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Weather & Climate in Thornloe, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Thornloe has a cool climate with an average annual temperature of 36°F (2°C). Winters average 3°F in January while summers reach 64°F in July / a wide seasonal temperature swing of 61°F. The area gets 278 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 32.0 inches. The area receives 12.8 inches of snow annually. The city sits at an elevation of 715 feet.
Temperature
3°F Jan (-16°C)
64°F Jul (18°C)
| Annual Average | 36.2°F |
| 33% below US avg | |
| January Average | 3°F (-16°C) |
| July Average | 64°F (18°C) |
| Sunny Days | 278 days/yr |
Geography
| Elevation | 715 ft (218 m) |
| Area | 2.5 sq mi (6.6 km²) |
| Population Density | 36/sq mi |
| Coordinates | 47.6676°N, 79.7601°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
4 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 | 107 km | 18 km |
| May 2, 2015 | 12 km NE of Notre-Dame-du-Lac, Canada | M3.3 | 113 km | 18 km |
| Apr 1, 2020 | 3 km NE of Saint-Isidore, Canada | M2.9 | 44 km | 10 km |
| Jul 25, 2020 | 33 km NW of Malartic, Canada | M2.9 | 122 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 3°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) | 2.8 in | |
| June | 59°F (15°C) | 3.2 in | |
| July | 64°F (18°C) | 3.3 in | Warmest |
| August | 62°F (17°C) | 3.5 in | |
| September | 54°F (12°C) | 3.5 in | Wettest |
| October | 42°F (6°C) | 2.9 in | |
| November | 28°F (-2°C) | 2.4 in | |
| December | 12°F (-11°C) | 2.2 in |
Thornloe has a seasonal temperature swing of 61°F / from 3°F in January to 64°F in July. Total annual precipitation is 31.9 inches, with September being the wettest month (3.5") and February the driest (1.6").