46.782°N, 100.757°W · station BISthr · 1874–2026 · 153 years of record
The Almanac Ribbon
Every day of the year at Bismarck: the record high and record low ever set (outer lines), the everyday normal range (shaded band), and the full record envelope behind it.
Record highRecord lowNormal high–low band (1991–2020)hottest ever 114°F · coldest ever -45°F
Records by Month
Month
Record high
Record low
Jan
63°Jan 8, 2002
-45°Jan 13, 1916
Feb
73°Feb 27, 2016
-45°Feb 16, 1936
Mar
81°Mar 22, 1910
-36°Mar 15, 1897
Apr
93°Apr 21, 1980
-12°Apr 1, 1975
May
102°May 28, 1934
13°May 3, 1907
Jun
111°Jun 29, 2002
30°Jun 2, 1969
Jul
114°Jul 6, 1936
32°Jul 6, 1884
Aug
109°Aug 5, 1941
32°Aug 31, 1895
Sep
105°Sep 7, 1931
10°Sep 30, 1876
Oct
95°Oct 1, 1953
-10°Oct 26, 1919
Nov
79°Nov 7, 1999
-30°Nov 29, 1985
Dec
66°Dec 6, 1939
-43°Dec 31, 1967
All-time
114°Jul 6, 1936
-45°Jan 13, 1916
Longest-Standing Records
The daily records that have held the longest — set in the earliest years and never beaten since. Highs power Bismarck on hottestsince.com; lows on coldestsince.com.
Oldest-standing record highs
Date
Record
Set
Standing
Oct 17
83°
1874
152yrs
Oct 19
82°
1875
151yrs
Dec 13
62°
1876
150yrs
Feb 20
60°
1877
149yrs
May 12
92°
1880
146yrs
Jun 30
102°
1881
145yrs
Dec 4
60°
1881
145yrs
Dec 22
55°
1881
145yrs
Dec 26
48°
1881
145yrs
Feb 5
56°
1882
144yrs
Sep 23
95°
1885
141yrs
Aug 23
104°
1886
140yrs
Oldest-standing record lows
Date
Record
Set
Standing
Nov 16
-14°
1874
152yrs
Nov 17
-16°
1874
152yrs
Mar 15
-11°
1875
151yrs
Mar 16
-25°
1875
151yrs
Mar 17
-20°
1875
151yrs
Jun 2
32°
1875
151yrs
Nov 20
-28°
1875
151yrs
Nov 27
-25°
1875
151yrs
Dec 3
-20°
1875
151yrs
Mar 18
-17°
1876
150yrs
Mar 20
-17°
1876
150yrs
Sep 30
10°
1876
150yrs
All-Time Extremes
Hottest ever
114°F
1936-07-06
Coldest ever
-45°F
1916-01-13
Longest heat streak
18 days
≥ 90°F · ended 1936-07-19
The Warming Trend
Bismarck's annual mean temperature, each year a stripe — blue below the 1991–2020 average, red above.
Days Above / Below the Mark
31 days ≥90°F in 2026 · normal 20 · record 53 in 1936
115 days ≤32°F in 2026 · normal 183 · record 216 in 1907
The Full Record
Every day of the year, record and normal high & low with the year each record was set. Type to filter, click a column to sort.