Frost Dates: First and last frost dates for Primos Secane, Pennsylvania

In the Fall
Temperature 10% 20% 30% 40% 50% 60% 70% 80% 90%
First 16° Dec 10 Dec 17 Dec 22 Dec 27 Dec 31 Jan 4 Jan 8 Jan 13 Jan 21
First 20° Nov 28 Dec 4 Dec 8 Dec 12 Dec 15 Dec 18 Dec 21 Dec 26 Dec 31
First 24° Nov 16 Nov 22 Nov 25 Nov 29 Dec 2 Dec 5 Dec 8 Dec 12 Dec 17
First 28° Nov 3 Nov 9 Nov 12 Nov 16 Nov 19 Nov 22 Nov 25 Nov 29 Dec 5
First 32° Oct 20 Oct 25 Oct 29 Nov 1 Nov 4 Nov 7 Nov 10 Nov 13 Nov 18
First 36° Oct 12 Oct 17 Oct 20 Oct 23 Oct 26 Oct 29 Nov 1 Nov 4 Nov 9

In the Spring
Temperature 10% 20% 30% 40% 50% 60% 70% 80% 90%
Last 16° Mar 13 Mar 5 Feb 27 Feb 22 Feb 18 Feb 13 Feb 8 Feb 3 Jan 26
Last 20° Mar 24 Mar 18 Mar 14 Mar 10 Mar 6 Mar 3 Feb 27 Feb 23 Feb 16
Last 24° Mar 30 Mar 25 Mar 21 Mar 18 Mar 15 Mar 12 Mar 9 Mar 5 Feb 28
Last 28° Apr 9 Apr 4 Apr 1 Mar 29 Mar 26 Mar 23 Mar 20 Mar 16 Mar 11
Last 32° Apr 19 Apr 14 Apr 11 Apr 8 Apr 6 Apr 3 Apr 1 Mar 29 Mar 24
Last 36° Apr 27 Apr 23 Apr 20 Apr 18 Apr 15 Apr 13 Apr 10 Apr 7 Apr 3

Now that you know your frost dates, use our Garden Planting Calendar for Primos Secane, Pennsylvania to know when to sow and transplant your various vegetable plants!

Data is provided by the NOAA National Centers for Environmental Information. Photography by Garden.org member TBGDN.

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