Bismarck Historic Weather Records
Analyse hottest, coldest, windiest & wettest days

Bismarck Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	-16.081249999999997	-10		-8.4125	-3.6
	-14.7	-5.2		-5.45	-2.9
	-13.681249999999999	-6.1		-5.10625	-1.1
	-14.487499999999997	-7.2		-6.875	-1
	-14.28125	-3.5		-7.500000000000001	-0.5
	-14.793749999999998	-3.5		-7.3812500000000005	1.1
	-15.18125	-3.3		-7.537500000000001	1
	-15.78125	-4.5		-6.812499999999998	1
	-14.46875	-7.3		-6.937499999999999	-2
	-14.206249999999999	-9.1		-5.3875	-5.9
	-15.3375	-4.8		-6.793749999999999	2
	-16.63125	-3		-9.406250000000002	3.2
	-16.05625	0.8		-6.40625	4.6
	-15.0375	0.1		-6.2250000000000005	0.8
Jan.	-14.80625	-0.8		-5.831250000000001	3.2
	-14.531249999999998	-13.3		-5.218750000000001	-1.2
	-13.131250000000003	-19.4		-4.3062499999999995	-13.1
	-14.593750000000002	-18.7		-6.8500000000000005	-7
	-15.387499999999998	-23		-7.50625	-12.7
	-16.25625	-17.9		-7.59375	-6.9
	-14.24375	-11.6		-4.025	-7.6
	-12.512500000000001	-23.5		-4.15625	-11.3
	-11.1125	-25.6		-2.3875	-19.4
	-11.437500000000002	-20.2		-2.33125	-14.6
	-12.16875	-21.6		-3.81875	-17.1
	-11.087499999999999	-21.9		-1.7312500000000004	-8.5
	-11.299999999999999	-14.5		-2.3187499999999996	-8.2
	-11.5625	-11.5		-3.3937500000000003	-8.5
	-11.98125	-14.4		-3.7625	-8
	-12.53125	-16.8		-3.125	-12.3
	-14.181249999999999	-17.9		-4.574999999999999	-4.1
	-14.524999999999999	-3.6		-4.43125	-1.5
	-13.8875	-7.1		-4.599999999999999	-5.5
	-14.5875	-10.3		-5.693749999999999	0.5
	-14.5625	-4.2		-6.4875	-0.2
	-11.75	-1.1		-3.7375	2.4
	-12.281249999999998	-1		-4.718750000000001	0.9
	-14.98125	-1.5		-6.1125	1.1
	-14.75	-1.2		-7.393750000000001	5.9
	-15.218750000000002	0.1		-6.93125	3.3
	-15.062499999999998	-1.8		-5.76875	0.2
	-14.450000000000003	-3		-4.875000000000001	3
	-15.36875	-0.3		-5.612500000000001	4.1
	-13.174999999999997	0		-2.6749999999999994	10.1
	-13.218749999999998	-0.4		-4.050000000000001	7.8
Feb.	-13.406250000000004	1.4		-4.64375	10.9
	-13.212500000000002	-0.7		-4.5	3.3
	-12.00625	0		-3.2249999999999996	0.9
	-14.14375	-6.8		-4.54375	0.9
	-13.956249999999999	-13.1		-4.0375	-9.8
	-12.55625	-12.5		-1.7374999999999998	-7.7
	-13.0625	-11.7		-4.125000000000001	-5.1
	-12.831249999999997	-19.2		-3.5749999999999997	-7.4
	-12.75	-12.6		-2.6875	-2.5
	-13.406249999999998	-4.6		-5.3500000000000005	2.2
	-13.9	-5.6		-4.075000000000001	-1
	-11.756250000000001	-6.1		-1.5187499999999998	6.3
	-11.806249999999999	-1.2		-1.4062499999999991	2.6
	-11.28125	-7.9		-1.4499999999999997	-3.5
	-12.637500000000001	-11.2		-1.5187500000000005	-4.3
	-11.312499999999998	-8.7		-0.5874999999999999	6.6
	-8.931249999999999	-5.5		-0.5750000000000002	6.7
	-8.55625	-2.6		-1.3750000000000002	8.8
	-8.13125	-1.4		1.2437500000000004	1.2
	-7.768750000000001	-5		1.2750000000000001	0.9
	-7.71875	-4		1.68125	9.4
	-7.7375	1.9		2.34375	15.6
	-6.33125	-2.4		2.5187500000000003	6.4
	-7.91875	-3.7		2.75	2.9
	-6.40625	-3.9		3.13125	4.5
	-6.3875	-1.1		5.74375	5.7
	-5.574999999999999	-4.3		6.1375	-0.1
	-2.71875	-2.9		6.9625	0.8
Mar.	-3.2062500000000003	-12.7		4.50625	-3.9
	-4.1	-14.3		5.062500000000001	-4.8
	-3.80625	-3.9		5.081249999999999	8.6
	-5.24375	1.4		4.15	10.1
	-3.6875	2.6		5.824999999999999	11.6
	-4.14375	3.2		5.968750000000001	17.2
	-5.0874999999999995	2.2		3.4625000000000004	20
	-5.074999999999999	-1.3		4.281250000000001	5.5
	-4.081250000000001	-2.2		4.6125	9.1
	-3.5625	1.4		5.074999999999999	16.9
	-4.312500000000001	3.8		4.5875	21.1
	-4.8187500000000005	-0.3		4.19375	10.4
	-4.68125	-4.5		6.0249999999999995	4.7
	-3.4875000000000003	0		7.831250000000001	15.7
	-2.8937500000000003	1.4		8.78125	17.7
	-1.63125	2.5		7.6625000000000005	12.3
	-2.99375	-0.2		7.1312500000000005	6.8
	-1.8562500000000002	-1.7		7.412499999999998	0.7
	-2.21875	-0.6		7.431250000000001	0.4
	-2.71875	-1.7		7.7749999999999995	1.3
	-3.3000000000000003	-1.8		7.44375	7.8
	-2.5999999999999996	-2.8		8.45625	8.7
	-1.8937500000000003	-5.8		9.24375	-1.2
	-0.425	-7.7		11.093750000000002	10.6
	-0.3437499999999999	-1.4		10.2875	5.9
	0.4500000000000001	-2.2		9.825	6.9
	-0.91875	-1.6		10.70625	15.2
	0.5875	3		11.424999999999997	13.8
	1.00625	8.3		9.0625	25.9
	-0.2937499999999999	5.9		8.51875	8.5
	-0.24375000000000002	3.6		8.981250000000001	18
Apr.	-0.5000000000000002	3.2		9.2125	23.4
	-0.64375	2.4		9.75	20.2
	-0.8249999999999996	-4.1		8.5375	1
	-0.4312499999999999	-7.6		9.774999999999999	8
	0.4375000000000002	-6.2		10.2625	11.3
	0.69375	-0.7		11.125000000000002	27.9
	1.25	2.1		11.3375	26.4
	1.4999999999999996	7.5		13.231250000000001	31.9
	1.96875	4.1		12.93125	14.1
	2.85	-0.8		13.293750000000003	11.2
	1.8750000000000002	-1.8		13.462499999999999	9.8
	3.2124999999999995	-2.1		13.299999999999997	15.7
	4.0249999999999995	2.7		13.312500000000002	11.6
	3.2437499999999995	-2		13.587499999999999	11.9
	3.506249999999999	-1.9		14.087499999999999	13.2
	3.2624999999999993	-1		13.2875	10.7
	3.3249999999999993	-2.9		14.431249999999999	17
	3.6812499999999995	3.4		15.950000000000001	24.7
	4.31875	1.9		16.5375	25.4
	4.53125	2.6		16.725	10.5
	5.318750000000001	-0.9		17.556250000000002	8.3
	6.956249999999999	-3.3		18.26875	12.1
	7.012499999999998	-3.6		17.25625	19.3
	6.356249999999999	3.5		15.6875	22.3
	5.406250000000001	3.3		15.8	18.4
	5.725	0.3		16.93125	20.3
	6.637499999999999	4.7		16.706249999999997	28.7
	6.437499999999999	10.2		17.231250000000003	23.2
	7.9312499999999995	3.7		19.15	27.4
	8.024999999999999	16.1		18.575	26.2
May	7.125	9.4		20.38125	23.7
	8.075	5.7		18.75	21.4
	7.51875	5.8		19.475	8.3
	7.8374999999999995	5		18.718749999999996	8.6
	8.156250000000002	2.3		18.099999999999998	12.2
	7.856249999999999	2		18.093750000000004	21.8
	8.387500000000003	8.8		18.65625	21.7
	8.9	9.4		20.356250000000003	16.5
	10.31875	5.4		21.718749999999996	21.8
	10.8625	7.9		20.525	29.4
	10.106250000000001	11		20.75	33.7
	9.7125	14.4		20.675	34.2
	10.93125	16.4		21.018749999999997	33.8
	11.71875	16.6		22.425	33.3
	11.206249999999999	17.1		21.58125	27.2
	10.218749999999998	16.6		20.6125	24.7
	10.525	16.5		20.612499999999997	27.4
	10.4125	10.9		23.29375	26.2
	11.518750000000002	13.4		23.875000000000004	30.5
	11.481249999999998	16.2		24.2	26.2
	13.156249999999998	11.6		25.468750000000004	28.5
	13.212500000000002	13.4		25.374999999999993	29
	13.343749999999998	15.4		24.018749999999997	34
	13.237500000000002	17.5		24.731250000000003	33.7
	13.19375	14.7		24.331250000000004	26.8
	13.0625	13.8		24.98125	33.4
	13.625000000000002	15.8		24.843749999999996	23.8
	13.193749999999998	10.2		23.087500000000002	20.7
	12.049999999999999	9		23.08125	25.3
	13.118750000000004	8.7		24.825	18
	13.3625	5.9		24.662499999999998	24.8
Jun.	13.6625	10.1		24.406249999999996	23.1
	13.6	7		24.5	26.6
	13.4375	12.1		24.25	18.9
	13.637500000000003	8.4		25.14375	24.7
	14.5	9.7		25.45	22.2
	14.462500000000002	6.3		25.062499999999996	26
	14.274999999999999	13.3		24.237499999999997	23.7
	13.65	13.1		24.193749999999998	24.8
	13.093750000000002	15.3		24.575000000000003	24.3
	13.53125	10		25.118750000000002	23.4
	14.64375	8.1		25.53125	25.1
	14.60625	13.3		26.33125	21.8
	15.6875	16.1		27.093749999999996	27.6
	15.600000000000001	14.1		26.631249999999998	30.8
	16.35	18.6		28.41875	28.5
	16.125	11.7		26.987499999999997	28.1
	15.537499999999998	13.5		27.46875	30.4
	15.787499999999998	15.8		28.86875	31
	17.4375	16.7		29.312499999999993	31
	17.8	16.1		29.300000000000004	31.9
	16.893749999999997	16.9		28.3	36.5
	15.95625	21.3		26.706250000000004	33
	15.3875	15		26.9	27.7
	15.793750000000001	12.8		28.325000000000003	27.7
	16.28125	13.9		29.018749999999997	34.9
	16.83125	17.2		29.856249999999992	34.4
	17.2375	18.3		29.037499999999998	40.1
	16.993750000000002	21.9		28.393749999999997	41.3
	16.66875	22.3		29.481249999999996	40.7
	17.375	21.8		29.59375	37.7
Jul.	16.60625	20.7		28.56875	36
	16.85625	20.4		29.056250000000002	38.2
	17.25625	20.4		29.86875	31.2
	17.93125	14.8		29.65	34.7
	17.28125	19.6		29.23125	39.6
	17.662499999999998	17.9		29.56875	32.5
	17.26875	14		29.818750000000005	27.4
	17.343750000000004	12.9		29.4125	29.3
	17.075	13.3		29.043749999999996	31.9
	17.043750000000003	17		29.79375	40.3
	17.868750000000002	16.8		30.0375	40.9
	17.98125	19.8		30.393749999999994	42.1
	16.725	15.6		28.4	36.9
	16.0375	18.9		27.950000000000003	37.2
	15.987500000000004	18.6		27.918750000000003	39
	16.61875	22.2		29.093749999999996	35.5
	17.01875	16.5		30.412499999999998	32.1
	17.481249999999996	13.3		30.674999999999997	35.4
	17.4125	20.5		28.4125	40.1
	17.175	14.5		29.112499999999997	25
	17.425	7.9		29.412499999999998	26.8
	16.5	7.6		26.574999999999996	31.1
	15.387500000000001	14.1		26.381249999999998	35.4
	15.9	10.1		27.69375	27.6
	16.456249999999997	10.3		28.693749999999994	33.2
	16.362499999999997	14.6		27.3375	29.5
	15.556249999999999	12.7		27.76875	29.2
	15.675000000000002	15.3		28.818750000000005	31.9
	16.768750000000004	16.4		28.206249999999997	27.1
	16.193749999999998	14.7		27.375	26.3
	16.25	17.8		28.89375	23.2
Aug.	17.431250000000002	16.1		28.13125	28.2
	16.23125	14.2		27.712500000000002	28.4
	14.981249999999998	14.5		28.443749999999998	31.7
	16.087500000000002		15.1	29.024999999999995		26.6
	16.31875		18.5	27.84375		29.6
	15.481250000000001		21.1	27.206250000000004		30.7
	15.41875		19.6	27.925000000000004		28.1
	15.91875		16.5	29.062499999999996		28.8
	16.1375		20.8	28.41875		33.6
	15.906250000000002		19.5	27.38125		27.7
	15.218750000000002		14.8	26.80625		26.4
	15.01875		14.9	26.456249999999997		26.1
	15.2		15	27.293750000000003		27.2
	15.662499999999998		15.9	27.181250000000002		28.1
	15.637500000000001		15.4	28.84375		28.2
	15.643750000000002		15.2	28.425000000000004		27.6
	15.674999999999999		15.4	27.175000000000004		27.2
	15.018749999999999		15.2	27.54375		27.9
	14.725000000000001		15.1	27.281250000000004		27.5
	15.149999999999999		15	28.068750000000005		27.6
	14.081249999999999		13.7	25.95625		24.9
	13.3		13	24.18125		24.4
	12.725		12.9	24.956250000000004		25
	12.499999999999998		12.4	24.718749999999996		24.4
	12.275		12.1	23.893749999999997		24.2
	12.306249999999997		12.3	23.35		23.8
	11.31875		12.1	24.318749999999998		25.7
	12.193749999999998		12.6	24.54375		23.8
	11.637499999999998		11.7	23.80625		23.1
