Last Frost Day

Frost history / Surprise, NE

Surprise, NE: frost dates by year

Last spring and first fall frost at NOAA station USC00258328, 1987 to 2025, measured from daily minimum temperatures.

Elevation 1,545 ft, 41.104, -97.309. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 28Oct 11
EarliestApr 9 (2006)Sep 15 (1993)
LatestMay 17 (2014)Oct 26 (2007)
Trend1.3 days later per decade3.6 days later per decade
Years with data3738

At 28°F (hard freeze) the median last spring date is Apr 17 and the median first fall date is Oct 17.

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 31Apr 15Apr 30May 15May 3019902000201020201987: Apr 121988: Apr 281989: May 71990: May 11991: Apr 111992: May 61993: Apr 211995: May 21996: Apr 301997: May 131998: Apr 181999: Apr 182000: Apr 212001: Apr 242002: May 22003: Apr 222004: May 32005: May 32006: Apr 92007: Apr 152008: Apr 282009: Apr 292010: Apr 162011: May 42012: Apr 232013: May 42014: May 172015: Apr 242016: Apr 132017: May 22018: Apr 282019: May 112020: Apr 212021: May 82022: Apr 272023: May 42024: Apr 24

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119902000201020201988: Oct 41989: Sep 231990: Oct 101991: Sep 191992: Oct 91993: Sep 151994: Oct 231995: Sep 221996: Oct 81997: Oct 141998: Oct 211999: Sep 212000: Sep 252001: Sep 252002: Oct 132003: Oct 172004: Oct 22005: Sep 292006: Oct 122007: Oct 262008: Oct 162009: Oct 42010: Oct 192011: Oct 192012: Sep 232013: Oct 172014: Oct 112015: Oct 162016: Oct 132017: Oct 112018: Oct 112019: Oct 122020: Oct 22021: Oct 142022: Oct 82023: Oct 72024: Oct 142025: Oct 22

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
2025no dataOct 22no dataOct 23
2024Apr 24Oct 14Apr 21Oct 14
2023May 4Oct 7Apr 23Oct 28
2022Apr 27Oct 8Apr 27Oct 8
2021May 8Oct 14Apr 22Oct 14
2020Apr 21Oct 2Apr 18Oct 24
2019May 11Oct 12Apr 14Oct 12
2018Apr 28Oct 11Apr 20Oct 15
2017May 2Oct 11Apr 28Oct 11
2016Apr 13Oct 13Apr 13Oct 13
2015Apr 24Oct 16Apr 23Oct 30
2014May 17Oct 11Apr 15Oct 29
2013May 4Oct 17Apr 25Oct 21
2012Apr 23Sep 23Mar 10Oct 6
2011May 4Oct 19Mar 29Oct 20
2010Apr 16Oct 19Apr 9Oct 28
2009Apr 29Oct 4Apr 15Oct 10
2008Apr 28Oct 16Apr 15Oct 27
2007Apr 15Oct 26Apr 9Oct 28
2006Apr 9Oct 12Mar 26Oct 12
2005May 3Sep 29Apr 2Oct 8
2004May 3Oct 2Apr 13Nov 4
2003Apr 22Oct 17Apr 9Oct 26
2002May 2Oct 13Apr 25Oct 31
2001Apr 24Sep 25Apr 17Oct 6
2000Apr 21Sep 25Apr 21Oct 6
1999Apr 18Sep 21Apr 18Oct 17
1998Apr 18Oct 21Apr 17Nov 6
1997May 13Oct 14May 13Oct 26
1996Apr 30Oct 8Apr 16Oct 24
1995May 2Sep 22Apr 13Sep 22
1994no dataOct 23no dataOct 25
1993Apr 21Sep 15Apr 5Oct 9
1992May 6Oct 9Apr 27Oct 17
1991Apr 11Sep 19Mar 31Sep 19
1990May 1Oct 10May 1Oct 10
1989May 7Sep 23May 1Oct 18
1988Apr 28Oct 4Apr 24Oct 28
1987Apr 12no dataApr 6no data

"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.