Last Frost Day

Frost history / Gentryville, MO

Gentryville, MO: frost dates by year

Last spring and first fall frost at NOAA station USC00233162, 2001 to 2011, measured from daily minimum temperatures.

Elevation 1,100 ft, 36.866, -92.361. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 10Oct 27
EarliestMar 26 (2010)Oct 13 (2006)
LatestMay 4 (2005)Nov 14 (2003)
Trend4.1 days earlier per decade0.7 days earlier per decade
Years with data1010

At 28°F (hard freeze) the median last spring date is Apr 3 and the median first fall date is Oct 31.

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 16Mar 31Apr 15Apr 30May 1520102002: Apr 62003: Apr 112004: Apr 22005: May 42006: Apr 92007: Apr 102008: Apr 302009: Apr 152010: Mar 262011: Apr 5

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 2620102001: Oct 172002: Oct 142003: Nov 142004: Nov 132005: Oct 262006: Oct 132007: Oct 292008: Oct 272009: Oct 182010: Oct 29

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
2011Apr 5no dataMar 17no data
2010Mar 26Oct 29Mar 23Nov 6
2009Apr 15Oct 18Apr 7Oct 18
2008Apr 30Oct 27Apr 30Oct 28
2007Apr 10Oct 29Apr 10Nov 2
2006Apr 9Oct 13Apr 9Oct 20
2005May 4Oct 26Mar 19Oct 26
2004Apr 2Nov 13Mar 18Nov 25
2003Apr 11Nov 14Mar 31Nov 24
2002Apr 6Oct 14Apr 6Nov 16
2001no dataOct 17no dataOct 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.