Highest Temperatures in Janesville History
This is a list of the 20 highest temperatures ever recorded in
Janesville, Wisconsin history from 1893–2024 based on data from the NOAA.
What's the hottest it has ever gotten in Janesville?
The hottest temperature in Janesville, Wisconsin history is 103 °F which has happened twice, most recently on Saturday July 7, 2012.
| Rank |
Temperature |
Date |
| 1 |
103 °F |
July 7, 2012 |
| 1 |
103 °F |
July 6, 2012 |
| 3 |
102 °F |
August 1, 1988 |
| 3 |
102 °F |
July 10, 1966 |
| 3 |
102 °F |
July 1, 1963 |
| 6 |
101 °F |
July 5, 2012 |
| 6 |
101 °F |
July 14, 1995 |
| 6 |
101 °F |
August 17, 1988 |
| 6 |
101 °F |
July 15, 1988 |
| 6 |
101 °F |
June 20, 1988 |
| 6 |
101 °F |
July 22, 1965 |
| 6 |
101 °F |
July 27, 1955 |
| 6 |
101 °F |
September 1, 1953 |
| 14 |
100 °F |
August 16, 1988 |
| 14 |
100 °F |
June 25, 1988 |
| 14 |
100 °F |
June 21, 1988 |
| 14 |
100 °F |
August 19, 1983 |
| 14 |
100 °F |
July 10, 1976 |
| 14 |
100 °F |
August 3, 1964 |
| 14 |
100 °F |
July 26, 1955 |
| 14 |
100 °F |
September 2, 1953 |
| 14 |
100 °F |
August 31, 1953 |
| 14 |
100 °F |
June 19, 1953 |
| 14 |
100 °F |
August 24, 1948 |
| 14 |
100 °F |
August 24, 1947 |
| 14 |
100 °F |
July 17, 1894 |
Weather Station Details
| Years |
Station |
Coordinates |
| 1987–2024 |
Afton-Janesville WWTP |
location |
| 1893–1987 |
Janesville |
location |