Waterloo (QC) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Waterloo.
Climate overview of Waterloo
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. However, this rain/snowfall is not evenly distributed, the city has warm summers and very cold winters. The wettest month is June.
Waterloo Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Waterloo - and find the best time to visit.
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
Best Time to Visit Waterloo
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July, August and September
- Warmest weather: July and August
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -14°C (7°F).
Frequently asked questions about the climate in Waterloo
What is the best time to visit Waterloo?
June, July, August and September typically offer the most optimal weather in Waterloo. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Waterloo has warm summers and very cold winters.
What temperatures can I expect in Waterloo?
Daytime highs range from -4°C (25°F) in January to 26°C (79°F) in July. Nighttime lows range from -14°C (7°F) to 15°C (59°F). Temperatures vary considerably through the year.
How much rain does Waterloo get?
Annual rainfall is around 1327 mm (52 in). June is the wettest month with 139 mm (5.5 in), while February is the driest with 81 mm (3.2 in).
Waterloo 3-Day Forecast
Waterloo on the map
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