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Weather & Climate in Smooth Rock Falls, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Smooth Rock Falls has a cool climate with an average annual temperature of 33°F (1°C). Winters average -1°F in January while summers reach 62°F in July / a wide seasonal temperature swing of 63°F. The area gets 274 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 33.9 inches. The area receives 13.4 inches of snow annually. The city sits at an elevation of 787 feet.
Temperature
-1°F Jan (-19°C)
62°F Jul (17°C)
| Annual Average | 33.1°F |
| 39% below US avg | |
| January Average | -1°F (-19°C) |
| July Average | 62°F (17°C) |
| Sunny Days | 274 days/yr |
Geography
| Elevation | 787 ft (240 m) |
| Area | 77.1 sq mi (199.7 km²) |
| Population Density | 16/sq mi |
| Coordinates | 49.2835°N, 81.6331°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
4 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.7.
| Jan 3, 2006 | 68 km NNW of Iroquois Falls, Canada | M3.7 | 40 km | 15 km |
| Aug 16, 1996 | 42 km WSW of Kapuskasing, Canada | M3.5 | 94 km | 18 km |
| Mar 4, 2006 | 63 km E of Kapuskasing, Canada | M3.4 | 26 km | 18 km |
| Feb 1, 1999 | 58 km NNW of Iroquois Falls, Canada | M3.4 | 50 km | 18 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | -1°F (-19°C) | 2.2 in | Coldest |
| February | 3°F (-16°C) | 1.7 in | Driest |
| March | 15°F (-9°C) | 1.9 in | |
| April | 32°F (-0°C) | 2.1 in | |
| May | 47°F (8°C) | 2.6 in | |
| June | 57°F (14°C) | 3.1 in | |
| July | 62°F (17°C) | 4.2 in | Warmest, Wettest |
| August | 60°F (16°C) | 3.3 in | |
| September | 51°F (11°C) | 4.0 in | |
| October | 40°F (4°C) | 3.4 in | |
| November | 25°F (-4°C) | 2.8 in | |
| December | 7°F (-14°C) | 2.6 in |
Smooth Rock Falls has a seasonal temperature swing of 64°F / from -1°F in January to 62°F in July. Total annual precipitation is 33.9 inches, with July being the wettest month (4.2") and February the driest (1.7").