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Weather extremes
How extreme does Plymouth's weather get?
The hottest, coldest, wettest and snowiest days Plymouth has recorded — the outer limits of what its weather can do, and how far they sit beyond a normal day.
The four kinds of extreme
The hottest, coldest, wettest and snowiest single days Plymouth has recorded — each shown against what a normal day that time of year looks like.
That is about 25°F hotter than a normal July afternoon in Plymouth (typical high near 68°F).
The three most extreme on record
About 23°F colder than a normal January night in Plymouth (typical low near 39°F).
The three most extreme on record
About 75% of a typical March's rain in a single day (Plymouth averages roughly 3.1 in across the month).
The three most extreme on record
How hot and cold it gets, month by month
The shaded band is the normal range of daily temperatures for each month. The dots show the most extreme it has ever been — so you can see how far beyond a normal day the records really sit.
Plymouth's record heat sits well above even a hot day for the season — July's 93°F is about 25°F beyond a normal hot afternoon. Its record cold is just as far below a normal winter night — the dots mark how rare each extreme really is.
In plain terms
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 29 years of daily observations at Plymouth: Mountbatten, a weather station, about 3 km from the city centre. The underlying daily records come from NOAA's global station network.