Frost dates 2026–2027

Frost dates for Sedalia, Missouri

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Sedalia Water Treatment Plant, 2.2 mi away (close match).

Last spring frostApr 18
First fall frostOct 22
186 frost-free days
Last spring frostApr 181 year in 10 after May 2
First fall frostOct 221 year in 10 by Oct 6
Growing season186 daysbetween median 32°F dates
Hardiness zoneZone 6b−5 to 0°F average extreme low

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Will it freeze in Sedalia in the next 7 nights?

The earliest overnight low at or below 32°F in the available NWS frost forecast is Fri, Nov 6: 30°F (Fri, Nov 6, 6:00 PM CST to Sat, Nov 7, 6:00 AM CST).

Tonight: forecast low 41°F. Above 36°F.

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

3 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 Sedalia

The median first fall hard-freeze date (28°F) is October 31, from NOAA’s 1991–2020 Climate Normals at Sedalia Water Treatment Plant. 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 12 · Apr 28 · May 12 Sep 26 · Oct 11 · Oct 23 165 days
32°F freeze Apr 1 · Apr 18 · May 2 Oct 6 · Oct 22 · Nov 1 186 days
28°F hard freeze Mar 19 · Apr 5 · Apr 22 Oct 18 · Oct 31 · Nov 13 207 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00237632. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Sedalia Water Treatment Plant

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 Sedalia, MO come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Sedalia Water Treatment Plant (station USC00237632, elevation 780 ft), 2.2 mi from Sedalia. 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 Sedalia

CityDistanceLast spring frostFirst fall frost
Warrensburg, MO 27 mi Apr 14 Oct 21
Marshall, MO 29 mi Apr 10 Oct 24
Boonville, MO 32 mi Apr 12 Oct 25
Clinton, MO 37 mi Apr 17 Oct 21
Odessa, MO 44 mi Apr 13 Oct 23
Osage Beach, MO 50 mi Mar 31 Nov 3
Columbia, MO 52 mi Apr 5 Oct 31
Oak Grove, MO 52 mi Apr 13 Oct 23
Ashland, MO 54 mi Apr 7 Oct 29
Richmond, MO 56 mi Apr 19 Oct 18

Frequently asked questions

When is the last frost in Sedalia?

On average, the last spring frost (32°F) in Sedalia is around April 18. In about 1 year in 10 it comes after May 2, and in 9 years in 10 it comes after April 1.

When is the first frost in Sedalia?

The first fall frost (32°F) usually arrives around October 22. There’s a 10% chance of a freeze by October 6 and a 90% chance by November 1.

Can it frost in Sedalia 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 28.

What growing zone is Sedalia?

Sedalia is in USDA Plant Hardiness Zone 6b (average annual extreme minimum temperature −5 to 0°F), based on the 2023 USDA map for ZIP code 65301. See growing zones in Missouri.

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