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

Cornwall Weather Records

Cornwall, Vermont weather data and records from 1894–2022 based on data compiled by the NOAA.
All data displayed in U.S. customary units.
All data displayed in metric units.
All-Time Recorded High
The highest temperature ever recorded in Cornwall, Vermont was 104.0 °F40.0 °C which occurred on August 21, 1916.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in Cornwall, Vermont was -32.1 °F-35.6 °C which occurred on December 30, 1933.
Lowest Temperatures: All-Time By Year
Cornwall 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°C) 28.1-2.2 30.6-0.8 40.54.7 54.312.4 67.719.9 76.024.4 81.427.5 79.526.4 72.322.4 58.314.6 45.97.7 33.81.0 55.813.2
🌙 Average low (°F°C) 9.7-12.4 11.0-11.7 21.0-6.1 32.90.5 45.27.3 54.412.4 59.615.3 57.614.2 49.79.8 38.93.8 29.2-1.6 18.1-7.7 35.62.0
☀️ Record high (°F°C) 64.017.8 66.018.9 82.027.8 91.032.8 95.035.0 99.037.2 102.038.9 104.040.0 96.135.6 88.031.1 77.025.0 66.919.4 104.040.0
🌙 Record low (°F°C) -29.9-34.4 -31.0-35.0 -20.0-28.9 1.9-16.7 19.9-6.7 30.9-0.6 39.03.9 32.00.0 21.9-5.6 12.9-10.6 -5.1-20.6 -32.1-35.6 -32.1-35.6
💧 Average precipitation (inchescm) 2.25.7 1.84.6 2.25.5 3.07.5 3.28.1 3.89.6 3.89.6 3.58.9 3.28.1 4.010.2 2.76.8 2.87.2 35.690.3
💧 Daily % chance precipitation 37.7 32.9 28.6 35.9 36.5 41.0 36.8 34.7 29.6 41.8 33.6 38.9 37.0
❄️ Average snow (inchescm) 13.734.9 13.835.1 10.426.5 2.66.7 0.00.0 0.00.0 0.00.0 0.00.0 0.00.0 0.30.7 3.17.9 13.734.8 58.9149.6
❄️ Daily % chance snow 26.0 24.8 12.7 4.0 0.1 0.0 0.0 0.0 0.0 0.4 5.3 21.5 7.9
More Cornwall Weather Records
1894–2022
Highest daily low 79.0 °F26.1 °C July 18, 1900
Lowest daily high -11.0 °F-23.9 °C January 14, 1914
Most daily precipitation 4.7 inches11.9 cm August 18, 1986
Most monthly precipitation 9.3 inches23.5 cm August 1986
Most yearly precipitation 48.1 inches122.2 cm 1976
Earliest freeze September 2 2017
Latest freeze June 11 1972
Earliest snow October 4 1987
Latest snow May 11 1945
Most daily snow 24.0 inches61.0 cm March 9, 1916
Most monthly snow 52.0 inches132.0 cm March 1900
Most yearly snow 125.6 inches318.9 cm 1920
Cornwall Weather Streaks
Most consecutive days...
With precipitation 14 days Nov 2–15, 1969
Without precipitation 26 days Jul 15 – Aug 9, 1956
With snow 9 days Jan 7–15, 1978
High temperature ≤ 32 °F0 °C
freezing temperatures
40 days Jan 3 – Feb 11, 1985
High temperature ≥ 80 °F27 °C 33 days Jul 12 – Aug 13, 1949
High temperature ≥ 90 °F32 °C 8 days Aug 28 – Sep 4, 1953
High temperature ≥ 100 °F38 °C 3 days Jul 2–4, 1911
Facts About Cornwall Weather
Cornwall Weather by Year
More
Weather Station Details
Years Station Coordinates
1894–2022 Cornwall location