Frost dates 2026–2027

Frost dates for Davison, Michigan

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Burton 4N, 4.5 mi away (close match).

Last spring frostMay 8
First fall frostOct 5
148 frost-free days
Last spring frostMay 81 year in 10 after May 22
First fall frostOct 51 year in 10 by Sep 22
Growing season148 daysbetween median 32°F dates
Hardiness zoneZone 6a−10 to −5°F average extreme low

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Will it freeze in Davison in the next 7 nights?

The earliest overnight low at or below 32°F in the available NWS frost forecast is Sat, Nov 7: 29°F (Sat, Nov 7, 6:00 PM EST to Sun, Nov 8, 6:00 AM EST).

Tonight: forecast low 37°F. Above 36°F.

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

5 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 Davison

The median first fall hard-freeze date (28°F) is October 19, from NOAA’s 1991–2020 Climate Normals at Burton 4N. 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 May 6 · May 20 · Jun 3 Sep 12 · Sep 25 · Oct 7 126 days
32°F freeze Apr 28 · May 8 · May 22 Sep 22 · Oct 5 · Oct 19 148 days
28°F hard freeze Apr 18 · Apr 29 · May 13 Oct 4 · Oct 19 · Nov 1 170 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00201150. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Burton 4N

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 Davison, MI come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Burton 4N (station USC00201150, elevation 757 ft), 4.5 mi from Davison. 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 Davison

CityDistanceLast spring frostFirst fall frost
Burton, MI 5.6 mi May 8 Oct 5
Grand Blanc, MI 8.7 mi May 1 Oct 14
Flint, MI 8.7 mi May 3 Oct 13
Lapeer, MI 9.9 mi May 4 Oct 14
Swartz Creek, MI 16 mi May 6 Oct 10
Flushing, MI 17 mi May 3 Oct 13
Holly, MI 17 mi May 3 Oct 12
Fenton, MI 19 mi May 3 Oct 12
Frankenmuth, MI 24 mi May 3 Oct 12
Auburn Hills, MI 29 mi Apr 26 Oct 22

Frequently asked questions

When is the last frost in Davison?

On average, the last spring frost (32°F) in Davison is around May 8. In about 1 year in 10 it comes after May 22, and in 9 years in 10 it comes after April 28.

When is the first frost in Davison?

The first fall frost (32°F) usually arrives around October 5. There’s a 10% chance of a freeze by September 22 and a 90% chance by October 19.

Can it frost in Davison 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 20.

What growing zone is Davison?

Davison 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 48423. See growing zones in Michigan.

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