Weather & Climate in Mono, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mono has a cool climate with an average annual temperature of 42°F (6°C). Winters average 17°F in January while summers reach 66°F in July. Annual precipitation totals 35.4 inches. The area receives 12.8 inches of snow annually. The city sits at an elevation of 1,417 feet.
Temperature
17°F Jan (-9°C)
66°F Jul (19°C)
| Annual Average | 42.2°F |
| 22% below US avg | |
| January Average | 17°F (-9°C) |
| July Average | 66°F (19°C) |
Geography
| Elevation | 1,417 ft (432 m) |
| Area | 107.5 sq mi (278.4 km²) |
| Population Density | 88/sq mi |
| Coordinates | 44.0169°N, 80.0667°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
11 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 | 92 km | 13 km |
| May 24, 2000 | 4 km ENE of Centennial Scarborough, Canada | M3.1 | 81 km | 18 km |
| May 8, 2018 | 14 km SSE of Ajax, Canada | M3.0 | 95 km | 5 km |
| Aug 4, 2004 | 30 km SSW of Cobourg, Canada | M3.0 | 150 km | 5 km |
| Mar 28, 2005 | 16 km NW of Virgil, Canada | M2.8 | 100 km | 7 km |
| Dec 21, 2009 | 10 km NNE of Olcott, New York | M2.7 | 131 km | 8 km |
| Sep 20, 2009 | 20 km ESE of Oakville, Canada | M2.6 | 86 km | 4 km |
| Jul 11, 2017 | 11 km NNW of Barker, New York | M2.5 | 135 km | 5 km |
| Jul 29, 2012 | 17 km SSW of Parry Sound, Canada | M2.5 | 131 km | 5 km |
| May 17, 2010 | 19 km WNW of Gravenhurst, Canada | M2.5 | 117 km | 5 km |
| Feb 13, 2014 | 34 km N of Lyndonville, New York | M2.5 | 140 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 2.7 m (9 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1855 | OWEN SOUND, LAKE HURON | Unknown | 2.7 m | - | 132 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 17°F (-9°C) | 2.5 in | Coldest |
| February | 17°F (-8°C) | 2.2 in | Driest |
| March | 26°F (-3°C) | 2.2 in | |
| April | 39°F (4°C) | 2.7 in | |
| May | 52°F (11°C) | 3.4 in | |
| June | 61°F (16°C) | 3.4 in | |
| July | 66°F (19°C) | 3.1 in | Warmest |
| August | 65°F (18°C) | 3.5 in | Wettest |
| September | 58°F (14°C) | 3.5 in | |
| October | 47°F (8°C) | 3.0 in | |
| November | 35°F (2°C) | 3.4 in | |
| December | 24°F (-5°C) | 2.5 in |
Mono has a seasonal temperature swing of 50°F / from 17°F in January to 66°F in July. Total annual precipitation is 35.4 inches, with August being the wettest month (3.5") and February the driest (2.2").