Plymouth Weather Records

Plymouth, Wisconsin weather averages and records from 1910–2024 based on data made available by the NOAA.
All-Time Recorded High
The highest temperature ever recorded in Plymouth, Wisconsin was 107 °F which occurred on July 19, 2005.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in Plymouth, Wisconsin was -29 °F which occurred on January 10, 1982.
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 26.4 11.7 60 -29 1.6 13.0
February 29.7 13.8 71 -27 1.4 10.8
March 40.8 23.8 84 -18 2.0 6.1
April 53.6 34.4 89 8 3.6 2.2
May 65.7 45.4 94 21 4.0 0.2
June 75.9 55.2 101 30 4.2 0.0
July 81.1 60.3 107 39 3.6 0.0
August 78.8 58.9 101 36 3.7 0.0
September 71.9 50.8 98 25 2.8 0.0
October 58.5 39.5 88 6 3.0 0.1
November 44.2 28.6 75 -7 2.1 2.4
December 32.3 18.4 67 -20 1.8 10.5
Entire year 55.0 36.8 107 -29 33.8 46.4
More Plymouth Weather Records
1910–2024
Highest daily low 83 °F July 14, 1995
Lowest daily high -19 °F January 19, 1994
Greatest daily range
(Difference of high and low)
57 °F February 28, 2024
Greatest difference in daily high
over two conscutive days
49 °F Feb 28–29, 2024
Most daily precipitation 6.1 inches September 11, 1986
Most monthly precipitation 13.7 inches September 1986
Most yearly precipitation 45.5 inches 1973
Most yearly days with precipitation 148 2000
Earliest snow in season October 6 1935
Latest snow in season May 18 1915
Most daily snow 18.0 inches March 19, 1971
Most monthly snow 47.6 inches December 2008
Most yearly snow 112.9 inches 1985
Most snow in a winter 105.0 inches 1978–1979
Greatest snow accumulation 28.0 inches January 24, 1979
Earliest freeze September 14 1923
Earliest day ≥ 70 °F February 23 2017
Earliest day ≥ 80 °F March 22 2012
Earliest day ≥ 90 °F May 2 1959
Earliest day ≥ 100 °F June 1 1934
Latest freeze June 4 1945
Latest day ≥ 70 °F November 18 1953
Latest day ≥ 80 °F October 26 1927
Latest day ≥ 90 °F September 24 2017
Latest day ≥ 100 °F August 17 1988
Most days in a year < 0 °F 38 2014
Most days in a year < 32 °F 171 1926
Most days in a year ≥ 80 °F 86 2005
Most days in a year ≥ 90 °F 39 1988
Most days in a year ≥ 100 °F 8 1936
Plymouth Weather Streaks
Most consecutive days...
With precipitation 13 days Jun 17–29, 1928
Without precipitation 29 days Oct 18 – Nov 15, 1952
With snow 7 days Feb 1–7, 1974
High temperature at or
below freezing
50 days Jan 1 – Feb 19, 1979
High temperature ≥ 80 °F 45 days Jun 16 – Jul 30, 1921
High temperature ≥ 90 °F 17 days Jul 10–26, 2005
High temperature ≥ 100 °F 8 days Jul 7–14, 1936
Plant Hardiness Zone
5B
Plymouth is in plant hardiness zone 5B
based on average yearly minimum temperature from 1991–2020
Plymouth Weather by Year
More Plymouth Weather
Compare Plymouth to
Weather Station Details
Years Station Coordinates
1910–2024 Plymouth WWTP location