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Weather extremes
How extreme does Trondheim's weather get?
The hottest, coldest, wettest and snowiest days Trondheim 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 Trondheim has recorded — each shown against what a normal day that time of year looks like.
That is about 31°F hotter than a normal June afternoon in Trondheim (typical high near 63°F).
The three most extreme on record
About 39°F colder than a normal January night in Trondheim (typical low near 25°F).
The three most extreme on record
About 70% of a typical August's rain in a single day (Trondheim averages roughly 3.3 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.
Trondheim's record heat sits well above even a hot day for the season — June's 94°F is about 31°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 Vaernes, a weather station, about 26 km from the city centre. The underlying daily records come from NOAA's global station network.