City

Average Last Frost

Average First Frost

Alva

April 25

October 15

Bartlesville

April 29

October 7

Boise City

May 12

October 4

Idabel

April 15

October 25

Kingfisher

April 24

October 15

Lawton

April 15

October 21

Oklahoma City

April 15

October 16

Perry

April 19

October 16

Tulsa

April 13

SOctober 21

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Average First and Last Frost Dates For Oklahoma Cities

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