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Opheim May Weather

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

Typical Opheim May Weather 1991–2020
Average daily high	63.1 °F
Average daily low	35.7 °F
Average monthly precipitation	1.9 inches
Average monthly snow	1.5 inches
Daily chance of precipitation	26.5%
Daily chance of snow	2.3%

Opheim May Weather Records 1928–2023
Highest temperature	98 °F	May 29, 1988
Lowest temperature	2 °F	May 10, 1946
Highest daily low	65 °F	May 30, 1988
Lowest daily high	25 °F	May 1, 1954
Hottest average high temperature	74.1 °F	1988
Coldest average high temperature	54.5 °F	1935
Most daily precipitation	2.2 inches	May 9, 2016
Most monthly precipitation	5.5 inches	2011
Most daily snow	10.0 inches	May 6, 1979
Most monthly snow	15.0 inches	1979

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	58.2	30.6	81	12
May 2	58.5	30.9	86	11
May 3	59.0	31.2	83	11
May 4	59.4	31.5	80	13
May 5	59.7	31.8	87	18
May 6	60.0	32.2	90	12
May 7	60.2	32.6	89	14
May 8	60.5	32.9	87	3
May 9	60.8	33.3	89	16
May 10	61.1	33.7	89	2
May 11	61.4	34.0	90	19
May 12	61.7	34.4	93	11
May 13	62.0	34.7	89	14
May 14	62.4	35.1	89	16
May 15	62.9	35.4	89	18
May 16	63.3	35.8	86	21
May 17	63.6	36.2	90	22
May 18	63.8	36.7	92	17
May 19	64.2	37.0	90	18
May 20	64.4	37.4	91	23
May 21	64.7	37.7	95	20
May 22	65.0	38.0	98	23
May 23	65.3	38.4	96	18
May 24	65.6	38.7	89	24
May 25	66.0	39.0	90	24
May 26	66.4	39.6	94	27
May 27	66.7	40.0	90	22
May 28	66.9	40.3	89	15
May 29	67.1	40.6	98	20
May 30	67.3	41.0	94	25
May 31	67.4	41.4	89	26

Weather Station Details

Years	Station	Coordinates
1943–2023	Opheim 12 SSE	location
1928–1943	Opheim	location