In about 1 year in 10 it comes after April 15, and in 9 years in 10 it comes after March 12.

When is the first frost in Calhoun?

The first fall frost (32°F) usually arrives around November 3. There’s a 10% chance of a freeze by October 22 and a 90% chance by November 18.

Can it frost in Calhoun 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 April 11.

What growing zone is Calhoun?

Calhoun is in USDA Plant Hardiness Zone 8a (average annual extreme minimum temperature 10 to 15°F), based on the 2023 USDA map for ZIP code 30701. See growing zones in Georgia.

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