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Weather & Climate in Casey, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Casey has a cool climate with an average annual temperature of 37°F (3°C). Winters average 4°F in January while summers reach 65°F in July / a wide seasonal temperature swing of 61°F. The area gets 277 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 32.7 inches. The area receives 12.8 inches of snow annually. The city sits at an elevation of 597 feet.
Temperature
4°F Jan (-16°C)
65°F Jul (18°C)
| Annual Average | 36.8°F |
| 32% below US avg | |
| January Average | 4°F (-16°C) |
| July Average | 65°F (18°C) |
| Sunny Days | 277 days/yr |
Geography
| Elevation | 597 ft (182 m) |
| Area | 31.2 sq mi (80.8 km²) |
| Population Density | 11/sq mi |
| Coordinates | 47.6387°N, 79.5746°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
5 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.7.
| Jan 1, 2000 | 17 km NNE of Notre-Dame-du-Lac, Canada | M4.7 | 97 km | 18 km |
| Oct 10, 1995 | southern Quebec, Canada | M3.5 | 149 km | 18 km |
| May 2, 2015 | 12 km NE of Notre-Dame-du-Lac, Canada | M3.3 | 103 km | 18 km |
| Apr 1, 2020 | 3 km NE of Saint-Isidore, Canada | M2.9 | 31 km | 10 km |
| Jul 25, 2020 | 33 km NW of Malartic, Canada | M2.9 | 114 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 4°F (-16°C) | 2.1 in | Coldest |
| February | 7°F (-14°C) | 1.6 in | Driest |
| March | 19°F (-7°C) | 2.2 in | |
| April | 35°F (2°C) | 2.2 in | |
| May | 50°F (10°C) | 3.0 in | |
| June | 60°F (15°C) | 3.3 in | |
| July | 65°F (18°C) | 3.4 in | Warmest |
| August | 63°F (17°C) | 3.6 in | Wettest |
| September | 54°F (12°C) | 3.6 in | |
| October | 43°F (6°C) | 3.2 in | |
| November | 29°F (-2°C) | 2.5 in | |
| December | 13°F (-11°C) | 2.2 in |
Casey has a seasonal temperature swing of 61°F / from 4°F in January to 65°F in July. Total annual precipitation is 32.7 inches, with August being the wettest month (3.6") and February the driest (1.6").