	12.26875		11.6	23.80625		23.2
	11.193749999999998		11.3	21.575		22.9
Sep.	10.43125		12	22.3375		23.1
	11.525000000000002		11.4	22.793750000000003		21.4
	10.662500000000001		10.5	20.612499999999997		22
	10.5625			22.84375
	12.325			23.98125
	11.74375			21.01875
	10.0875			21.556249999999995
	10.068749999999998			21.3875
	9.518749999999999			20.4125
	10.337500000000002			20.943749999999998
	10.881250000000001			22.4125
	11.10625			22.681250000000002
	10.687500000000002			21.85
	9.843750000000002			21.0625
	10.0875			20.318749999999998
	10.856250000000001			21.4
	10.925			20.20625
	8.8			18.775
	8.781250000000002			18.3125
	7.249999999999999			16.831249999999997
	7.543749999999999			16.46875
	6.6812499999999995			15.387499999999998
	6.05			16.862499999999997
	6.65625			16.975
	5.950000000000001			15.05625
	6.043749999999999			16.50625
	6.51875			17.162499999999998
	5.624999999999999			12.3
	3.5250000000000004			12.231250000000001
	3.1750000000000003			11.125000000000002
Oct.	3.4312500000000004			13.093749999999998
	3.925			13.781249999999998
	4.668749999999999			14.868749999999999
	4.85625			13.862499999999999
	3.98125			13.687500000000002
	3.7			13.212499999999999
	3.9312500000000004			13.10625
	3.7625000000000006			13.325000000000003
	3.36875			11.0625
	2.4375			10.618749999999999
	2.7250000000000005			10.856249999999998
	1.2125			9.200000000000001
	-0.6125000000000003			7.35
	-1.0875			7.493749999999999
	-0.08125000000000024			8.600000000000001
	-0.53125			7.3375
	-1.175			8.2
	1.06875			9.668750000000003
	0.5375			9.318750000000001
	0.5812500000000003			8.04375
	0.26875000000000016			7.543750000000001
	0.26249999999999996			8.2125
	-0.7312499999999998			7.5249999999999995
	-1.45625			8.006250000000001
	-1.225			7.481249999999998
	-2.7812500000000004			5.8687499999999995
	-3.475			4.03125
	-5.081249999999999			1.7062499999999998
	-6.112500000000002			2.0437499999999997
	-5.031250000000001			4.46875
	-3.3937500000000003			6.0125
Nov.	-2.81875			5.3
	-4.018750000000001			4.218750000000001
	-4.55			1.8812499999999999
	-5.124999999999999			3.562499999999999
	-4.8500000000000005			2.6625
	-6.062500000000001			1.8875000000000002
	-7.174999999999999			-0.20625
	-5.98125			3.6187499999999995
	-5.09375			3.9124999999999996
	-5.34375			2.25
	-6.33125			0.8999999999999999
	-7.406249999999999			-0.3624999999999999
	-8.09375			0.66875
	-5.775			1.2437500000000001
	-5.8375			1.2374999999999998
	-7.599999999999999			-2.1
	-8.299999999999999			-1.3877787807814457e-17
	-7.8875			-0.28125000000000006
	-8.225			-0.8562500000000003
	-8.1			-0.40625
	-10.10625			-2.9812500000000006
	-11.237499999999999			-3.25
	-9.818750000000001			-1.8500000000000003
	-9.6625			-2.3625
	-10.950000000000001			-0.9625000000000002
	-10.49375			-1.9312499999999995
	-12.65			-3.1625
	-10.74375			-4.275
	-9.4			-3.2875
	-9.106250000000001			-3.20625
Dec.	-9.381250000000003			-3.15625
	-10.0375			-3.90625
	-10.962499999999999			-4.39375
	-11.856250000000001			-4.49375
	-11.99375			-3.675
	-12.224999999999998			-3.99375
	-11.31875			-4.5
	-9.88125			-3.69375
	-10.518750000000002			-4.30625
	-12.01875			-4.737499999999999
	-12.243749999999999			-6.174999999999998
	-12.1			-5.2
	-13.337499999999999			-4.675
	-13.71875			-6.1812499999999995
	-14.618749999999997			-6.449999999999999
	-14.9375			-7.2250000000000005
	-16.32			-8.586666666666666

