Weather & Climate in Killarney, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Killarney has a cool climate with an average annual temperature of 42°F (6°C). Winters average 18°F in January while summers reach 65°F in July. Annual precipitation totals 33.3 inches. The area receives 9.7 inches of snow annually. The city sits at an elevation of 604 feet.
Temperature
18°F Jan (-8°C)
65°F Jul (18°C)
| Annual Average | 42.1°F |
| 22% below US avg | |
| January Average | 18°F (-8°C) |
| July Average | 65°F (18°C) |
Geography
| Elevation | 604 ft (184 m) |
| Area | 567.3 sq mi (1,469.4 km²) |
| Population Density | 1/sq mi |
| Coordinates | 45.9726°N, 81.5109°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
7 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.9.
| Mar 9, 1998 | Ontario, Canada | M3.9 | 67 km | 1 km |
| Aug 5, 2014 | 6 km NNW of Lively, Canada | M3.8 | 62 km | 5 km |
| Mar 13, 2005 | 5 km N of Greater Sudbury, Canada | M3.6 | 75 km | 18 km |
| May 25, 1998 | 3 km NW of Lively, Canada | M3.4 | 60 km | 1 km |
| Aug 5, 2014 | 5 km NNW of Lively, Canada | M3.3 | 61 km | 12 km |
| Feb 8, 2019 | 7 km SW of Azilda, Canada | M3.1 | 65 km | 2 km |
| Jul 29, 2012 | 17 km SSW of Parry Sound, Canada | M2.5 | 141 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 | - | 115 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 18°F (-8°C) | 2.7 in | Coldest |
| February | 18°F (-8°C) | 1.9 in | Driest |
| March | 26°F (-3°C) | 2.0 in | |
| April | 38°F (3°C) | 2.2 in | |
| May | 49°F (10°C) | 3.0 in | |
| June | 59°F (15°C) | 2.6 in | |
| July | 65°F (18°C) | 2.4 in | Warmest |
| August | 65°F (18°C) | 2.8 in | |
| September | 58°F (14°C) | 3.6 in | Wettest |
| October | 47°F (9°C) | 3.5 in | |
| November | 37°F (3°C) | 3.5 in | |
| December | 25°F (-4°C) | 3.0 in |
Killarney has a seasonal temperature swing of 47°F / from 18°F in January to 65°F in July. Total annual precipitation is 33.3 inches, with September being the wettest month (3.6") and February the driest (1.9").