Greater London experiences a temperate maritime climate (Köppen climate classification: _Cfb_), characterized by mild, relatively dry weather with four distinct seasons. Unlike its reputation, London is one of the drier cities in the UK, receiving less annual rainfall than cities like Rome or Sydney, though precipitation is spread evenly throughout the year in the form of frequent light rain or drizzle.
* **Temperatures:** Winters are generally cool and damp, with average January daytime temperatures around 8°C (46°F). Summers are moderately warm, with July averages around 23°C (74°F), though heatwaves can occasionally push temperatures above 30°C (86°F). * **Rainfall:** London receives an average of 600 mm (23.6 inches) of rain annually. * **Snowfall:** Snow is relatively uncommon, typically occurring only a few days a year, and rarely settling for long in the city center due to the urban heat island effect. * **Best Time to Visit:** May through September offers the most pleasant weather, longer daylight hours, and the opportunity to enjoy London's extensive parks and outdoor festivals.
