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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. The area gets 276 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 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) |
| Sunny Days | 276 days/yr |
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").