Welland (ON) Weather & Climate: Best Time to Visit

In Welland, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 26°C (79°F) in July to a very cold 1°C (34°F) in February.

Nighttime temperatures range from 20°C (68°F) in July to -6°C (21°F) in February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Welland experiences significant rain/snowfall throughout the year, averaging 1145 mm (45 in) of precipitation annually. The wettest period in Welland occurs in June, which receives around 112 mm (4.4 in) of precipitation. During the driest month, February, Welland experiences moderate snowfall, totaling 73 mm (2.9 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Welland Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

In Welland, summer days are longer and more sunny, with daily sunshine hours peaking at 10.2 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 2.3 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The relative humidity is high throughout the year in Welland.

The city experiences its highest humidity in December, reaching 77%. In April, the humidity drops to its lowest level at 67%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year