Montana May Weather

Montana weather averages and all-time records in the month of May from 1991–2020 based on data made available by the NOAA.

State:

Month:

Montana Cities

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

City	Average (°F)		Record (°F)		Monthly (inches)
City	High	Low	High	Low	Precipitation	Snow
Anaconda	64.0	35.8	91	14	2.2	1.7
Billings	66.9	43.8	99	14	2.4	0.9
Bozeman	64.4	39.0	91	16	2.9	3.5
Butte	61.0	34.4	90	9	2.0	n/a
Conrad	66.1	38.4	93	9	2.0	1.1
Cut Bank	62.2	37.3	91	9	1.7	n/a
Dillon	63.7	37.0	90	14	1.7	n/a
Glasgow	67.7	42.0	102	15	2.2	0.9
Glendive	70.0	44.1	104	16	2.5	0.5
Great Falls	64.6	39.0	100	12	2.4	1.9
Hamilton	67.4	39.1	102	18	1.5	n/a
Hardin	72.3	42.4	97	15	2.2	0.0
Havre	67.5	39.8	98	14	1.8	0.4
Helena	66.4	41.1	95	17	1.9	0.1
Kalispell	65.4	38.7	95	17	1.8	0.2
Livingston	65.0	38.0	93	10	2.7	n/a
Miles City	68.4	43.7	101	15	2.7	n/a
Missoula	66.9	39.9	95	21	1.8	0.3
Opheim	63.1	35.7	98	2	1.9	1.5
Red Lodge	61.2	36.9	88	7	4.1	6.1
West Glacier	64.5	38.5	90	13	2.6	0.5
West Yellowstone	60.3	30.5	88	0	2.4	n/a