Can't find what you're looking for? We're happy to answer your questions.

Mt. Washington Weather Records

Mt. Washington, New Hampshire Weather averages and records from 1948–2022 based on data made available by the NOAA.
All-Time Recorded High
The highest temperature ever recorded in Mt. Washington, New Hampshire was 72 °F which occurred on June 26, 2003.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in Mt. Washington, New Hampshire was -46 °F which occurred on January 8, 1968.
Lowest Temperatures: All-Time By Year
Mt. Washington 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) 14.6 14.7 20.7 30.6 42.3 51.1 55.0 53.9 48.7 37.4 28.0 19.9 34.9
🌙 Average low (°F) -2.4 -2.4 5.5 16.6 29.9 39.5 44.4 43.2 37.0 25.3 13.9 4.4 21.4
☀️ Record high (°F) 48 48 55 60 66 72 71 72 69 62 52 47 72
🌙 Record low (°F) -46 -42 -38 -20 -2 13 24 20 9 -2 -26 -41 -46
💧 Average precipitation (inches) 5.7 5.4 6.7 7.3 7.7 8.6 8.9 7.7 7.7 10.0 8.1 7.4 91.3
❄️ Average snow (inches) 40.3 43.3 46.4 32.9 13.1 1.2 0.0 0.1 1.2 19.3 34.6 47.6 279.9
More Mt. Washington Weather Records
1948–2022
Highest daily low 60 °F July 2, 2018
Lowest daily high -28 °F February 6, 1995
Greatest daily range
(Difference of high and low)
61 °F March 3, 1950
Difference in high temperature
over two conscutive days
49 °F Jan 9–10, 1978
Most daily precipitation 10.8 inches October 21, 1996
Most monthly precipitation 28.7 inches October 2005
Most yearly precipitation 121.6 inches 1972
Earliest freeze July 1 2007
Latest freeze June 30 2007
Earliest snow in season July 1 2010
Latest snow in season June 30 1988
Most daily snow 49.3 inches February 25, 1969
Most monthly snow 172.8 inches February 1969
Most yearly snow 495.4 inches 1969
Mt. Washington Weather Streaks
Most consecutive days...
With precipitation 24 days Dec 22, 1996 – Jan 14, 1997
Without precipitation 14 days Apr 28 – May 11, 2001
With snow 24 days Nov 7–30, 1968
Freezing temperatures
High temperature ≤ 32 °F
110 days Dec 5, 1962 – Mar 24, 1963
Facts About Mt. Washington Weather
Mt. Washington Weather by Year
More
Weather Station Details
Years Station Coordinates
1948–2022 Mt. Washington location