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Weather extremes
How extreme does Saint Peter Port's weather get?
The hottest, coldest, wettest and snowiest days Saint Peter Port 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 Saint Peter Port has recorded — each shown against what a normal day that time of year looks like.
That is about 34°F hotter than a normal June afternoon in Saint Peter Port (typical high near 64°F).
The three most extreme on record
About 52°F colder than a normal August night in Saint Peter Port (typical low near 58°F).
The three most extreme on record
More rain in a single day than Saint Peter Port usually gets in the whole month of July (typical July total about 1.7 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.
Saint Peter Port's record heat sits well above even a hot day for the season — June's 98°F is about 34°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 30 years of daily observations at Guernsey: Airport, a weather station, about 6 km from the city centre. The underlying daily records come from NOAA's global station network.