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. 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 (19°C)
| Annual Average | 42.5°F |
| 21% below US avg | |
| January Average | 15°F (-9°C) |
| July Average | 67°F (19°C) |
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 (19°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").