Frost Dates: First and last frost dates for San Jose, CA

In the Fall
Temperature 10% 20% 30% 40% 50% 60% 70% 80% 90%
First 16° -- -- -- -- -- -- -- -- --
First 20° -- -- -- -- -- -- -- -- --
First 24° -- -- -- -- -- -- -- -- --
First 28° Dec 14 Dec 30 Jan 20 -- -- -- -- -- --
First 32° Nov 24 Dec 5 Dec 12 Dec 19 Dec 26 Jan 2 Jan 11 Jan 28 --
First 36° Oct 31 Nov 10 Nov 17 Nov 23 Nov 29 Dec 4 Dec 10 Dec 17 Dec 27

In the Spring
Temperature 10% 20% 30% 40% 50% 60% 70% 80% 90%
Last 16° -- -- -- -- -- -- -- -- --
Last 20° -- -- -- -- -- -- -- -- --
Last 24° -- -- -- -- -- -- -- -- --
Last 28° Jan 16 Dec 30 Dec 7 -- -- -- -- -- --
Last 32° Feb 10 Feb 1 Jan 24 Jan 18 Jan 11 Jan 4 Dec 27 Dec 11 --
Last 36° Mar 17 Mar 6 Feb 26 Feb 19 Feb 13 Feb 7 Jan 31 Jan 23 Jan 12

Now that you know your frost dates, use our Garden Planting Calendar for San Jose, CA 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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