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Long Sault (ON) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Long Sault.
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Climate overview of Long Sault
Long Sault, Ontario, Canada, sees big temperature differences between seasons, with July peaking at 27°C (81°F) and January dropping to -4°C (25°F).
The city receives considerable rain/snowfall, with around 1024 mm (40 in) annually. June is the wettest month. It has warm summers and very cold winters.
Long Sault Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Long Sault - and find the best time to visit.
Monthly Temperature in Long Sault
Visitors to Long Sault can expect significant temperature changes throughout the year. Typically, average maximum daytime temperatures range from a comfortable 27°C (81°F) in July to a very cold -4°C (25°F) in the coolest month, January.
Nights vary from 16°C (61°F) in July to around -13°C (9°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Long Sault
Long Sault is known for its substantial rain/snowfall, with annual precipitation reaching 1024 mm (40 in). Long Sault offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month June (117 mm (4.6 in)) and the driest month March (58 mm (2.3 in)) is not too significant. For more details, please visit our Long Sault 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 Long Sault
The most comfortable overall weather for exploring Long Sault is usually found in May, July, August and September. Conditions are generally least comfortable in January, February, March, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
very cold
Feb
very cold
Mar
cold
Apr
mixed
May
excellent
Jun
very good
Jul
excellent
Aug
excellent
Sep
excellent
Oct
mixed
Nov
cold
Dec
cold
- Best overall: May, July, August and September
- Warmest weather: July and August
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -13°C (9°F).
Frequently asked questions about the climate in Long Sault
What is the best time to visit Long Sault?
May, July, August and September typically offer the most optimal weather in Long Sault. In contrast, January, February, March, November and December tend to have less optimal conditions. Long Sault has warm summers and very cold winters.
What temperatures can I expect in Long Sault?
Daytime highs range from -4°C (25°F) in January to 27°C (81°F) in July. Nighttime lows range from -13°C (9°F) to 16°C (61°F). Temperatures vary considerably through the year.
How much rain does Long Sault get?
Annual rainfall is around 1024 mm (40 in). June is the wettest month with 117 mm (4.6 in), while March is the driest with 58 mm (2.3 in).
Long Sault 3-Day Forecast
Long Sault on the map
Long Sault is highlighted - select any city to see its climate.
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