Welland Weather Records

Welland, Ontario weather averages and records from 1872–2024 based on data made available by the NOAA.
All-Time Recorded High
The highest temperature ever recorded in Welland, Ontario was 37.8 °C which occurred on August 26, 1948.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in Welland, Ontario was -32.8 °C which occurred on January 25, 1884.
Lowest Temperatures: All-Time By Year
Welland Weather by Month
Averages based on the years 1991–2020
Month Average (°C) Record (°C) Average (cm)
High ☀️ Low 🌙 High ☀️ Low 🌙 Precipitation 💧 Snow ❄️
January 0.3 -7.4 20.0 -32.8 8.4 42.5
February 0.8 -7.9 20.5 -31.9 4.9 24.7
March 5.4 -4.0 27.0 -27.8 6.7 27.9
April 12.3 1.7 32.5 -18.3 7.7 3.6
May 19.7 7.8 34.0 -6.1 8.1 0.0
June 24.5 13.5 36.1 1.1 7.8 0.0
July 27.1 16.5 37.8 3.9 7.8 0.0
August 26.2 15.6 37.8 0.5 8.4 0.0
September 22.6 11.8 35.0 -2.2 9.4 0.0
October 15.4 5.7 32.2 -8.9 8.9 0.4
November 8.6 0.5 25.6 -20.0 8.4 8.5
December 3.2 -4.3 20.6 -27.8 7.2 30.3
Entire year 14.0 4.3 37.8 -32.8 91.2 131.9
More Welland Weather Records
1872–2024
Highest daily low 26.0 °C July 6, 1993
Lowest daily high -20.6 °C February 8, 1934
Greatest daily range
(Difference of high and low)
29.4 °C May 6, 1932
Greatest difference in daily high
over two conscutive days
23.0 °C Mar 9–10, 2002
Most daily precipitation 14.1 cm July 3, 1892
Most monthly precipitation 24.0 cm September 1977
Most yearly precipitation 120.1 cm 1977
Most yearly days with precipitation 231 2016
Earliest snow in season October 10 1906
Latest snow in season May 14 1895
Most daily snow 81.3 cm March 1, 1900
Most monthly snow 177.7 cm February 1901
Most yearly snow 399.0 cm 1901
Most snow in a winter 404.4 cm 1900–1901
Earliest freeze September 10 1883
Earliest day ≥ 25 °C March 15 1990
Earliest day ≥ 30 °C April 28 1990
Earliest day ≥ 35 °C June 5 1925
Latest freeze May 24 1963
Latest day ≥ 25 °C November 7 1938
Latest day ≥ 30 °C October 7 1946
Latest day ≥ 35 °C September 6 1881
Most days in a year < 0 °C 170 1875
Most days in a year ≥ 20 °C 161 1941
Most days in a year ≥ 25 °C 108 1944
Most days in a year ≥ 30 °C 53 1949
Most days in a year ≥ 35 °C 5 1936
Welland Weather Streaks
Most consecutive days...
With precipitation 20 days Apr 27 – May 16, 2016
Without precipitation 32 days Sep 7 – Oct 8, 1877
With snow 10 days Feb 4–13, 1975
Freezing temperatures
High temperature ≤ 0 °C
40 days Jan 28 – Mar 8, 1978
High temperature ≥ 20 °C 113 days May 23 – Sep 12, 1899
High temperature ≥ 25 °C 70 days Jun 10 – Aug 18, 1949
High temperature ≥ 30 °C 15 days Aug 2–16, 1949
High temperature ≥ 35 °C 5 days Jul 9–13, 1936
Plant Hardiness Zone
6A
Welland is in plant hardiness zone 6A
based on average yearly minimum temperature from 1991–2020
Welland Weather by Year
More Welland Weather
Compare Welland to
Weather Station Details
Years Station Coordinates
2015–2024 Welland-Pelham location
1872–2014 Welland location