Bismarck, North Dakota
Climate

Bismarck, North Dakota

Section Title: Climate
Table Section Text: None

Climate data for Bismarck Municipal Airport, North Dakota (1981–2010 normals, extremes 1874–present)

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year

Record high °F (°C)	63 (17)	73 (23)	81 (27)	93 (34)	102 (39)	111 (44)	114 (46)	109 (43)	105 (41)	95 (35)	79 (26)	66 (19)	114 (46)

Mean maximum °F (°C)	46.8 (8.2)	51.0 (10.6)	65.7 (18.7)	81.2 (27.3)	86.9 (30.5)	93.2 (34.0)	98.8 (37.1)	98.2 (36.8)	92.2 (33.4)	81.9 (27.7)	63.9 (17.7)	48.5 (9.2)	101.6 (38.7)

Average high °F (°C)	23.4 (−4.8)	28.3 (−2.1)	40.4 (4.7)	57.0 (13.9)	68.4 (20.2)	77.2 (25.1)	84.7 (29.3)	83.5 (28.6)	72.1 (22.3)	57.5 (14.2)	39.6 (4.2)	26.2 (−3.2)	54.9 (12.7)

Daily mean °F (°C)	12.8 (−10.7)	18.1 (−7.7)	29.9 (−1.2)	43.8 (6.6)	55.5 (13.1)	64.7 (18.2)	71.1 (21.7)	69.5 (20.8)	58.5 (14.7)	44.8 (7.1)	29.2 (−1.6)	16.2 (−8.8)	42.8 (6.0)

Average low °F (°C)	2.2 (−16.6)	7.9 (−13.4)	19.4 (−7.0)	30.7 (−0.7)	42.7 (5.9)	52.0 (11.1)	57.4 (14.1)	55.5 (13.1)	44.9 (7.2)	32.2 (0.1)	18.8 (−7.3)	6.1 (−14.4)	30.8 (−0.7)

Mean minimum °F (°C)	−22.8 (−30.4)	−19.3 (−28.5)	−5.3 (−20.7)	13.7 (−10.2)	27.0 (−2.8)	38.8 (3.8)	45.6 (7.6)	41.6 (5.3)	28.6 (−1.9)	15.3 (−9.3)	−1.7 (−18.7)	−17.5 (−27.5)	−29.4 (−34.1)

Record low °F (°C)	−45 (−43)	−45 (−43)	−36 (−38)	−12 (−24)	13 (−11)	30 (−1)	32 (0)	32 (0)	10 (−12)	−10 (−23)	−30 (−34)	−43 (−42)	−45 (−43)

Average precipitation inches (mm)	0.43 (11)	0.51 (13)	0.87 (22)	1.26 (32)	2.40 (61)	3.17 (81)	2.89 (73)	2.28 (58)	1.59 (40)	1.25 (32)	0.71 (18)	0.49 (12)	17.85 (453)

Average snowfall inches (cm)	8.9 (23)	8.1 (21)	9.1 (23)	4.2 (11)	0.4 (1.0)	0 (0)	0 (0)	0 (0)	0.2 (0.51)	2.2 (5.6)	8.8 (22)	9.3 (24)	51.2 (130)

Average precipitation days (≥ 0.01 in)	7.5	7.0	7.9	7.4	10.1	11.2	9.7	8.2	7.5	6.6	7.0	7.6	97.7

Average snowy days (≥ 0.1 in)	9.7	8.1	6.4	2.5	0.4	0	0	0	0.1	1.4	6.6	10.0	45.2

Average relative humidity (%)	71.3	72.4	69.9	61.8	60.1	65.0	61.8	60.6	63.7	63.8	72.0	74.5	66.4

Mean monthly sunshine hours	149.4	153.5	222.3	244.3	296.1	318.1	354.6	316.2	245.9	191.7	122.6	122.9	2,737.6

Percent possible sunshine	53	53	60	60	64	67	74	72	65	57	43	46	61

Source: NOAA (relative humidity and sun 1961–1990), The Weather Channel

Sentence(s)

The warmest month in Bismarck is July, with a daily mean of 71.1 °F (21.7 °C).

final_sentence: The warmest month in Bismarck is July, with a daily mean of 71.1 °F (21.7 °C).