Janesville October Weather

Averages and records for weather in Janesville, Wisconsin in the month of October.
Typical Janesville October Weather
1991–2020
Average daily high 61.7 °F
Average daily low 39.3 °F
Average monthly precipitation 3.0 inches
Average monthly snow 0.2 inches
Daily chance of precipitation 33.0%
Daily chance of snow 0.44%
Janesville October Weather Records
1893–2024
Highest temperature 89 °F October 1, 1971
Lowest temperature 11 °F October 30, 1895
Highest daily low 69 °F October 4, 2005
Lowest daily high 35 °F October 27, 2020
Hottest average high temperature 74.6 °F 1963
Coldest average high temperature 54.9 °F 2009
Most daily precipitation 2.8 inches October 24, 2001
Most monthly precipitation 7.5 inches 2001
Most daily snow 2.0 inches October 27, 1997
Most monthly snow 3.5 inches 2019
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 68.9 44.7 89 26
October 2 68.3 44.3 88 24
October 3 67.8 43.9 86 25
October 4 67.3 43.5 87 27
October 5 66.8 42.9 88 27
October 6 66.3 42.5 89 22
October 7 65.9 42.1 88 24
October 8 65.5 41.8 88 24
October 9 65.1 41.4 85 21
October 10 64.7 41.2 88 24
October 11 64.1 40.8 83 24
October 12 63.6 40.4 83 22
October 13 63.1 40.2 88 22
October 14 62.7 39.9 84 25
October 15 62.2 39.6 85 25
October 16 61.7 39.3 82 26
October 17 61.2 39.0 83 27
October 18 60.8 38.7 85 18
October 19 60.3 38.3 84 19
October 20 59.8 37.9 86 20
October 21 59.4 37.6 84 18
October 22 58.8 37.3 83 22
October 23 58.3 36.9 83 19
October 24 57.6 36.5 80 22
October 25 57.0 36.1 81 22
October 26 56.5 35.8 81 20
October 27 55.9 35.5 75 23
October 28 55.5 35.1 76 21
October 29 54.9 34.7 75 14
October 30 54.3 34.2 79 11
October 31 53.8 33.8 80 24
Weather Station Details
Years Station Coordinates
1987–2024 Afton-Janesville WWTP location
1893–1987 Janesville location