Last Frost Day

Frost history / Waverly, MO

Waverly, MO: frost dates by year

Last spring and first fall frost at NOAA station USC00238770, 2011 to 2025, measured from daily minimum temperatures.

Elevation 800 ft, 39.210, -93.530. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 8Oct 31
EarliestMar 6 (2012)Oct 16 (2018)
LatestMay 4 (2013)Nov 21 (2024)
Trend5.7 days later per decade1.4 days earlier per decade
Years with data1415

At 28°F (hard freeze) the median last spring date is Mar 27 and the median first fall date is Nov 10.

The trend is a straight-line fit through the years with a freeze. A positive spring trend means the last frost now comes later. Short or patchy records give noisy trends.

Chart

Last spring frost (32°F)

Mar 1Mar 16Mar 31Apr 15Apr 30May 1520202011: Mar 282012: Mar 62013: May 42014: Apr 162015: Mar 282016: Apr 102017: Mar 162018: Apr 202019: Apr 12020: Apr 192021: Apr 232023: Apr 62024: Mar 282025: Apr 9

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 2620202011: Nov 112012: Oct 272013: Oct 252014: Nov 12015: Nov 202016: Nov 192017: Oct 282018: Oct 162019: Oct 312020: Oct 262021: Nov 32022: Oct 182023: Oct 302024: Nov 212025: Nov 2

Dots are single years. The gray line is the median, the green line the fitted trend.

Year by year

YearLast spring 32°FFirst fall 32°FLast spring 28°FFirst fall 28°F
2025Apr 9Nov 2Apr 9Nov 10
2024Mar 28Nov 21Mar 28Nov 23
2023Apr 6Oct 30Mar 20Oct 30
2022no dataOct 18no dataOct 18
2021Apr 23Nov 3Apr 2Nov 4
2020Apr 19Oct 26Mar 22Nov 11
2019Apr 1Oct 31Mar 31Oct 31
2018Apr 20Oct 16Apr 17Nov 10
2017Mar 16Oct 28Mar 16Oct 29
2016Apr 10Nov 19Apr 9Nov 20
2015Mar 28Nov 20Mar 7Nov 22
2014Apr 16Nov 1Mar 27Nov 1
2013May 4Oct 25Apr 3Nov 12
2012Mar 6Oct 27Mar 6Oct 28
2011Mar 28Nov 11Mar 7Nov 17

"none" means the station recorded no freeze at that threshold in that half of the year. "no data" means more than 10% of the season's daily readings were missing. Years with no usable data are left out. See the methodology for the rules, and the ZIP lookup for 1991 to 2020 frost probabilities.