Montana Weather Records

Weather averages and records for the U.S. state of Montana based on data made available by the NOAA.

State:

Month:

Montana Statewide Averages

Average temperatures and precipitation over the entire territory of the state, from 1991–2020.

Month	High (°F)	Low (°F)	Precipitation (in)
January	30.7	11.4	1.2
February	34.0	13.1	1.0
March	43.9	21.0	1.3
April	53.3	29.0	1.8
May	63.1	37.8	2.6
June	71.7	45.8	2.9
July	81.7	51.6	1.5
August	80.9	49.9	1.2
September	69.9	41.5	1.4
October	54.8	30.8	1.5
November	40.6	20.6	1.3
December	31.4	12.8	1.2
Entire Year	54.7	30.4	18.9

Montana Cities

Yearly weather averages for various places in Montana, from 1991–2020.

City	Average (°F)		Record (°F)		Yearly (inches)
City	High	Low	High	Low	Precipitation	Snow
Anaconda	57.2	29.7	102	-38	14.8	75.9
Billings	59.5	37.1	112	-49	14.3	57.4
Bozeman	57.5	32.2	105	-43	19.8	92.6
Butte	54.2	26.3	100	-52	12.7	n/a
Conrad	56.7	30.2	105	-46	12.0	47.2
Cut Bank	54.2	29.9	107	-47	10.7	n/a
Dillon	56.3	30.4	102	-40	9.4	n/a
Glasgow	55.2	31.5	113	-59	13.4	39.9
Glendive	59.0	33.7	117	-50	14.8	25.0
Great Falls	57.3	32.6	107	-49	14.8	66.3
Hamilton	59.6	33.3	105	-39	13.2	n/a
Hardin	63.5	33.7	112	-47	12.8	28.0
Havre	56.8	30.3	111	-57	11.7	41.6
Helena	57.9	33.1	105	-42	11.3	37.1
Kalispell	55.5	31.6	105	-38	16.8	57.9
Livingston	59.1	33.1	106	-45	14.4	n/a
Miles City	59.1	34.5	111	-49	12.9	n/a
Missoula	57.6	33.8	107	-33	14.1	42.8
Opheim	50.5	25.2	105	-49	11.9	36.4
Red Lodge	55.1	31.0	101	-42	23.2	143.6
West Glacier	54.1	32.8	100	-36	30.3	118.1
West Yellowstone	53.2	22.4	97	-66	24.1	n/a