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Weather extremes

How extreme does Fredrikstad's weather get?

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

Based on 35 years of daily weather observations (1991–present), from the Sarpsborg station 13 km away. Updated through April 2026 — 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 Fredrikstad has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
92°F Jul 27, 2018

That is about 21°F hotter than a normal July afternoon in Fredrikstad (typical high near 71°F).

The three most extreme on record

1 92°F Jul 27, 2018
2 92°F Jul 20, 2025
3 90°F Jul 25, 2008
❄️ Coldest night
-15°F Dec 31, 2002

About 42°F colder than a normal December night in Fredrikstad (typical low near 27°F).

The three most extreme on record

1 -15°F Dec 31, 2002
2 -10°F Jan 16, 2024
3 -9°F Feb 14, 1994
🌧️ Most rain in one day
2.17 in Oct 1, 2021

About 51% of a typical October's rain in a single day (Fredrikstad averages roughly 4.3 in across the month).

The three most extreme on record

1 2.17 in Oct 1, 2021recent
2 2.07 in Aug 26, 2023
3 2.05 in Oct 24, 2014

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 92°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Fredrikstad's record heat sits well above even a hot day for the season — July's 92°F is about 21°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, Fredrikstad's warmest days reach the low 70s°F and its coldest nights drop to the mid-20s°F. But across the record it has gone as high as 92°F and as low as −15°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 26 years of daily observations at Sarpsborg, a weather station, about 13 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →