Weather & Climate in The Archipelago, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
The Archipelago has a cool climate with an average annual temperature of 45°F (7°C). Winters average 24°F in January while summers reach 66°F in July. Annual precipitation totals 41.9 inches. The area receives 14.6 inches of snow annually. The city sits at an elevation of 571 feet.
Temperature
24°F Jan (-4°C)
66°F Jul (19°C)
| Annual Average | 45.0°F |
| 17% below US avg | |
| January Average | 24°F (-4°C) |
| July Average | 66°F (19°C) |
Geography
| Elevation | 571 ft (174 m) |
| Area | 228.6 sq mi (592.2 km²) |
| Population Density | 4/sq mi |
| Coordinates | 45.1517°N, 80.2666°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 | 15 km | 5 km |
| May 17, 2010 | 19 km WNW of Gravenhurst, Canada | M2.5 | 57 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 | - | 60 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 24°F (-4°C) | 4.2 in | |
| February | 24°F (-5°C) | 3.0 in | Coldest |
| March | 28°F (-2°C) | 2.8 in | |
| April | 39°F (4°C) | 2.8 in | |
| May | 49°F (9°C) | 3.4 in | |
| June | 59°F (15°C) | 2.8 in | |
| July | 66°F (19°C) | 2.6 in | Driest |
| August | 67°F (19°C) | 3.1 in | Warmest |
| September | 60°F (16°C) | 4.1 in | |
| October | 51°F (11°C) | 4.3 in | |
| November | 42°F (6°C) | 4.3 in | |
| December | 31°F (-0°C) | 4.7 in | Wettest |
The Archipelago has a seasonal temperature swing of 43°F / from 24°F in February to 67°F in August. Total annual precipitation is 41.9 inches, with December being the wettest month (4.7") and July the driest (2.6").