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Weather extremes
How extreme does Dale City's weather get?
The hottest, coldest, wettest and snowiest days Dale City 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 Dale City has recorded — each shown against what a normal day that time of year looks like.
That is about 18°F hotter than a normal August afternoon in Dale City (typical high near 82°F).
The three most extreme on record
About 27°F colder than a normal February night in Dale City (typical low near 24°F).
The three most extreme on record
More rain in a single day than Dale City usually gets in the whole month of June (typical June total about 4.1 in).
The three most extreme on record
Close to a whole typical February's snow in one day (Dale City averages about 8 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.
Dale City's record heat sits well above even a hot day for the season — August's 100°F is about 18°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 — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Oxon Hill (NOAA GHCN station USC00186800), about 33 km from the city centre.