Waterloo (QC) Weather & Climate: Best Time to Visit

Waterloo, Quebec, Canada, experiences significant temperature variation throughout the year. Summers bring daytime highs of 26°C (79°F) in July, while winters cool to -4°C (25°F) in January.

With around 1327 mm (52 in) of annual rain/snowfall, Waterloo has a notably wet climate. The wettest month is June.

Monthly Temperature in Waterloo

Depending on the time of the year, temperatures range from comfortable to very cold in Waterloo. Average daytime temperatures reach a comfortable 26°C (79°F) in July. In January, the coolest month of the year, temperatures drop to a very cold -4°C (25°F).

At night, temperatures range from around 15°C (59°F) in July to -14°C (7°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Waterloo

Waterloo has a relatively rain/snowy climate with high precipitation levels, averaging 1327 mm (52 in) of rain/snowfall annually. Waterloo experiences moderate seasonal variation in rainfall, with monthly averages ranging from 139 mm (5.5 in) in June, the wettest month, and 81 mm (3.2 in) in February, the driest month. For more details, please visit our Waterloo Precipitation page.

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

The average number of days each month with precipitation

Waterloo (QC) 3-Day Forecast

10-Day Forecast

Select a Month

Check the conditions for any month of the year.

Best Time to Visit Waterloo

During the months of May, June, July, August and September, Waterloo enjoys pleasant weather with average temperatures ranging from 19°C (67°F) to 26°C (79°F). These months are perfect for sightseeing and exploring.

Rainfall during this time ranges from 114 mm (4.5 in) in September to 139 mm (5.5 in) in June. This means you can expect a mix of sunny days and occasional showers.

Wondering where to travel based on your weather preferences? Our recommendation tool helps you find destinations with your ideal climate conditions. Use our weather planner to find your perfect destination.