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Weather & Climate in Slate Falls, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Slate Falls has a cool climate with an average annual temperature of 32°F (0°C). Winters average -4°F in January while summers reach 63°F in July / a wide seasonal temperature swing of 67°F. The area gets 285 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 28.0 inches (drier than the 38-inch national average). The area receives 8.3 inches of snow annually. The city sits at an elevation of 1,270 feet.
Temperature
-4°F Jan (-20°C)
63°F Jul (17°C)
| Annual Average | 32.2°F |
| 40% below US avg | |
| January Average | -4°F (-20°C) |
| July Average | 63°F (17°C) |
| Sunny Days | 285 days/yr |
Geography
| Elevation | 1,270 ft (387 m) |
| Area | 24.3 sq mi (63.0 km²) |
| Population Density | 12/sq mi |
| Coordinates | 51.1498°N, 91.6184°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.9.
| Dec 17, 1999 | 227 km NE of Sioux Lookout, Canada | M3.9 | 133 km | 18 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | -4°F (-20°C) | 1.3 in | Coldest |
| February | 3°F (-16°C) | 1.0 in | Driest |
| March | 16°F (-9°C) | 1.4 in | |
| April | 33°F (0°C) | 1.5 in | |
| May | 47°F (8°C) | 2.5 in | |
| June | 57°F (14°C) | 3.7 in | |
| July | 63°F (17°C) | 3.7 in | Warmest, Wettest |
| August | 61°F (16°C) | 3.6 in | |
| September | 50°F (10°C) | 3.6 in | |
| October | 38°F (3°C) | 2.6 in | |
| November | 21°F (-6°C) | 1.9 in | |
| December | 2°F (-16°C) | 1.3 in |
Slate Falls has a seasonal temperature swing of 67°F / from -4°F in January to 63°F in July. Total annual precipitation is 28.0 inches, with July being the wettest month (3.7") and February the driest (1.0").