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Weather extremes
How extreme does Ísafjörður's weather get?
The hottest, coldest, wettest and snowiest days Ísafjörður has recorded — the outer limits of what its weather can do, and how far they sit beyond a normal day.
Based on 14 years of daily weather observations (2011–present), from the Isafjordur station 2 km away. Updated through August 2025 — an all-time extreme only changes when a more extreme day actually occurs, so some dates are old. That is normal, not stale data.
The four kinds of extreme
The hottest, coldest, wettest and snowiest single days Ísafjörður has recorded — each shown against what a normal day that time of year looks like.
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Hottest day
70°F
Aug 24, 2021
The three most extreme on record
1
70°F
Aug 24, 2021recent
2
70°F
Aug 25, 2021
3
70°F
Aug 25, 2023
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Coldest night
10°F
Dec 5, 2013
The three most extreme on record
1
10°F
Dec 5, 2013
2
10°F
Dec 6, 2013
3
10°F
Nov 29, 2024
In plain terms
Across the record, Ísafjörður has reached as high as 70°F and as low as 10°F. Those are the outer edges worth knowing if you are moving here, planning a trip, or thinking about a house.
Methodology & sources
Temperature & precipitation — modelled for this location from ERA5-Land reanalysis, a ~9 km global grid, because no long-record weather station is close enough to use.