Norwich Weather Records

Norwich, Connecticut weather averages and records from 1948–2024 based on data made available by the NOAA.
All-Time Recorded High
The highest temperature ever recorded in Norwich, Connecticut was 102 °F which occurred on August 10, 2001.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in Norwich, Connecticut was -21 °F which occurred on January 21, 1994.
Lowest Temperatures: All-Time By Year
Norwich Weather by Month
Averages based on the years 1991–2020
Month Average (°F) Record (°F) Average (inches)
High ☀️ Low 🌙 High ☀️ Low 🌙 Precipitation 💧 Snow ❄️
January 38.3 20.2 70 -21 3.9 7.4
February 41.0 22.5 72 -17 3.5 7.0
March 48.3 28.6 85 -1 5.1 4.8
April 59.8 38.1 94 8 4.5 0.8
May 70.7 48.0 98 26 3.7 0.0
June 79.1 57.5 98 33 4.4 0.0
July 84.5 63.8 101 43 3.5 0.0
August 83.2 62.0 102 40 4.6 0.0
September 76.0 53.9 101 29 4.6 0.0
October 64.4 42.7 88 18 4.9 0.0
November 53.4 33.4 80 6 4.0 0.4
December 43.5 26.2 77 -13 4.7 5.4
Entire year 62.0 41.6 102 -21 49.6 24.1
More Norwich Weather Records
1948–2024
Highest daily low 79 °F August 9, 2022
Lowest daily high 8 °F January 21, 1985
Greatest daily range
(Difference of high and low)
54 °F January 17, 1994
Greatest difference in daily high
over two conscutive days
44 °F Jan 7–8, 2014
Most daily precipitation 6.3 inches September 2, 2021
Most monthly precipitation 18.2 inches March 2010
Most yearly precipitation 67.1 inches 1983
Most yearly days with precipitation 140 2018
Earliest snow in season November 13 2013
Latest snow in season April 14 1950
Most daily snow 20.0 inches February 9, 2013
Most monthly snow 33.9 inches January 2005
Most yearly snow 65.0 inches 2005
Most snow in a winter 74.3 inches 1995–1996
Greatest snow accumulation 25.0 inches January 9, 1996
Earliest freeze September 18 1950
Earliest day ≥ 80 °F March 13 1990
Earliest day ≥ 90 °F April 8 2010
Latest freeze May 25 1956
Latest day ≥ 80 °F November 8 2022
Latest day ≥ 90 °F September 24 1959
Most days in a year < 0 °F 10 1977
Most days in a year < 32 °F 137 1956
Most days in a year ≥ 80 °F 97 2015
Most days in a year ≥ 90 °F 29 2002
Most days in a year ≥ 100 °F 2 1999
Norwich Weather Streaks
Most consecutive days...
With precipitation 11 days Nov 2–12, 1969
Without precipitation 37 days Aug 7 – Sep 12, 1995
With snow 4 days Dec 4–7, 2005
High temperature at or
below freezing
15 days Jan 20 – Feb 3, 1961
High temperature ≥ 80 °F 39 days Jul 9 – Aug 16, 1998
High temperature ≥ 90 °F 9 days Aug 12–20, 2002
Plant Hardiness Zone
6B
Norwich is in plant hardiness zone 6B
based on average yearly minimum temperature from 1991–2020
Norwich Weather by Year
More Norwich Weather
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Weather Station Details
Years Station Coordinates
1956–2024 Norwich Public Utility Plant location
1952–1956 Norwich 5 SW location
1948–1952 Norwich location