Moncton Weather Records

Moncton, New Brunswick weather averages and records from 1881–2024 based on data made available by the NOAA.
All-Time Recorded High
The highest temperature ever recorded in Moncton, New Brunswick was 36.7 °C which occurred on August 12, 1944.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in Moncton, New Brunswick was -37.8 °C which occurred on February 5, 1948.
Lowest Temperatures: All-Time By Year
Moncton Weather by Month
Averages based on the years 1991–2020
Month Average (°C) Record (°C) Average (cm)
High ☀️ Low 🌙 High ☀️ Low 🌙 Precipitation 💧 Snow ❄️
January -2.7 -12.3 17.2 -36.7 10.5 69.9
February -1.8 -12.0 18.0 -37.8 9.0 62.4
March 2.6 -7.1 21.1 -31.7 9.9 57.8
April 9.2 -0.8 29.0 -17.8 8.8 22.4
May 16.7 4.7 34.5 -7.2 9.1 1.9
June 22.0 10.0 35.6 -3.9 9.8 0.0
July 25.6 14.1 36.1 0.0 8.0 0.0
August 25.1 13.4 36.7 -1.1 7.8 0.0
September 20.6 9.2 35.0 -6.1 10.5 0.0
October 13.5 3.5 28.3 -9.4 10.9 1.1
November 6.8 -1.4 23.7 -21.1 9.9 17.9
December 0.2 -7.7 18.3 -32.8 12.0 57.0
Entire year 11.6 1.3 36.7 -37.8 113.4 286.2
More Moncton Weather Records
1881–2024
Highest daily low 25.6 °C August 8, 1937
Lowest daily high -26.1 °C December 29, 1933
Greatest daily range
(Difference of high and low)
40.0 °C January 3, 1936
Greatest difference in daily high
over two conscutive days
30.0 °C Jan 16–17, 1994
Most daily precipitation 12.2 cm December 10, 2014
Most monthly precipitation 30.3 cm January 1956
Most yearly precipitation 150.1 cm 2014
Most yearly days with precipitation 199 2018
Earliest snow in season October 5 1984
Latest snow in season June 2 1930
Most daily snow 76.2 cm February 24, 1882
Most monthly snow 168.6 cm February 2015
Most yearly snow 540.6 cm 2015
Most snow in a winter 506.6 cm 2014–2015
Greatest snow accumulation 150.0 cm February 26, 2015
Earliest freeze August 26 1942
Earliest day ≥ 20 °C March 27 1993
Earliest day ≥ 25 °C April 11 1945
Earliest day ≥ 30 °C May 14 1961
Earliest day ≥ 35 °C June 19 2020
Latest freeze June 20 1918
Latest day ≥ 20 °C November 25 1931
Latest day ≥ 25 °C October 23 1979
Latest day ≥ 30 °C September 26 2017
Latest day ≥ 35 °C September 1 2010
Most days in a year < 0 °C 206 1939
Most days in a year ≥ 20 °C 132 2001
Most days in a year ≥ 25 °C 82 1999
Most days in a year ≥ 30 °C 23 2020
Most days in a year ≥ 35 °C 5 1944
Moncton Weather Streaks
Most consecutive days...
With precipitation 24 days Jan 3–26, 1956
Without precipitation 30 days Apr 22 – May 21, 1911
With snow 14 days Dec 18–31, 2013
Freezing temperatures
High temperature ≤ 0 °C
41 days Dec 30, 1984 – Feb 8, 1985
High temperature ≥ 20 °C 80 days Jun 16 – Sep 3, 1961
High temperature ≥ 25 °C 22 days Jul 29 – Aug 19, 2001
High temperature ≥ 30 °C 8 days Aug 11–18, 2002
High temperature ≥ 35 °C 3 days Aug 13–15, 1947
Plant Hardiness Zone
5B
Moncton is in plant hardiness zone 5B
based on average yearly minimum temperature from 1991–2020
Moncton Weather by Year
More Moncton Weather
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Weather Station Details
Years Station Coordinates
2013–2024 Moncton International Airport location
1881–2012 Moncton location