- July 1, 1979
- July 2, 1979 (Beginning of a storyline which was later adapted in A Charlie Brown Celebration and Why, Charlie Brown, Why? It was also later adapted as the book Get Well Soon Charlie Brown!)
- July 3, 1979
- July 4, 1979
- July 5, 1979
- July 6, 1979
- July 7, 1979 (Goof: The zigzag on Charlie Brown's shirt disappears in the first panel)
- July 8, 1979
- July 9, 1979
- July 10, 1979
- July 11, 1979 (According to this strip, Charlie Brown is eight and a half years old)
- July 12, 1979
- July 13, 1979
- July 14, 1979
- July 15, 1979
- July 16, 1979
- July 17, 1979
- July 18, 1979
- July 19, 1979
- July 20, 1979
- July 21, 1979
- July 22, 1979
- July 23, 1979
- July 24, 1979
- July 25, 1979
- July 26, 1979
- July 27, 1979
- July 28, 1979
- July 29, 1979
- July 30, 1979
- July 31, 1979
| ← June 1979 | August 1979 → |