- February 1, 1978
- February 2, 1978 (This strip is adapted in the episode "A Strong Personality", "Rain Out" and "It's Raining, It's Pouring!" from the 2014 French TV series Peanuts)
- February 3, 1978
- February 4, 1978
- February 5, 1978
- February 6, 1978
- February 7, 1978
- February 8, 1978
- February 9, 1978
- February 10, 1978
- February 11, 1978
- February 12, 1978
- February 13, 1978
- February 14, 1978
- February 15, 1978
- February 16, 1978
- February 17, 1978
- February 18, 1978
- February 19, 1978 (Pig-Pen´s only appearance of 1978 and his second and last appearance in the 1970´s)
- February 20, 1978 (This strip and the following one are adapted in She's a Good Skate, Charlie Brown)
- February 21, 1978
- February 22, 1978
- February 23, 1978 (The day that What a Nightmare, Charlie Brown first aired. This strip was adapted as a bumper in the 2014 TV series Peanuts)
- February 24, 1978
- February 25, 1978
- February 26, 1978 (This strip is adapted in the segment "Kite Flying" from The Charlie Brown and Snoopy Show episode "Linus and Lucy". Peppermint Patty replaces Lucy)
- February 27, 1978
- February 28, 1978
| ← January 1978 | March 1978 → |