The best months to visit Russia are August and May. See monthly temperatures, rainfall and rain days (1991–2020 averages) to plan your trip.
Average daytime high and monthly rainfall in Russia: January -5°C / 36mm; February -5°C / 32mm; March 1°C / 33mm; April 10°C / 36mm; May 18°C / 58mm; June 21°C / 72mm; July 23°C / 77mm; August 22°C / 66mm; September 16°C / 57mm; October 8°C / 58mm; November 1°C / 44mm; December -3°C / 38mm.