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Hardin May Weather

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

Typical Hardin May Weather 1991–2020
Average daily high	72.3 °F
Average daily low	42.4 °F
Average monthly precipitation	2.2 inches
Average monthly snow	none
Daily chance of precipitation	28.2%
Daily chance of snow	0%

Hardin May Weather Records 1948–2024
Highest temperature	97 °F	May 30, 1984
Lowest temperature	15 °F	May 12, 1953
Highest daily low	65 °F	May 27, 2022
Lowest daily high	31 °F	May 1, 1967
Hottest average high temperature	80.2 °F	1958
Coldest average high temperature	62.9 °F	2011
Most daily precipitation	2.5 inches	May 12, 2010
Most monthly precipitation	6.7 inches	2011
Most daily snow	1.5 inches	May 3, 1950
Most monthly snow	2.5 inches	1950

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	67.8	37.3	89	19
May 2	68.1	37.6	87	18
May 3	68.4	38.0	88	18
May 4	68.9	38.3	90	23
May 5	69.2	38.7	90	23
May 6	69.6	39.1	91	27
May 7	69.8	39.4	91	29
May 8	70.0	39.7	92	27
May 9	70.2	40.0	94	23
May 10	70.4	40.4	90	27
May 11	70.7	40.8	87	20
May 12	71.0	41.1	93	15
May 13	71.3	41.4	97	24
May 14	71.6	41.7	94	21
May 15	72.0	42.1	95	25
May 16	72.4	42.4	93	28
May 17	72.7	42.8	94	31
May 18	73.0	43.3	93	30
May 19	73.3	43.6	94	28
May 20	73.5	44.1	95	30
May 21	73.8	44.4	95	28
May 22	74.2	44.7	97	28
May 23	74.6	45.1	94	26
May 24	75.1	45.5	91	28
May 25	75.4	45.8	90	24
May 26	75.7	46.1	92	32
May 27	76.1	46.5	95	30
May 28	76.3	46.8	94	35
May 29	76.4	47.0	95	32
May 30	76.6	47.4	97	31
May 31	76.9	47.6	95	29

Weather Station Details

Years	Station	Coordinates
1948–2024	Hardin	location