| Unnamed storm 1, 1939 West Pacific | Feb 11 – Feb 13 | — | — | Storm |
| Unnamed storm 2, 1939 West Pacific | May 1 – May 8 | — | — | Storm |
| Unnamed storm 3, 1939 West Pacific | May 26 – May 31 | — | — | Storm |
| Unnamed storm 4, 1939 West Pacific | Jul 2 – Jul 10 | — | — | Storm |
| Unnamed storm 5, 1939 West Pacific | Jul 3 – Jul 13 | — | — | Storm |
| Unnamed storm 6, 1939 West Pacific | Jul 10 – Jul 16 | — | — | Storm |
| Unnamed storm 7, 1939 West Pacific | Jul 16 – Jul 21 | — | — | Storm |
| Unnamed storm 8, 1939 West Pacific | Jul 21 – Jul 23 | — | — | Storm |
| Unnamed storm 9, 1939 West Pacific | Jul 21 – Jul 24 | — | — | Storm |
| Unnamed storm 10, 1939 West Pacific | Jul 24 – Aug 5 | — | — | Storm |
| Unnamed storm 11, 1939 West Pacific | Jul 27 – Jul 31 | — | — | Storm |
| Unnamed storm 12, 1939 West Pacific | Jul 27 – Jul 31 | — | — | Storm |
| Unnamed storm 13, 1939 West Pacific | Jul 30 – Aug 6 | — | — | Storm |
| Unnamed storm 14, 1939 West Pacific | Aug 1 – Aug 3 | — | — | Storm |
| Unnamed storm 15, 1939 West Pacific | Aug 3 – Aug 5 | — | — | Storm |
| Unnamed storm 16, 1939 West Pacific | Aug 4 – Aug 8 | — | — | Storm |
| Unnamed storm 17, 1939 West Pacific | Aug 8 – Aug 15 | — | — | Storm |
| Unnamed storm 18, 1939 West Pacific | Aug 9 – Aug 17 | — | — | Storm |
| Unnamed storm 19, 1939 West Pacific | Aug 11 – Aug 16 | — | — | Storm |
| Unnamed storm 20, 1939 West Pacific | Aug 19 – Sep 3 | — | — | Storm |
| Unnamed storm 21, 1939 West Pacific | Aug 20 – Aug 24 | — | — | Storm |
| Unnamed storm 22, 1939 West Pacific | Sep 1 – Sep 3 | — | — | Storm |
| Unnamed storm 23, 1939 West Pacific | Sep 11 – Sep 24 | — | — | Storm |
| Unnamed storm 24, 1939 West Pacific | Sep 12 – Sep 16 | — | — | Storm |
| Unnamed storm 25, 1939 West Pacific | Sep 17 – Sep 19 | — | — | Storm |
| Unnamed storm 26, 1939 West Pacific | Sep 29 – Sep 30 | — | — | Storm |
| Unnamed storm 27, 1939 West Pacific | Sep 30 – Oct 1 | — | — | Storm |
| Unnamed storm 28, 1939 West Pacific | Oct 1 – Oct 11 | — | — | Storm |
| Unnamed storm 29, 1939 West Pacific | Oct 6 – Oct 13 | — | — | Storm |
| Unnamed storm 30, 1939 West Pacific | Oct 9 – Oct 18 | — | — | Storm |
| Unnamed storm 31, 1939 West Pacific | Oct 20 – Oct 23 | — | — | Storm |
| Unnamed storm 32, 1939 West Pacific | Nov 4 – Nov 6 | — | — | Storm |
| Unnamed storm 33, 1939 West Pacific | Nov 7 – Nov 13 | — | — | Storm |
| Unnamed storm 34, 1939 West Pacific | Nov 19 – Nov 25 | — | — | Storm |
| Unnamed storm 35, 1939 West Pacific | Nov 30 – Dec 5 | — | — | Storm |
| Unnamed storm 36, 1939 West Pacific | Dec 5 – Dec 11 | — | — | Storm |
| Unnamed storm 37, 1939 West Pacific | Dec 16 – Dec 24 | — | — | Storm |
| Unnamed storm 38, 1939 West Pacific | Dec 22 – Dec 26 | — | — | Storm |