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Weather extremes

How extreme does Assen's weather get?

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

Based on 32 years of daily weather observations (1993–present), from the Eelde station 14 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 Assen has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
99°F Jul 25, 2019

That is about 26°F hotter than a normal July afternoon in Assen (typical high near 73°F).

The three most extreme on record

1 99°F Jul 25, 2019
2 98°F Jul 24, 2019
3 96°F Jul 26, 2018
❄️ Coldest night
-3°F Feb 4, 2012

About 35°F colder than a normal February night in Assen (typical low near 32°F).

The three most extreme on record

1 -3°F Feb 4, 2012
2 -2°F Jan 2, 1997
3 -1°F Mar 4, 2005
🌧️ Most rain in one day
11.22 in Sep 4, 1997

More rain in a single day than Assen usually gets in the whole month of September (typical September total about 3.4 in).

The three most extreme on record

1 11.22 in Sep 4, 1997
2 6.73 in Nov 2, 1996
3 6.69 in Jul 29, 2000

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 99°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Assen's record heat sits well above even a hot day for the season — July's 99°F is about 26°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, Assen's warmest days reach the low 70s°F and its coldest nights drop to the low 30s°F. But across the record it has gone as high as 99°F and as low as −3°F. A single day has delivered over 11 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 28 years of daily observations at Eelde, a weather station, about 14 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →