The best months to visit Romania are September and August. See monthly temperatures, rainfall and rain days (1991–2020 averages) to plan your trip.
Average daytime high and monthly rainfall in Romania: January 3°C / 39mm; February 10°C / 34mm; March 12°C / 47mm; April 17°C / 58mm; May 19°C / 71mm; June 26°C / 89mm; July 28°C / 79mm; August 27°C / 49mm; September 22°C / 61mm; October 16°C / 52mm; November 7°C / 45mm; December 4°C / 46mm.