First and last freeze/frost dates for Bertram, TX ,United States

First and last freeze/frost dates for:
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Each winter, on average, your risk of frost is from November 11 through March 20.

Almost certainly, however, you will receive frost from November 29 through February 23.

You are almost guaranteed that you will not get frost from April 13 through October 25.

Your frost-free growing season is around 236 days.

Detailed station data* follows:

Burnet, TX (Burnet county):

Temperature10%20%30%40%50%60%70%80%90%
Spring 32° Apr 13 Apr 5 Mar 30 Mar 24 Mar 20 Mar 15 Mar 9 Mar 3 Feb 23
Spring 28° Mar 30 Mar 21 Mar 15 Mar 9 Mar 3 Feb 26 Feb 20 Feb 14 Feb 4
Spring 24° Mar 7 Feb 26 Feb 19 Feb 14 Feb 8 Feb 3 Jan 28 Jan 20 Jan 9
Fall 32° Oct 25 Oct 31 Nov 4 Nov 7 Nov 11 Nov 14 Nov 18 Nov 23 Nov 29
Fall 28° Nov 2 Nov 10 Nov 15 Nov 20 Nov 24 Nov 28 Dec 4 Dec 10 Dec 17
Fall 24° Nov 12 Nov 21 Nov 27 Dec 4 Dec 9 Dec 15 Dec 21 Dec 28 Jan 8

Lampasas, TX (Lampasas county):

Temperature10%20%30%40%50%60%70%80%90%
Spring 32° Apr 18 Apr 12 Apr 8 Apr 4 Apr 1 Mar 29 Mar 25 Mar 21 Mar 15
Spring 28° Apr 9 Apr 1 Mar 27 Mar 22 Mar 18 Mar 14 Mar 9 Mar 4 Feb 24
Spring 24° Mar 19 Mar 12 Mar 6 Mar 1 Feb 25 Feb 20 Feb 16 Feb 10 Feb 3
Fall 32° Oct 18 Oct 25 Oct 30 Nov 2 Nov 6 Nov 9 Nov 13 Nov 18 Nov 25
Fall 28° Oct 27 Nov 2 Nov 7 Nov 11 Nov 15 Nov 18 Nov 22 Nov 27 Dec 5
Fall 24° Nov 8 Nov 16 Nov 22 Nov 27 Dec 2 Dec 7 Dec 12 Dec 18 Dec 26

Llano, TX (Llano county):

Temperature10%20%30%40%50%60%70%80%90%
Spring 32° Apr 9 Apr 1 Mar 27 Mar 22 Mar 18 Mar 14 Mar 9 Mar 4 Feb 25
Spring 28° Mar 23 Mar 15 Mar 8 Mar 3 Feb 26 Feb 22 Feb 16 Feb 10 Feb 2
Spring 24° Mar 8 Feb 28 Feb 23 Feb 18 Feb 13 Feb 9 Feb 4 Jan 28 Jan 16
Fall 32° Oct 26 Oct 31 Nov 4 Nov 8 Nov 11 Nov 14 Nov 18 Nov 22 Nov 28
Fall 28° Nov 5 Nov 11 Nov 15 Nov 19 Nov 22 Nov 26 Nov 29 Dec 5 Dec 10
Fall 24° Nov 19 Nov 26 Dec 3 Dec 8 Dec 12 Dec 17 Dec 22 Dec 28 Jan 10

* 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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