The Months of the Year By Humbelina Jan 1, 2015 We celebrate New Year's Day in January. Period: Jan 1, 2015 to Dec 1, 2015 Months of the Year Feb 14, 2015 We celebrate Valentine's Day on February. Mar 17, 2015 We celebrate St. Patrick's Day in March. Apr 5, 2015 We celebrate Easter in April. May 25, 2015 We celebrate Memorial Day in May. Jun 21, 2015 We celebrate Father's Day in June. Jul 4, 2015 We celebrate Independence Day in July. Aug 24, 2015 We go back to school in August. Sep 7, 2015 We celebrate Labor Day in September. Oct 31, 2015 We celebrate Halloween in November. Nov 26, 2015 We celebrate Thanksgiving in November. Dec 25, 2015 We celebrate Christmas in December.