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

42°C

Highest Temp

26 Jul. 26

-26°C

Lowest Temp

23 Jan. 26

Seasonal Breakdown

Hottest MonthJuly34.94°C

Coldest MonthJanuary-11.59°C

Wettest MonthJune3.07mm

Windiest MonthJune26.15km/h

Bismarck Climate Change InsightsSee how climate patterns are evolving over time. Temperature shifts, rainfall trends, and extreme events—all in one place.

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Frequently Asked Questions

1. What is the hottest month in Bismarck historically?

July is historically Bismarck's hottest month, with average maximum temperatures around 29°C. During peak heatwave events, the highest recorded temperatures have reached 42°C on 2026-07-26.

2. What is the coldest month in Bismarck historically?

January is Bismarck's coldest month, with average minimum temperatures around -14°C. The all-time record low of -34°C was recorded on 2019-01-30.

3. What is the average annual rainfall in Bismarck over the past 17 years?

Bismarck's average annual rainfall is approximately 618.7mm, based on records spanning 17 years.

4. How many rainy days does Bismarck experience on average per year?

Bismarck historically records approximately 142.9 rainy days per year. June has the highest number of rain days at an average of 16.05 days.

5. What is the all-time highest temperature ever recorded in Bismarck?

The all-time highest temperature recorded in Bismarck is 42°C on 2026-07-26.

6. What is the all-time lowest temperature ever recorded in Bismarck?

The all-time lowest temperature recorded in Bismarck is -34°C on 2019-01-30.

7. What is the windiest time of year in Bismarck historically?

Bismarck experiences its strongest winds during April. The historic gust record of 62.7 kph was recorded on 2022-04-13.

8. What is the highest and lowest humidity in Bismarck during a year?

Usually, Bismarck's humidity peaks in January at around 87.6% and drops to its lowest in September at approximately 53.9%.

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Analyse hottest, coldest, windiest & wettest days