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Dillon March Weather

Averages and records for weather in Dillon, Montana in the month of March.

Typical Dillon March Weather 1991–2020
Average daily high	46.4 °F
Average daily low	22.8 °F
Average monthly precipitation	0.5 inches
Daily chance of precipitation	21.0%

Dillon March Weather Records 1895–2024
Highest temperature	79 °F	March 29, 1986
Lowest temperature	-26 °F	March 3, 1896
Highest daily low	45 °F	March 15, 2015
Lowest daily high	-4 °F	March 3, 2019
Hottest average high temperature	57.7 °F	1992
Coldest average high temperature	32.8 °F	2019
Most daily precipitation	1.2 inches	March 20, 1909
Most monthly precipitation	3.4 inches	1924

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

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
March 1	40.4	18.1	64	-16
March 2	40.7	18.4	66	-25
March 3	40.9	18.6	64	-26
March 4	41.2	18.8	63	-23
March 5	41.6	19.0	63	-20
March 6	42.1	19.3	60	-25
March 7	42.5	19.6	59	-18
March 8	43.0	19.9	62	-15
March 9	43.4	20.2	68	-14
March 10	43.8	20.5	66	-20
March 11	44.4	20.9	70	-12
March 12	44.9	21.3	68	-11
March 13	45.3	21.8	68	-11
March 14	45.6	22.1	74	-12
March 15	46.0	22.5	67	-16
March 16	46.5	22.9	65	-20
March 17	46.8	23.3	68	-15
March 18	47.2	23.5	65	-12
March 19	47.5	23.7	66	-13
March 20	47.8	23.9	67	-8
March 21	48.1	24.2	69	-9
March 22	48.4	24.4	70	-4
March 23	48.7	24.7	71	-8
March 24	49.0	24.9	69	-10
March 25	49.3	25.1	68	-14
March 26	49.4	25.3	67	-8
March 27	49.6	25.5	74	0
March 28	49.8	25.6	72	-6
March 29	50.1	25.7	79	-3
March 30	50.4	25.8	71	-10
March 31	50.5	25.9	73	-2

Weather Station Details

Years	Station	Coordinates
1941–2024	Dillon Airport	location
1895–1940	University of Montana Western	location