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Weather & Climate in Bluewater, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Bluewater experiences four distinct seasons with an average annual temperature of 49°F (10°C). Winters average 31°F in January while summers reach 69°F in July. The area gets 234 sunny days per year, above the national average. Annual precipitation totals 46.1 inches (wetter than the 38-inch national average). The area receives 52.4 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 820 feet.
Temperature
31°F Jan (-0°C)
69°F Jul (21°C)
| Annual Average | 49.1°F |
| 9% below US avg | |
| January Average | 31°F (-0°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 234 days/yr |
Geography
| Elevation | 820 ft (250 m) |
| Area | 160.9 sq mi (416.7 km²) |
| Population Density | 47/sq mi |
| Coordinates | 43.4668°N, 81.5998°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M2.5.
| May 23, 2022 | 2 km NNW of Corunna, Canada | M2.5 | 93 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
2 tsunamis recorded within 500 km. Highest wave on record: 2.7 m (9 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1823 | LAKE ERIE | Unknown | 2.7 m | - | 140 km |
| 1952 | LAKE HURON, MI | Avalanche | 1.5 m | - | 77 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-0°C) | 3.2 in | |
| February | 21°F (-6°C) | 2.6 in | Coldest |
| March | 31°F (-1°C) | 2.5 in | Driest |
| April | 42°F (6°C) | 3.0 in | |
| May | 54°F (12°C) | 3.2 in | |
| June | 64°F (18°C) | 2.9 in | |
| July | 69°F (21°C) | 3.2 in | Warmest |
| August | 67°F (20°C) | 3.4 in | |
| September | 61°F (16°C) | 4.4 in | Wettest |
| October | 50°F (10°C) | 3.5 in | |
| November | 39°F (4°C) | 3.9 in | |
| December | 28°F (-2°C) | 3.8 in |
Bluewater has a seasonal temperature swing of 48°F / from 21°F in February to 69°F in July. Total annual precipitation is 39.7 inches, with September being the wettest month (4.4") and March the driest (2.5").