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Ann Arbor October Weather

Averages and records for weather in Ann Arbor, Michigan in the month of October.

Typical Ann Arbor October Weather 1991–2020
Average daily high	62.2 °F
Average daily low	42.8 °F
Average monthly precipitation	3.0 inches
Average monthly snow	0.1 inches
Daily chance of precipitation	42.9%
Daily chance of snow	1.3%

Ann Arbor October Weather Records 1891–2024
Highest temperature	91 °F	October 1, 1897
Lowest temperature	19 °F	October 21, 1895
Highest daily low	67 °F	October 4, 2017
Lowest daily high	32 °F	October 19, 1930
Hottest average high temperature	74.7 °F	1963
Coldest average high temperature	49.5 °F	1925
Most daily precipitation	2.9 inches	October 4, 1954
Most monthly precipitation	8.3 inches	1917
Most daily snow	2.4 inches	October 19, 1989
Most monthly snow	2.8 inches	1989

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

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
October 1	69.2	48.0	91	21
October 2	68.7	47.6	88	28
October 3	68.2	47.2	89	31
October 4	67.8	46.9	89	30
October 5	67.3	46.4	89	29
October 6	66.8	46.0	89	29
October 7	66.3	45.7	89	29
October 8	65.8	45.3	88	27
October 9	65.5	45.0	86	27
October 10	65.1	44.7	87	27
October 11	64.6	44.3	85	28
October 12	64.1	44.0	83	27
October 13	63.6	43.7	83	27
October 14	63.2	43.4	85	26
October 15	62.8	43.1	88	28
October 16	62.4	42.8	85	24
October 17	61.9	42.5	84	23
October 18	61.4	42.2	83	23
October 19	61.0	41.7	84	23
October 20	60.5	41.4	80	25
October 21	60.0	41.0	81	19
October 22	59.5	40.7	80	26
October 23	59.0	40.4	82	23
October 24	58.4	40.0	81	20
October 25	57.8	39.7	80	23
October 26	57.4	39.3	82	23
October 27	56.9	39.1	77	20
October 28	56.4	38.7	75	23
October 29	55.9	38.2	77	21
October 30	55.5	37.8	76	21
October 31	55.0	37.5	76	22

Weather Station Details

Years	Station	Coordinates
1891–2024	University of Michigan	location