Experience the charm of London's mild and often drizzly climate, with an average annual rainfall of 590mm. The best time to visit is from May to September when temperatures range between a refreshing 15°C (59°F) and a pleasant 22°C (72°F). Did you know London receives more sunshine hours in winter than New York City? Embrace this fact by strolling along the River Thames during a sunset, capturing iconic cityscapes against the backdrop of a setting sun.
Today's Forecast
5-Day Forecast
London Climate & Weather Averages
London is warmest in July, when daytime highs average 73°F, and coldest in January at around 46°F. The wettest month is October. The table below shows the monthly averages for London, based on recorded data from 2015–2024.
| Month | Avg High | Avg Low | Rainfall |
|---|---|---|---|
| Jan | 46° | 35° | 2.4 in |
| Feb | 49° | 37° | 2.1 in |
| Mar | 52° | 39° | 2.3 in |
| Apr | 57° | 41° | 1.6 in |
| May | 63° | 47° | 2.3 in |
| Jun | 69° | 53° | 2.4 in |
| Jul | 73° | 57° | 2.4 in |
| Aug | 72° | 57° | 2.2 in |
| Sep | 67° | 53° | 2.5 in |
| Oct | 60° | 48° | 3 in |
| Nov | 52° | 41° | 2.6 in |
| Dec | 49° | 40° | 2.6 in |
A warming climate: London's warmest month (July) has warmed from an average high of 70°F in the 1950s to 73°F today — a shift of +2.4°F over roughly seventy years.
Best time to visit: June–August offers the most comfortable conditions, with daytime highs around 71°F. Pack light, breathable layers and a light waterproof — London sees rain year-round, peaking in October. For the coldest spell around January, bring a warm coat.
Source: Open-Meteo ERA5 archive. Averages computed from daily records.