Weather & Climate in Arran-Elderslie, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Arran-Elderslie has a cool climate with an average annual temperature of 44°F (6°C). Winters average 19°F in January while summers reach 67°F in July. Annual precipitation totals 42.3 inches. The area receives 14.1 inches of snow annually. The city sits at an elevation of 817 feet.
Temperature
19°F Jan (-7°C)
67°F Jul (19°C)
| Annual Average | 43.6°F |
| 19% below US avg | |
| January Average | 19°F (-7°C) |
| July Average | 67°F (19°C) |
Geography
| Elevation | 817 ft (249 m) |
| Area | 177.1 sq mi (458.8 km²) |
| Population Density | 39/sq mi |
| Coordinates | 44.4014°N, 81.1248°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
2 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M2.5.
| Jul 29, 2012 | 17 km SSW of Parry Sound, Canada | M2.5 | 120 km | 5 km |
| May 17, 2010 | 19 km WNW of Gravenhurst, Canada | 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 | - | 67 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 19°F (-7°C) | 4.1 in | Coldest |
| February | 19°F (-7°C) | 2.9 in | |
| March | 28°F (-2°C) | 2.7 in | Driest |
| April | 41°F (5°C) | 2.8 in | |
| May | 53°F (11°C) | 3.3 in | |
| June | 62°F (17°C) | 3.0 in | |
| July | 67°F (19°C) | 3.0 in | Warmest |
| August | 66°F (19°C) | 3.6 in | |
| September | 59°F (15°C) | 4.4 in | Wettest |
| October | 48°F (9°C) | 3.8 in | |
| November | 37°F (3°C) | 4.2 in | |
| December | 26°F (-4°C) | 4.4 in |
Arran-Elderslie has a seasonal temperature swing of 48°F / from 19°F in January to 67°F in July. Total annual precipitation is 42.3 inches, with September being the wettest month (4.4") and March the driest (2.7").