Annual Weather Averages Near Welland
Averages are for Port Colborne Airport, which is 9 miles from Welland.
Based on weather reports collected during 2012–2021.
All Year Climate & Weather Averages in Welland
High Temp: 76 °F
Low Temp: 20 °F
Mean Temp: 49 °F
Precipitation: 1.14"
Humidity: 71%
Dew Point: 40 °F
Wind: 24 mph
Pressure: 30.03 "Hg
Visibility: 9 mi
January Climate & Weather Averages in Welland
High Temp: 33 °F
Low Temp: 21 °F
Mean Temp: 27 °F
Precipitation: 0.43"
Humidity: 73%
Dew Point: 19 °F
Wind: 30 mph
Pressure: 30.06 "Hg
Visibility: 8 mi
February Climate & Weather Averages in Welland
High Temp: 32 °F
Low Temp: 20 °F
Mean Temp: 26 °F
Precipitation: 0.65"
Humidity: 73%
Dew Point: 18 °F
Wind: 27 mph
Pressure: 30.06 "Hg
Visibility: 8 mi
March Climate & Weather Averages in Welland
High Temp: 41 °F
Low Temp: 27 °F
Mean Temp: 34 °F
Precipitation: 1.41"
Humidity: 68%
Dew Point: 24 °F
Wind: 23 mph
Pressure: 30.09 "Hg
Visibility: 9 mi
April Climate & Weather Averages in Welland
High Temp: 51 °F
Low Temp: 36 °F
Mean Temp: 43 °F
Precipitation: 1.51"
Humidity: 67%
Dew Point: 32 °F
Wind: 22 mph
Pressure: 29.99 "Hg
Visibility: 9 mi
May Climate & Weather Averages in Welland
High Temp: 64 °F
Low Temp: 49 °F
Mean Temp: 56 °F
Precipitation: 1.38"
Humidity: 68%
Dew Point: 45 °F
Wind: 18 mph
Pressure: 30.01 "Hg
Visibility: 9 mi
June Climate & Weather Averages in Welland
High Temp: 72 °F
Low Temp: 59 °F
Mean Temp: 65 °F
Precipitation: 1.74"
Humidity: 71%
Dew Point: 55 °F
Wind: 19 mph
Pressure: 29.95 "Hg
Visibility: 9 mi
July Climate & Weather Averages in Welland
High Temp: 76 °F
Low Temp: 66 °F
Mean Temp: 71 °F
Precipitation: 1.59"
Humidity: 73%
Dew Point: 62 °F
Wind: 19 mph
Pressure: 29.98 "Hg
Visibility: 10 mi
August Climate & Weather Averages in Welland
High Temp: 76 °F
Low Temp: 65 °F
Mean Temp: 71 °F
Precipitation: 0.87"
Humidity: 71%
Dew Point: 61 °F
Wind: 21 mph
Pressure: 30.00 "Hg
Visibility: 10 mi
September Climate & Weather Averages in Welland
High Temp: 71 °F
Low Temp: 59 °F
Mean Temp: 65 °F
Precipitation: 1.37"
Humidity: 72%
Dew Point: 56 °F
Wind: 21 mph
Pressure: 30.07 "Hg
Visibility: 9 mi
October Climate & Weather Averages in Welland
High Temp: 61 °F
Low Temp: 49 °F
Mean Temp: 55 °F
Precipitation: 1.32"
Humidity: 72%
Dew Point: 45 °F
Wind: 26 mph
Pressure: 30.02 "Hg
Visibility: 9 mi
November Climate & Weather Averages in Welland
High Temp: 48 °F
Low Temp: 36 °F
Mean Temp: 42 °F
Precipitation: 0.55"
Humidity: 69%
Dew Point: 32 °F
Wind: 30 mph
Pressure: 30.09 "Hg
Visibility: 9 mi
December Climate & Weather Averages in Welland
High Temp: 39 °F
Low Temp: 29 °F
Mean Temp: 34 °F
Precipitation: 0.88"
Humidity: 74%
Dew Point: 27 °F
Wind: 29 mph
Pressure: 30.05 "Hg
Visibility: 8 mi