Climate Insights for Smooth Rock Falls

The climate in Smooth Rock Falls is cool. The average annual temperature is 2°C and approximately 832mm of precipitation falls per year. Smooth Rock Falls receives a notable amount of rainfall throughout the year, including during its driest month. Smooth Rock Falls is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are February, January, December, when temperatures can drop to -20°C. Snowfall occurs from January to December, with around 177cm accumulating over the season.

Smooth Rock Falls has a wide annual temperature range, spanning 45°C from the coldest to warmest months. July is the warmest month, though highs remain moderate at 25°C with a mean of 18°C. February brings the harshest conditions, with lows dropping to -20°C and an average temperature of -15°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 10°C shift in average temperatures.

Smooth Rock Falls is a moderately rainy area, receiving approximately 832mm of precipitation annually, which averages out to around 69mm per month. The wettest month is June, averaging 106mm of rainfall. September and October also tend to see above-average precipitation. The driest month is January, with just 35mm. That's 70mm less than June, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Snowfall is a regular feature from January to December, with around 177cm accumulating over the season. December typically sees the most snow at around 30cm.

Smooth Rock Falls is mildly breezy, with an average annual wind speed of 16km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 17km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 15km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.

It is currently spring in Smooth Rock Falls, which began on March 20, 2026. Smooth Rock Falls is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 25°C, while the coldest stretch bottoms out in February near -20°C. Summer is next, beginning on June 21, 2026 — 88 days from now.

The best time to visit Smooth Rock Falls is during July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 76mm per month. By contrast, February can be quite cold with temperatures dropping to -20°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Smooth Rock Falls based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.