Frost dates 2026–2027

Frost dates for Charlotte, Michigan

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Charlotte, 1.2 mi away (close match).

Last spring frostMay 1
First fall frostOct 15
164 frost-free days
Last spring frostMay 11 year in 10 after May 18
First fall frostOct 151 year in 10 by Oct 1
Growing season164 daysbetween median 32°F dates
Hardiness zoneZone 6a−10 to −5°F average extreme low

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Will it freeze in Charlotte in the next 7 nights?

The earliest overnight low at or below 32°F in the available NWS frost forecast is Fri, Nov 6: 32°F (Fri, Nov 6, 6:00 PM EST to Sat, Nov 7, 6:00 AM EST).

Tonight: forecast low 36°F. Frost possible.

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

6 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 Charlotte

The median first fall hard-freeze date (28°F) is October 28, from NOAA’s 1991–2020 Climate Normals at Charlotte. 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 29 · May 13 · May 28 Sep 21 · Oct 3 · Oct 16 141 days
32°F freeze Apr 19 · May 1 · May 18 Oct 1 · Oct 15 · Oct 29 164 days
28°F hard freeze Apr 7 · Apr 20 · May 6 Oct 12 · Oct 28 · Nov 10 188 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00201476. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Charlotte

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 Charlotte, MI come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Charlotte (station USC00201476, elevation 902 ft), 1.2 mi from Charlotte. 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 Charlotte

CityDistanceLast spring frostFirst fall frost
Eaton Rapids, MI 9.9 mi Apr 30 Oct 14
Grand Ledge, MI 14 mi May 1 Oct 13
Lansing, MI 17 mi May 1 Oct 13
Mason, MI 20 mi Apr 28 Oct 17
East Lansing, MI 22 mi Apr 28 Oct 17
Marshall, MI 22 mi Apr 30 Oct 19
Albion, MI 22 mi May 1 Oct 14
Hastings, MI 24 mi May 3 Oct 12
Springfield, MI 27 mi Apr 30 Oct 19
Battle Creek, MI 27 mi Apr 30 Oct 19

Frequently asked questions

When is the last frost in Charlotte?

On average, the last spring frost (32°F) in Charlotte is around May 1. In about 1 year in 10 it comes after May 18, and in 9 years in 10 it comes after April 19.

When is the first frost in Charlotte?

The first fall frost (32°F) usually arrives around October 15. There’s a 10% chance of a freeze by October 1 and a 90% chance by October 29.

Can it frost in Charlotte 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 13.

What growing zone is Charlotte?

Charlotte 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 48813. See growing zones in Michigan.

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