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First and last freeze/frost dates for Oklahoma City, OK ,United States

First and last freeze/frost dates for:
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  Your results  
Each winter, on average, your risk of frost is from October 30 through April 4.

Almost certainly, however, you will receive frost from November 18 through March 22.

You are almost guaranteed that you will not get frost from April 16 through October 11.

Your frost-free growing season is around 209 days.

Detailed station data* follows:

El Reno, OK (Canadian county):

Temperature10%20%30%40%50%60%70%80%90%
Spring 32° Apr 16 Apr 12 Apr 9 Apr 6 Apr 4 Apr 1 Mar 30 Mar 27 Mar 22
Spring 28° Apr 12 Apr 6 Apr 1 Mar 28 Mar 24 Mar 21 Mar 17 Mar 12 Mar 6
Spring 24° Apr 4 Mar 27 Mar 21 Mar 16 Mar 11 Mar 6 Mar 1 Feb 23 Feb 15
Fall 32° Oct 11 Oct 17 Oct 22 Oct 26 Oct 30 Nov 2 Nov 6 Nov 11 Nov 18
Fall 28° Oct 21 Oct 29 Nov 2 Nov 7 Nov 11 Nov 15 Nov 20 Nov 25 Dec 3
Fall 24° Oct 27 Nov 3 Nov 9 Nov 14 Nov 19 Nov 24 Nov 29 Dec 6 Dec 14

Oklahoma City Wsfo Ap, OK (Oklahoma county):

Temperature10%20%30%40%50%60%70%80%90%
Spring 32° Apr 13 Apr 9 Apr 6 Apr 3 Apr 1 Mar 30 Mar 27 Mar 24 Mar 20
Spring 28° Apr 5 Mar 30 Mar 27 Mar 23 Mar 20 Mar 17 Mar 14 Mar 10 Mar 5
Spring 24° Mar 27 Mar 18 Mar 12 Mar 6 Mar 1 Feb 24 Feb 19 Feb 13 Feb 4
Fall 32° Oct 18 Oct 24 Oct 28 Oct 31 Nov 2 Nov 5 Nov 8 Nov 12 Nov 18
Fall 28° Oct 27 Nov 1 Nov 6 Nov 10 Nov 13 Nov 17 Nov 21 Nov 26 Dec 3
Fall 24° Nov 6 Nov 12 Nov 17 Nov 22 Nov 26 Dec 1 Dec 5 Dec 10 Dec 17

Kingfisher, OK (Kingfisher county):

Temperature10%20%30%40%50%60%70%80%90%
Spring 32° Apr 19 Apr 15 Apr 12 Apr 9 Apr 7 Apr 5 Apr 2 Mar 30 Mar 26
Spring 28° Apr 13 Apr 8 Apr 4 Mar 31 Mar 28 Mar 25 Mar 21 Mar 17 Mar 11
Spring 24° Apr 2 Mar 27 Mar 22 Mar 18 Mar 14 Mar 11 Mar 7 Mar 2 Feb 23
Fall 32° Oct 13 Oct 19 Oct 23 Oct 26 Oct 30 Nov 1 Nov 4 Nov 8 Nov 14
Fall 28° Oct 22 Oct 28 Oct 31 Nov 4 Nov 7 Nov 11 Nov 14 Nov 19 Nov 25
Fall 24° Oct 29 Nov 4 Nov 9 Nov 13 Nov 17 Nov 21 Nov 26 Dec 2 Dec 9

* This station data is available courtesy the National Climatic Data Center.

For each weather station, you will see a temperature along with tables of data organized into percentage columns. The percentage column tells you the probability that you will experience that row's temperature on or near that date. Here are two examples to help you determine your probable last frost and first freeze dates.

Example 1 (Last Frost). In the Spring 32° row, if you have "Apr 15" under the 50% column, that means you have a 50% chance of seeing frost on or before April 15th.

Example 2 (First Freeze). In the Fall 24° row, if you have "Dec 1" under the 90% column, that means you have a 90% chance of seeing 24 degrees on or after December 1st.

Empty cells indicate you have a less than 10% chance of ever seeing that temperature.


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