Climate-Zone.com

HomeCitiesUnited StatesNorth DakotaMandanTools › Weather extremes

Weather extremes

How extreme does Mandan's weather get?

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

Based on 50+ years of daily weather observations (1971–present), from the Mandan Exp Stn station 2 km away. Updated through June 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 Mandan has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
110°F Jun 30, 2002

That is about 34°F hotter than a normal June afternoon in Mandan (typical high near 76°F).

The three most extreme on record

1 110°F Jun 30, 2002
2 110°F Jul 31, 2006
3 107°F Jul 12, 1973
❄️ Coldest night
-39°F Jan 16, 2009

About 42°F colder than a normal January night in Mandan (typical low near 3°F).

The three most extreme on record

1 -39°F Jan 16, 2009
2 -38°F Dec 23, 1983
3 -38°F Dec 24, 1983
🌧️ Most rain in one day
4.44 in Jul 27, 2001

More rain in a single day than Mandan usually gets in the whole month of July (typical July total about 3.2 in).

The three most extreme on record

1 4.44 in Jul 27, 2001
2 4.40 in Jun 16, 2009
3 4.25 in Jul 16, 1993
Most snow in one day
24.0 in Nov 15, 2022

The three most extreme on record

1 24.0 in Nov 15, 2022recent
2 17.4 in Apr 16, 2013
3 17.0 in Nov 9, 1986

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.

-50°-30°-10°10°30°50°70°90°110°130° all-time high 110°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Mandan's record heat sits well above even a hot day for the season — June's 110°F is about 34°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, Mandan's warmest days reach the low 80s°F and its coldest nights drop to the low 0s°F. But across the record it has gone as high as 110°F and as low as −39°F. A single day has delivered over 4 inches of rain or close to 24 inches of snow. Those are the outer edges worth knowing if you are moving here, planning a trip, or thinking about a house.
Methodology & sources

Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Mandan Exp Stn (NOAA GHCN station USC00325479), about 2 km from the city centre.

How we build these numbers →