Annual Weather Averages Near Welland
Averages are for Port Colborne Airport, which is 15 kilometers from Welland.
Based on weather reports collected during 2012–2021.
All Year Climate & Weather Averages in Welland
High Temp: 25 °C
Low Temp: -6 °C
Mean Temp: 10 °C
Precipitation: 29.0 mm
Humidity: 71%
Dew Point: 4 °C
Wind: 38 km/h
Pressure: 101.69 kPa
Visibility: 14 km
January Climate & Weather Averages in Welland
High Temp: 1 °C
Low Temp: -6 °C
Mean Temp: -3 °C
Precipitation: 10.9 mm
Humidity: 73%
Dew Point: -7 °C
Wind: 48 km/h
Pressure: 101.78 kPa
Visibility: 13 km
February Climate & Weather Averages in Welland
High Temp: 0 °C
Low Temp: -6 °C
Mean Temp: -3 °C
Precipitation: 16.5 mm
Humidity: 73%
Dew Point: -8 °C
Wind: 44 km/h
Pressure: 101.81 kPa
Visibility: 13 km
March Climate & Weather Averages in Welland
High Temp: 5 °C
Low Temp: -3 °C
Mean Temp: 1 °C
Precipitation: 35.9 mm
Humidity: 68%
Dew Point: -5 °C
Wind: 37 km/h
Pressure: 101.88 kPa
Visibility: 14 km
April Climate & Weather Averages in Welland
High Temp: 10 °C
Low Temp: 2 °C
Mean Temp: 6 °C
Precipitation: 38.2 mm
Humidity: 67%
Dew Point: 0 °C
Wind: 36 km/h
Pressure: 101.57 kPa
Visibility: 15 km
May Climate & Weather Averages in Welland
High Temp: 18 °C
Low Temp: 9 °C
Mean Temp: 14 °C
Precipitation: 35.2 mm
Humidity: 68%
Dew Point: 7 °C
Wind: 30 km/h
Pressure: 101.62 kPa
Visibility: 15 km
June Climate & Weather Averages in Welland
High Temp: 22 °C
Low Temp: 15 °C
Mean Temp: 19 °C
Precipitation: 44.3 mm
Humidity: 71%
Dew Point: 13 °C
Wind: 30 km/h
Pressure: 101.41 kPa
Visibility: 15 km
July Climate & Weather Averages in Welland
High Temp: 25 °C
Low Temp: 19 °C
Mean Temp: 22 °C
Precipitation: 40.5 mm
Humidity: 73%
Dew Point: 17 °C
Wind: 31 km/h
Pressure: 101.52 kPa
Visibility: 15 km
August Climate & Weather Averages in Welland
High Temp: 25 °C
Low Temp: 19 °C
Mean Temp: 22 °C
Precipitation: 22.2 mm
Humidity: 71%
Dew Point: 16 °C
Wind: 33 km/h
Pressure: 101.60 kPa
Visibility: 15 km
September Climate & Weather Averages in Welland
High Temp: 22 °C
Low Temp: 15 °C
Mean Temp: 19 °C
Precipitation: 34.7 mm
Humidity: 72%
Dew Point: 13 °C
Wind: 34 km/h
Pressure: 101.81 kPa
Visibility: 15 km
October Climate & Weather Averages in Welland
High Temp: 16 °C
Low Temp: 9 °C
Mean Temp: 13 °C
Precipitation: 33.5 mm
Humidity: 72%
Dew Point: 7 °C
Wind: 42 km/h
Pressure: 101.67 kPa
Visibility: 15 km
November Climate & Weather Averages in Welland
High Temp: 9 °C
Low Temp: 2 °C
Mean Temp: 6 °C
Precipitation: 13.9 mm
Humidity: 69%
Dew Point: 0 °C
Wind: 48 km/h
Pressure: 101.90 kPa
Visibility: 14 km
December Climate & Weather Averages in Welland
High Temp: 4 °C
Low Temp: -2 °C
Mean Temp: 1 °C
Precipitation: 22.4 mm
Humidity: 74%
Dew Point: -3 °C
Wind: 46 km/h
Pressure: 101.76 kPa
Visibility: 13 km