Dillon October Weather

Averages and records for weather in Dillon, Montana in the month of October.
Typical Dillon October Weather
1991–2020
Average daily high 56.7 °F
Average daily low 30.4 °F
Average monthly precipitation 0.7 inches
Daily chance of precipitation 19.1%
Dillon October Weather Records
1895–2024
Highest temperature 86 °F October 3, 2010
Lowest temperature -13 °F October 30, 1935
Highest daily low 57 °F October 9, 1955
Lowest daily high 10 °F October 30, 2002
Hottest average high temperature 72.5 °F 1909
Coldest average high temperature 46.0 °F 2019
Most daily precipitation 1.3 inches October 30, 1933
Most monthly precipitation 3.1 inches 1938
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
October 1 63.5 35.5 83 15
October 2 63.2 35.2 86 8
October 3 62.9 34.9 86 18
October 4 62.6 34.5 81 16
October 5 62.3 34.4 82 17
October 6 62.1 34.2 80 13
October 7 61.8 33.9 84 16
October 8 61.4 33.6 86 6
October 9 60.9 33.3 82 -2
October 10 60.3 32.8 82 7
October 11 59.6 32.4 83 4
October 12 59.0 31.9 80 12
October 13 58.4 31.5 82 8
October 14 57.9 31.2 81 11
October 15 57.3 30.8 80 19
October 16 56.7 30.4 78 14
October 17 56.2 30.0 80 16
October 18 55.8 29.7 80 2
October 19 55.5 29.3 80 10
October 20 55.1 29.1 81 17
October 21 54.6 28.9 77 10
October 22 54.2 28.5 80 9
October 23 53.7 28.2 75 7
October 24 53.4 28.0 79 5
October 25 53.0 27.8 76 -6
October 26 52.8 27.6 75 -9
October 27 52.3 27.3 72 -8
October 28 51.6 26.9 74 1
October 29 51.0 26.4 70 -11
October 30 50.5 26.1 72 -13
October 31 49.9 25.7 71 -6
Weather Station Details
Years Station Coordinates
1941–2024 Dillon Airport location
1895–1940 University of Montana Western location