Plymouth Weather Records

Plymouth, Indiana weather averages and records from 1894–2024 based on data made available by the NOAA.
All-Time Recorded High
The highest temperature ever recorded in Plymouth, Indiana was 109 °F which occurred on July 14, 1936.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in Plymouth, Indiana was -25 °F which occurred on January 20, 1985.
Lowest Temperatures: All-Time By Year
Plymouth Weather by Month
Averages based on the years 1991–2020
Month Average (°F) Record (°F) Average (inches)
High ☀️ Low 🌙 High ☀️ Low 🌙 Precipitation 💧 Snow ❄️
January 31.4 16.7 69 -25 2.6 18.9
February 35.6 19.1 74 -20 2.3 14.1
March 47.4 27.8 87 -8 2.4 6.2
April 59.9 37.6 90 9 3.7 1.2
May 71.4 48.6 97 20 4.3 0.0
June 80.5 58.5 105 33 4.4 0.0
July 83.6 61.9 109 40 4.4 0.0
August 81.8 60.3 103 36 4.1 0.0
September 75.9 52.9 102 24 3.2 0.0
October 63.1 42.1 93 16 3.3 0.1
November 48.4 31.8 82 -9 3.0 3.3
December 36.5 22.7 71 -23 2.6 11.6
Entire year 59.7 40.1 109 -25 40.2 55.2
More Plymouth Weather Records
1894–2024
Highest daily low 82 °F July 11, 1937
Lowest daily high -13 °F January 19, 1994
Greatest daily range
(Difference of high and low)
56 °F January 19, 1996
Greatest difference in daily high
over two conscutive days
49 °F Jan 19–20, 1996
Most daily precipitation 5.3 inches August 18, 1990
Most monthly precipitation 14.5 inches October 1954
Most yearly precipitation 56.6 inches 1990
Most yearly days with precipitation 172 1993
Earliest snow in season October 10 1906
Latest snow in season May 9 1923
Most daily snow 19.0 inches January 3, 1999
Most monthly snow 47.7 inches January 1999
Most yearly snow 107.9 inches 1977
Most snow in a winter 116.4 inches 1977–1978
Greatest snow accumulation 28.0 inches January 28, 1978
Earliest freeze September 18 1959
Earliest day ≥ 80 °F March 15 2012
Earliest day ≥ 90 °F April 22 1980
Earliest day ≥ 100 °F June 1 1934
Latest freeze May 27 1961
Latest day ≥ 80 °F November 1 1950
Latest day ≥ 90 °F October 9 1949
Latest day ≥ 100 °F September 15 1939
Most days in a year < 0 °F 31 1963
Most days in a year < 32 °F 148 1937
Most days in a year ≥ 80 °F 122 1959
Most days in a year ≥ 90 °F 60 1983
Most days in a year ≥ 100 °F 11 1933
Plymouth Weather Streaks
Most consecutive days...
With precipitation 13 days May 19–31, 2019
Without precipitation 32 days Aug 31 – Oct 1, 1979
With snow 9 days Nov 30 – Dec 8, 1964
High temperature at or
below freezing
45 days Dec 26, 1976 – Feb 8, 1977
High temperature ≥ 80 °F 68 days Jun 24 – Aug 30, 1955
High temperature ≥ 90 °F 15 days Jun 17 – Jul 1, 1933
High temperature ≥ 100 °F 8 days Jul 7–14, 1936
Plant Hardiness Zone
6A
Plymouth is in plant hardiness zone 6A
based on average yearly minimum temperature from 1991–2020
Plymouth Weather by Year
More Plymouth Weather
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Weather Station Details
Years Station Coordinates
1989–2024 Plymouth location
1894–1989 Plymouth Power Substation location