- July 1, 1989
- July 2, 1989
- July 3, 1989 (Lucy's first appearance since May 27, 1989)
- July 4, 1989 (This strip is adapted for the end credits of The Peanuts Movie. Linus' first appearance since May 29, 1989)
- July 5, 1989
- July 6, 1989
- July 7, 1989 (This strip is adapted in It's Spring Training, Charlie Brown!)
- July 8, 1989 (A rare, late appearance by Violet Gray)
- July 9, 1989 (This strip is adapted in A Charlie Brown Valentine and in the shorts "The Little Red-Haired Girl" and "Third Person" from the 2014 French TV series Peanuts)
- July 10, 1989
- July 11, 1989 (This strip is used on the page for September 23 of the Dayspring Peanuts A Year's Worth of Smiles and Blessings Desk Calendar)
- July 12, 1989
- July 13, 1989
- July 14, 1989
- July 15, 1989 (This strip makes an appearance in Get Ready for School, Charlie Brown!, especially on the back of its big box of this PC game)
- July 16, 1989 (The title panel of this strip is adapted in the book Calling All Cookies!)
- July 17, 1989
- July 18, 1989
- July 19, 1989
- July 20, 1989 (The first reference to The Unnamed Ponytailed Girl)
- July 21, 1989 (This strip and the following strip are adapted in the episode "Good for Nothing" from the 2014 French TV series Peanuts)
- July 22, 1989
- July 23, 1989
- July 24, 1989
- July 25, 1989 (This strip is adapted in the episode "Good for Nothing" from the 2014 French TV series Peanuts)
- July 26, 1989
- July 27, 1989
- July 28, 1989 (The Unnamed Ponytailed Girl's first appearance. This strip is adapted in the episode "Good for Nothing" from the 2014 French TV series Peanuts)
- July 29, 1989
- July 30, 1989
- July 31, 1989
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