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Hanover Weather Records

Hanover, New Hampshire Weather averages and records from 1893–2022 based on data made available by the NOAA.
All-Time Recorded High
The highest temperature ever recorded in Hanover, New Hampshire was 103 °F which occurred on August 2, 1975.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in Hanover, New Hampshire was -40 °F which occurred on February 16, 1943.
Lowest Temperatures: All-Time By Year
Hanover Weather by Month
Averages based on the years 1991–2020
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
☀️ Average high (°F) 29.4 33.3 42.7 57.1 69.8 77.8 82.4 80.5 72.6 59.3 46.2 34.4 57.2
🌙 Average low (°F) 12.1 13.5 22.3 33.9 45.2 54.4 60.0 58.3 51.0 39.7 30.2 19.4 36.8
☀️ Record high (°F) 64 66 86 93 96 98 101 103 97 87 79 76 103
🌙 Record low (°F) -34 -40 -22 0 20 29 38 33 22 11 -12 -37 -40
💧 Average precipitation (inches) 2.7 2.3 3.0 3.2 2.9 3.5 4.4 3.4 3.2 4.0 3.0 3.2 39.8
❄️ Average snow (inches) 15.7 12.8 11.1 1.9 0.0 0.0 0.0 0.0 0.0 0.1 2.1 13.1 56.5
More Hanover Weather Records
1893–2022
Highest daily low 75 °F July 20, 2020
Lowest daily high -12 °F December 30, 1933
Greatest daily range
(Difference of high and low)
58 °F February 21, 1990
Difference in high temperature
over two conscutive days
46 °F Dec 15–16, 1901
Most daily precipitation 4.1 inches March 20, 1896
Most monthly precipitation 11.3 inches October 2005
Most yearly precipitation 54.6 inches 1983
Earliest freeze September 10 1913
Latest freeze June 20 1918
Earliest snow in season October 6 1911
Latest snow in season May 31 1900
Most daily snow 24.5 inches February 16, 1958
Most monthly snow 49.5 inches February 1958
Most yearly snow 125.6 inches 1958
Most days in a year ≥ 80 °F 94 2016
Most days in a year ≥ 90 °F 40 1988
Most days in a year ≥ 100 °F 4 1988
Hanover Weather Streaks
Most consecutive days...
With precipitation 15 days Oct 3–17, 2012
Without precipitation 28 days Oct 1–28, 1947
With snow 9 days Nov 27 – Dec 5, 1940
Freezing temperatures
High temperature ≤ 32 °F
33 days Dec 15, 1969 – Jan 16, 1970
High temperature ≥ 80 °F 30 days Jul 7 – Aug 5, 2022
High temperature ≥ 90 °F 11 days Jul 4–14, 1988
High temperature ≥ 100 °F 3 days Jul 8–10, 1988
Hanover Weather by Year
More
Weather Station Details
Years Station Coordinates
1893–2022 Hanover location