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Weather extremes
How extreme does Briton Ferry's weather get?
The hottest, coldest, wettest and snowiest days Briton Ferry 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 Briton Ferry has recorded — each shown against what a normal day that time of year looks like.
That is about 21°F hotter than a normal August afternoon in Briton Ferry (typical high near 67°F).
The three most extreme on record
About 19°F colder than a normal February night in Briton Ferry (typical low near 39°F).
The three most extreme on record
More rain in a single day than Briton Ferry usually gets in the whole month of June (typical June total about 2.4 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.
Briton Ferry's record heat sits well above even a hot day for the season — August's 88°F is about 21°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 Mumbles Head, a weather station, about 13 km from the city centre. The underlying daily records come from NOAA's global station network.