The best months to visit United Kingdom are July and August. See monthly temperatures, rainfall and rain days (1991–2020 averages) to plan your trip.
Average daytime high and monthly rainfall in United Kingdom: January 4°C / 55mm; February 7°C / 47mm; March 7°C / 43mm; April 9°C / 49mm; May 15°C / 52mm; June 14°C / 56mm; July 16°C / 55mm; August 16°C / 61mm; September 13°C / 48mm; October 11°C / 60mm; November 7°C / 64mm; December 6°C / 58mm.