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Weather & Climate in Thunder Bay, Unorganized, ON
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Thunder Bay, Unorganized has a cool climate with an average annual temperature of 30°F (-1°C). Winters average -6°F in January while summers reach 61°F in July / a wide seasonal temperature swing of 67°F. The area gets 284 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 28.6 inches (drier than the 38-inch national average). The area receives 9.4 inches of snow annually. The city sits at an elevation of 696 feet.
Temperature
-6°F Jan (-21°C)
61°F Jul (16°C)
| Annual Average | 30.0°F |
| 44% below US avg | |
| January Average | -6°F (-21°C) |
| July Average | 61°F (16°C) |
| Sunny Days | 284 days/yr |
Geography
| Elevation | 696 ft (212 m) |
| Area | 37,164.6 sq mi (96,256.3 km²) |
| Population Density | 0/sq mi |
| Coordinates | 51.4983°N, 86.6341°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | -6°F (-21°C) | 1.5 in | Coldest |
| February | -1°F (-18°C) | 1.1 in | Driest |
| March | 12°F (-11°C) | 1.2 in | |
| April | 30°F (-1°C) | 1.7 in | |
| May | 44°F (7°C) | 2.6 in | |
| June | 55°F (13°C) | 3.5 in | |
| July | 61°F (16°C) | 3.7 in | Warmest, Wettest |
| August | 59°F (15°C) | 3.5 in | |
| September | 49°F (9°C) | 3.5 in | |
| October | 37°F (3°C) | 2.5 in | |
| November | 20°F (-7°C) | 2.4 in | |
| December | 2°F (-17°C) | 1.5 in |
Thunder Bay, Unorganized has a seasonal temperature swing of 67°F / from -6°F in January to 61°F in July. Total annual precipitation is 28.6 inches, with July being the wettest month (3.7") and February the driest (1.1").