Lewistown Weather Records

Lewistown, Pennsylvania weather averages and records from 1938–2024 based on data made available by the NOAA.
All-Time Recorded High
The highest temperature ever recorded in Lewistown, Pennsylvania was 106 °F which occurred on July 23, 2011.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in Lewistown, Pennsylvania was -17 °F which occurred on January 20, 1994.
Lowest Temperatures: All-Time By Year
Lewistown Weather by Month
Averages based on the years 1991–2020
Month Average (°F) Record (°F) Average (inches)
High ☀️ Low 🌙 High ☀️ Low 🌙 Precipitation 💧 Snow ❄️
January 36.8 21.0 72 -17 2.9 8.7
February 40.3 22.3 78 -14 2.2 6.9
March 49.3 29.2 87 3 3.5 5.2
April 62.4 38.9 94 15 3.5 0.2
May 72.6 49.1 97 26 4.2 0.0
June 80.6 58.3 102 37 3.9 0.0
July 85.2 62.6 106 41 3.7 0.0
August 83.6 61.3 103 38 3.6 0.0
September 76.7 53.8 103 28 4.4 0.0
October 64.8 42.5 95 21 3.8 0.1
November 52.5 33.0 85 6 3.1 0.9
December 41.3 26.3 75 -16 3.3 4.7
Entire year 62.1 41.6 106 -17 41.6 27.1
More Lewistown Weather Records
1938–2024
Highest daily low 80 °F July 29, 1941
Lowest daily high 1 °F January 19, 1994
Greatest daily range
(Difference of high and low)
64 °F April 28, 1974
Greatest difference in daily high
over two conscutive days
39 °F Jan 13–14, 2018
Most daily precipitation 5.4 inches September 18, 2004
Most monthly precipitation 13.6 inches September 2011
Most yearly precipitation 61.6 inches 2018
Most yearly days with precipitation 178 2018
Earliest snow in season October 30 2011
Latest snow in season April 19 2022
Most daily snow 20.0 inches March 13, 1993
Most monthly snow 40.3 inches January 1996
Most yearly snow 78.2 inches 1994
Most snow in a winter 81.2 inches 1993–1994
Greatest snow accumulation 33.0 inches January 13, 1996
Earliest freeze September 11 1995
Earliest day ≥ 80 °F March 9 2000
Earliest day ≥ 90 °F April 17 1976
Latest freeze May 18 1981
Latest day ≥ 80 °F November 5 2003
Latest day ≥ 90 °F October 13 1954
Most days in a year < 0 °F 13 1948
Most days in a year < 32 °F 151 1981
Most days in a year ≥ 80 °F 123 1941
Most days in a year ≥ 90 °F 53 1943
Most days in a year ≥ 100 °F 3 1953
Lewistown Weather Streaks
Most consecutive days...
With precipitation 11 days May 1–11, 1989
Without precipitation 29 days May 21 – Jun 18, 1967
With snow 5 days Dec 19–23, 1945
High temperature at or
below freezing
16 days Dec 13–28, 1989
High temperature ≥ 80 °F 72 days Jul 6 – Sep 15, 2016
High temperature ≥ 90 °F 13 days Jun 16–28, 1943
High temperature ≥ 100 °F 3 days Sep 2–4, 1953
Plant Hardiness Zone
7A
Lewistown is in plant hardiness zone 7A
based on average yearly minimum temperature from 1991–2020
Lewistown Weather by Year
More Lewistown Weather
Compare Lewistown to
Weather Station Details
Years Station Coordinates
1938–2024 Lewistown location