London has a temperate oceanic climate, similar to much of southern Britain. Despite its reputation as being a rainy city, London receives less precipitation in a year than Rome at 834 mm (32.8 in), or Bordeaux at 923 mm (36.3 in).Winters are generally chilly to cold with frost usually occurring in the suburbs on average twice a week from November to March. Snow usually occurs about 4 or 5 times a year mostly from December to February. Snowfall during March and April is rare but does occur every 2–3 years. Winter temperatures seldom fall below −4 °C (24.8 °F) or rise above14 °C (57.2 °F).

Source: Wikipedia
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