Frost/Freeze Information for Bowling Green, Kentucky

 

Records:
Latest spring frost (36°):  May 27, 1961
Latest spring freeze (32°):  May 11, 1885
Latest spring hard freeze (28°):  April 26, 1873
Earliest final spring frost (36°):  March 23, 1967
Earliest final spring freeze (32°):  March 18, 1929 and March 18, 1935
Earliest final spring hard freeze (28°):  February 27, 1897
Earliest fall frost (36°):  September 13, 1902
Earliest fall freeze (32°):  September 28, 1899
Earliest fall hard freeze (28°):  October 4, 1888
Latest first fall frost (36°):  November 4 in 1900, 1950, and 1971
Latest first fall freeze (32°):  November 16, 1897
Latest first fall hard freeze (28°):  December 2, 1985 and December 2, 2004
Longest growing season:   223 days in 1941 and 2004
Shortest growing season:  163 days in 1909

Averages using the entire period of record:
Last spring frost (36°):  April 22
Last spring freeze (32°):  April 10
Last spring hard freeze (28°):  March 28
First fall frost (36°):  October 13
First fall freeze (32°):  October 24
First fall hard freeze (28°):  November 4

Normals, 1981-2010:
Last spring frost (36°):  April 21
Last spring freeze (32°):  April 9
Last spring hard freeze (28°):  March 29
First fall frost (36°):  October 17
First fall freeze (32°):  October 27
First fall hard freeze (28°):  November 6

 

 first fall 28

first 32

last 28

last 32

Areawide Frost/Freeze Information
Below is a series of maps showing average first and last dates for selected temperature thresholds.  Data were taken from about fifty area observing sites.  The data used were from each site's entire period of record (often stretching back into the 19th Century), and thus are averages rather than normals.  Due to the limited number of points for which data are available, there is some "bullseyeing" on the map.  These maps are for general information purposes only.  For more precise information for your exact location, consult the Kentucky Climate Center or the Indiana State Climate Office.

   Last 28 degree temperature in the spring
   Last 32 degree temperature in the spring
   Last 36 degree temperature in the spring
   First 36 degree temperature in the fall
   First 32 degree temperature in the fall
   First 28 degree temperature in the fall

 

Two tables of graphs follow.  The first shows average dates of last spring freeze/hard freeze and first fall freeze/hard freeze.  The y-axis shows how many times that event has occurred during each week given on the x-axis.  For example, the last spring freeze in Bowling Green has occurred during the week of April 29-May 5 five times (since available records began in 1893).

The second table shows how these average dates have changed over time.  We broke the historical record down into decades, and found the average date for each decade.  The average for the entire period of record is shown with a red line, for comparison.  Only decades with sufficient data were used.

Last spring freeze in Bowling Green Last spring 28 degree temperature in Bowling Green
First fall freeze in Bowling Green Average date of first 28 degree temperature in Bowling Green

 

Average date of last spring freeze in Bowling Green, decadal Average date of last 28 degree temperature in Bowling Green, decadal
Average date of first fall freeze in Bowling Green, decadal Average date of first fall hard freeze in Bowling Green, decadal


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