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Weather extremes
How extreme does Oak Harbor's weather get?
The hottest, coldest, wettest and snowiest days Oak Harbor 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 Oak Harbor has recorded — each shown against what a normal day that time of year looks like.
That is about 22°F hotter than a normal September afternoon in Oak Harbor (typical high near 67°F).
The three most extreme on record
About 48°F colder than a normal May night in Oak Harbor (typical low near 48°F).
The three most extreme on record
More rain in a single day than Oak Harbor usually gets in the whole month of September (typical September total about 1.1 in).
The three most extreme on record
Close to a whole typical December's snow in one day (Oak Harbor averages about 2 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.
Oak Harbor's record heat sits well above even a hot day for the season — September's 89°F is about 22°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 Whidbey Island Nas (NOAA GHCN station USW00024255), about 7 km from the city centre.