since 1940
Climate Archive
London
What was the weather like in London in a specific year? See average temperature, rainfall, sunshine and records for every year from 1940 to now.
Warmest year
202216.1°C avg. highColdest year
196312°C avg. highWettest year
2024894 mmDriest year
1947368 mmexplained
What is a climate normal?
A climate normal is the average weather over a fixed 30-year reference period, 1991-2020 in this archive, as is standard practice at national weather services and the World Meteorological Organization. Comparing a specific year against this normal shows at a glance whether that year was warmer, cooler, wetter or drier than usual.
Why only data for London?
London is a widely used reference point for UK climate statistics, though weather can vary locally across the country. The data in this archive comes from Open-Meteo's ERA5 reanalysis, which goes back to 1940.
Frequently asked questions
What was the warmest year ever recorded in London?
Of the years in this dataset (since 1940), 2022 was the warmest, with an average daily high of 16.1°C.
What is the climate normal for London?
The climate normal is the average over the 1991-2020 reference period. For London that works out to an average daily high of 14.2°C and 649 mm of rain per year.
How far back does this climate archive go?
This archive goes back to 1940, based on the Open-Meteo ERA5 reanalysis dataset for London. Earlier years are not available from this source.