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Weather extremes
How extreme does Dover's weather get?
The hottest, coldest, wettest and snowiest days Dover 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 Dover has recorded — each shown against what a normal day that time of year looks like.
That is about 32°F hotter than a normal July afternoon in Dover (typical high near 67°F).
The three most extreme on record
About 20°F colder than a normal February night in Dover (typical low near 37°F).
The three most extreme on record
More rain in a single day than Dover usually gets in the whole month of June (typical June total about 0.0 in).
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.
Dover's record heat sits well above even a hot day for the season — July's 99°F is about 32°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 25 years of daily observations at Manston, a weather station, about 25 km from the city centre. The underlying daily records come from NOAA's global station network.