Weather In London July 2024. July, recognised by an average high temperature of 22.3°c (72.1°f) and a low of 13.5°c (56.3°f), is london's warmest month. Get the monthly weather forecast for london, london, united kingdom, including daily high/low, historical averages, to help you plan ahead.
Weather forecast for london in july. July is known for its characteristic summer warmth in the city of london.