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Weather extremes

How extreme does Karlstad's weather get?

The hottest, coldest, wettest and snowiest days Karlstad has recorded — the outer limits of what its weather can do, and how far they sit beyond a normal day.

Based on 34 years of daily weather observations (1991–present), from the Karlstad station 12 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 Karlstad has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
90°F Jul 27, 2018

That is about 18°F hotter than a normal July afternoon in Karlstad (typical high near 72°F).

The three most extreme on record

1 90°F Jul 27, 2018
2 90°F Jul 28, 2008
3 90°F Jul 26, 2019
❄️ Coldest night
-16°F Jan 5, 2003

About 38°F colder than a normal January night in Karlstad (typical low near 22°F).

The three most extreme on record

1 -16°F Jan 5, 2003
2 -15°F Jan 16, 2024
3 -13°F Feb 14, 1994
🌧️ Most rain in one day
1.77 in Aug 31, 1997

The three most extreme on record

1 1.77 in Aug 31, 1997
2 1.61 in May 7, 1997
3 1.57 in Oct 10, 1993

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.

-30°-10°10°30°50°70°90°110° all-time high 90°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Karlstad's record heat sits well above even a hot day for the season — July's 90°F is about 18°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

In a normal year, Karlstad's warmest days reach the low 70s°F and its coldest nights drop to the low 20s°F. But across the record it has gone as high as 90°F and as low as −16°F. A single day has delivered over 2 inches of rain. Those are the outer edges worth knowing if you are moving here, planning a trip, or thinking about a house.
Methodology & sources

Temperature & precipitation — 1991–2020 normals computed from 14 years of daily observations at Orebro, a weather station, about 101 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →