The Winter Haven Public Library will be closed in 2018 on:
| Monday, January 1 | New Year’s Day observed |
| Monday, January 15 | Dr. M. L. King, Jr. Day |
| Monday, February 19 | President’s Day |
| Monday, May 28 | Memorial Day |
| Wednesday, July 4 | Independence Day |
| Monday, September 3 | Labor Day |
| Friday, November 9 | Veteran’s Day |
| Thursday, November 22 | Thanksgiving Day |
| Friday, November 23 | Day after Thanksgiving |
| Monday, December 24 | Christmas Eve |
| Tuesday, December 25 | Christmas Day |
| Tuesday, January 1, 2019 | New Year’s Day |