< Previous Month Next Month >

West Glacier May Weather

Averages and records for weather in West Glacier, Montana in the month of May.

Typical West Glacier May Weather 1991–2020
Average daily high	64.5 °F
Average daily low	38.5 °F
Average monthly precipitation	2.6 inches
Average monthly snow	0.5 inches
Daily chance of precipitation	43.8%
Daily chance of snow	1.1%

West Glacier May Weather Records 1949–2024
Highest temperature	90 °F	May 30, 1986
Lowest temperature	13 °F	May 1, 1954
Highest daily low	57 °F	May 18, 2021
Lowest daily high	35 °F	May 1, 1951
Hottest average high temperature	74.6 °F	1958
Coldest average high temperature	56.0 °F	1996
Most daily precipitation	2.4 inches	May 22, 2016
Most monthly precipitation	6.4 inches	2016
Most daily snow	5.0 inches	May 1, 1951
Most monthly snow	5.0 inches	1964

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
May 1	60.1	34.4	81	13
May 2	60.5	34.6	81	20
May 3	61.0	34.9	80	23
May 4	61.4	35.2	82	24
May 5	61.7	35.6	82	22
May 6	61.9	35.8	82	25
May 7	62.0	36.1	84	25
May 8	62.2	36.3	81	26
May 9	62.5	36.6	81	26
May 10	62.8	36.9	81	25
May 11	63.1	37.1	84	25
May 12	63.5	37.4	87	25
May 13	63.8	37.7	81	25
May 14	64.2	38.0	81	26
May 15	64.6	38.2	82	28
May 16	64.9	38.6	85	28
May 17	65.2	38.9	85	27
May 18	65.5	39.2	88	27
May 19	65.9	39.5	86	28
May 20	66.1	39.8	83	27
May 21	66.5	40.0	83	27
May 22	66.8	40.3	83	27
May 23	67.1	40.5	84	27
May 24	67.3	40.7	83	29
May 25	67.5	40.9	84	27
May 26	67.6	41.2	87	26
May 27	67.8	41.4	87	30
May 28	67.9	41.6	88	27
May 29	68.0	41.8	90	27
May 30	68.2	41.9	90	28
May 31	68.2	42.1	86	28

Weather Station Details

Years	Station	Coordinates
1949–2024	West Glacier	location