The best months to visit Croatia are April and October. See monthly temperatures, rainfall and rain days (1991–2020 averages) to plan your trip.
Average daytime high and monthly rainfall in Croatia: January 8°C / 51mm; February 14°C / 55mm; March 16°C / 59mm; April 19°C / 68mm; May 21°C / 87mm; June 27°C / 82mm; July 31°C / 76mm; August 31°C / 79mm; September 23°C / 96mm; October 18°C / 80mm; November 11°C / 81mm; December 6°C / 68mm.