New York City gets about 50 inches of rain a year. How much rain does famously gray London get?
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24 inches
About 24 inches a year at Heathrow, less than half of New York City's 49.5. London has roughly as many rainy days as New York, but its rain is Atlantic drizzle, about 0.2 inches (5 mm) on a typical wet day. New York's rain arrives in nor'easters and summer thunderstorms that can drop an inch (25 mm) in an afternoon.
Think London is rainy? NYC gets more than double the rainfall (50" vs 24"). It drizzles in London; it pours in New York.
Source: Met Office Heathrow station data (1991-2020); NWS Central Park normals (1991-2020) · checked Jan 2026