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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. The area gets 259 sunny days per year, above the national average. 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) |
| Sunny Days | 259 days/yr |
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").