Highest Daily Low Temperatures in Plymouth History

This is a list of the hottest daily low temperatures ever recorded in Plymouth, Indiana history from 1894–2024 based on data from the NOAA.

Highest temperatures all-time

Record for the highest daily low temperature in Plymouth

The highest low temperature for a calendar day in Plymouth, Indiana history was 82 °F which happened on Sunday, July 11, 1937.

Rank	Temperature	Date
1	82 °F	July 11, 1937
2	81 °F	June 9, 1914
3	79 °F	July 31, 1999
3	79 °F	August 2, 1987
3	79 °F	April 16, 1976
3	79 °F	August 31, 1951
3	79 °F	August 24, 1947
3	79 °F	July 18, 1942
3	79 °F	July 22, 1934
10	78 °F	July 15, 1995
10	78 °F	July 8, 1980
10	78 °F	July 11, 1976
10	78 °F	April 18, 1976
10	78 °F	August 22, 1936
10	78 °F	July 20, 1934
10	78 °F	June 29, 1934
10	78 °F	July 5, 1925
10	78 °F	July 7, 1921
10	78 °F	August 6, 1918
20	77 °F	June 16, 2022
20	77 °F	June 18, 2018
20	77 °F	July 22, 2011
20	77 °F	July 18, 2011
20	77 °F	July 25, 2005
20	77 °F	July 14, 1995
20	77 °F	July 10, 1984
20	77 °F	July 29, 1983
20	77 °F	July 14, 1966
20	77 °F	July 9, 1949
20	77 °F	July 5, 1949
20	77 °F	August 12, 1944
20	77 °F	July 29, 1940
20	77 °F	August 4, 1938
20	77 °F	August 9, 1934
20	77 °F	June 2, 1934
20	77 °F	June 22, 1923