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Weather & Climate in Marmora and Lake, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Marmora and Lake has a cool climate with an average annual temperature of 43°F (6°C). Winters average 15°F in January while summers reach 67°F in July. The area gets 270 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 36.7 inches. The area receives 14.5 inches of snow annually. The city sits at an elevation of 873 feet.
Temperature
15°F Jan (-9°C)
67°F Jul (20°C)
| Annual Average | 42.5°F |
| 21% below US avg | |
| January Average | 15°F (-9°C) |
| July Average | 67°F (20°C) |
| Sunny Days | 270 days/yr |
Geography
| Elevation | 873 ft (266 m) |
| Area | 207.8 sq mi (538.3 km²) |
| Population Density | 21/sq mi |
| Coordinates | 44.6250°N, 77.7240°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
15 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.
| Nov 26, 1999 | 14 km ESE of Centennial Scarborough, Canada | M3.8 | 144 km | 13 km |
| Dec 25, 1998 | 23 km SE of Cobourg, Canada | M3.6 | 90 km | 18 km |
| Oct 20, 2013 | 34 km SSW of Petawawa, Canada | M3.6 | 112 km | 18 km |
| May 28, 2002 | 11 km WNW of Shawville, Canada | M3.4 | 141 km | 18 km |
| May 24, 2000 | 4 km ENE of Centennial Scarborough, Canada | M3.1 | 143 km | 18 km |
| May 8, 2018 | 14 km SSE of Ajax, Canada | M3.0 | 139 km | 5 km |
| Aug 4, 2004 | 30 km SSW of Cobourg, Canada | M3.0 | 112 km | 5 km |
| Nov 7, 2002 | 13 km SSW of Belleville, Canada | M3.0 | 68 km | 18 km |
| Jul 19, 2007 | 27 km S of Cobourg, Canada | M3.0 | 108 km | 5 km |
| Jul 27, 2014 | 13 km SW of Pembroke, Canada | M2.9 | 130 km | 18 km |
| Aug 11, 2007 | 4 km N of Kingston, Canada | M2.6 | 106 km | 4 km |
| Mar 29, 2020 | 11 km N of Lyndonville, New York | M2.6 | 143 km | 5 km |
| Jul 11, 2017 | 11 km NNW of Barker, New York | M2.5 | 150 km | 5 km |
| May 10, 2022 | southern Ontario, Canada | M2.5 | 142 km | 11 km |
| Feb 13, 2014 | 34 km N of Lyndonville, New York | M2.5 | 122 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 15°F (-9°C) | 3.1 in | Coldest |
| February | 17°F (-8°C) | 2.2 in | Driest |
| March | 27°F (-3°C) | 2.6 in | |
| April | 41°F (5°C) | 2.8 in | |
| May | 53°F (12°C) | 3.2 in | |
| June | 62°F (17°C) | 3.4 in | |
| July | 67°F (20°C) | 2.8 in | Warmest |
| August | 65°F (19°C) | 3.0 in | |
| September | 57°F (14°C) | 3.6 in | |
| October | 46°F (8°C) | 3.3 in | |
| November | 35°F (2°C) | 3.7 in | Wettest |
| December | 22°F (-5°C) | 2.9 in |
Marmora and Lake has a seasonal temperature swing of 52°F / from 15°F in January to 67°F in July. Total annual precipitation is 36.7 inches, with November being the wettest month (3.7") and February the driest (2.2").